Q345B property

q345b mechanical properties,q345b mechanical properties

Related Searches for q345b mechanical properties house properties bed fluid mechanics lab equipment q345 steel pipe mechanical properties intellectual property private property signs private property no trespassing sign tube steel section properties mechanical properties of st37 steel astm a106 grade b properties photo property chemical What is the ASTM equivalent of Q345B? - AnswersThe ASTM equivalent of Q345B is A572 gr.50.This is a steel plate that is used in the construction of large structures like bridges.What is material Q345B equivalent ASTM steel Mechenical Property Comparision of Q345/Q235/S355 Steel Grade Tensile strength Yield strength Elongation afrer fracture; S355 450-630Mpa 355MPa 21-22% S500MC 550-700Mpa 500MPa 12% Q345B 490-675Mpa 345Mpa 21% Q235B 375-500Mpa 235Mpa 26% Chemical Composition Comparision of Q345/Q235/S355 Steel Grade C Si Mn P S

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextQ345b steel polishing method,Q345B steel

Mechnical property for Q345B low alloy structural steel 1,Yield Strength.A yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed,Yield Related searches for Q345B propertyq345b pdfq345b plateq345b steel specificationq345b datasheetq345b equivalent astmgb t8162 q345b pipeSome results are removed in response to a notice of local law requirement.For more information,please see here.Related searches for Q345B propertyq345b pdfq345b plateq345b steel specificationq345b datasheetq345b equivalent astmgb t8162 q345b pipe12345NextProperties of Q345B Steel for Plate Material SciencingApr 24,2017 Q345B property#0183;Q345B steel is a Chinese standardized low alloy,medium tensile strength steel made with a hot-rolling process,and is used for a number of manufacturing purposes.It is a steel with less than 0.2 percent of its composition made up of carbon,less than 0.55

Q355 Steel,Q355B Q355C Q355D Properties,Composition

Q355 Steel (Q355B Q355C Q355D) Q355 steel is a Chinese low alloy high strength structural steel,which replaced Q345,the material density is 7.85 g/cm3.According to GB/T 1591 -2018,Q355 has 3 quality levels Q355B,Q355C and Q355D..Q is the first letter of Chinese Pinyin qu fu dian,which means Yield Strength,355 is the minimum value of yield strength 355 MPa for steel Q345D,Q345D PLATE,Q345D STEELGB/T1591 Q345D steel shall be done charpy V-notch impacting test under minus 20 centigrade.Many container manufacturers adpots these high tension strength to make offshore containers which can be used in deep oceans.Q345D,Q345D PLATE,Q345D STEELGB/T1591 Q345D steel shall be done charpy V-notch impacting test under minus 20 centigrade.Many container manufacturers adpots these high tension strength to make offshore containers which can be used in deep oceans.

Q345D (GB ) - Worldwide equivalent grades

European equivalent grade for Non-alloy quality structural steel Q345D (GB ) S355J2 (1.0577) Cross reference table for Steel Q345D (GB ) and its European equivalent S355N (1.0545) ( EN )Q345D (GB ) - Worldwide equivalent gradesEuropean equivalent grade for Non-alloy quality structural steel Q345D (GB ) S355J2 (1.0577) Cross reference table for Steel Q345D (GB ) and its European equivalent S355N (1.0545) ( EN )Q345B,Q345B PLATE,Q345B STEELSteel grade Q345B is the most common used as high strength low alloy structural steel in industry area.Xinsteel can offer steel coils,steel plates,angles,channels for Q345B materials.The equivalent steel grade with Q345B are EN 10025-2 S355JR,ASTM A572/A572 A572 Grade 50 and DIN 17100 St52-3.

Q345B GB : Total Materia

Q345B,GB,GB/T 1591,High strength low alloy structural steels,GB/T 3639,Seamless cold-drawn or cold-rolled steel tubes for precision applications,GB/T 8162,Seamless steel tubes for structural purposes,GB/T 8163,Seamless steel tubes for liquid service,GB/T 3091,Welded steel pipes for low pressure liquid delivery,GB/T 3094,Cold drawn shaped steel tubes,GB 6479,Seamless steel tubes Q345 steel property and specification are equivalent to A yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed.Yield strength of Q345B is 345 Mega Pascals.Q345 datasheet,Q345 property,Q345 standard specification Haihong International Trade (HK) CO.,Limited.Stainless Steel,Special Steel,Compressor Blading,Turbine Blading,Superalloy Supplier.Q345 can be supplied as steel plate/ sheet,round steel bar,steel tube/pipe,steel stripe,steel billet,steel ingot,steel wire rods.electroslag,forged ring/ block,etc.TEL:+86-816-3646575 FAX +86-816-3639422

Q345 Steel Specification and Equivalent Standard

Q345 steel specification Q345 steel belongs to 16Mn steel grade,usually it is produced in hot rolled state,hot rolled steel plate,hot rolled steel coil/sheet,it has comprehensive mechanical and welding property,as it shows good performance in structural purposes,it is widely used as welding structural part in manufacturing of ship,railway and vehicles,bridges,boiler,pressure vessel Q235B Included in 3 standards (China)Q235B Included in 3 standards (China) Chemical composition C Q345B propertylt; 0.22 Si Q345B propertylt; 0.35 Mn Q345B propertylt; 1.4 P Q345B propertylt; 0.045 S Q345B propertylt; 0.045 Cr Q345B propertylt; 0.3 Ni Q345B propertylt; 0.3 Cu Q345B propertylt; 0.3 N Q345B propertylt; 0.008 As Q345B propertylt; 0.08 Fe Rest It's allowed to exceed N content up to 0.014% in finished products.On exceeding N for every 0.001% max P content reduces by 0.005%.Properties of Q345B Steel for Plate Material SciencingApr 24,2017 Q345B property#0183;Q345B steel is a Chinese standardized low alloy,medium tensile strength steel made with a hot-rolling process,and is used for a number of manufacturing purposes.

New China Standard-Q345B Changed to Q355B

As we all know,China's steel production is the largest variety of rebar,followed by steel plate and sheet,and the largest percent of steel grade produced in the plate is Q235B,followed by Q345B.The biggest impact of the new GB/T 1591-2018 release is Q345B,because the output of other grades has little effect.According to what we said Mechanical Properties of Chinese Low Alloy Steel Q345BA yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed,Yield strength of Q345B is 345 MegaPascals.Mechanical Properties of Butt Weldments Made with Q345B Sep 09,2019 Q345B property#0183;The current design standards provide strict recommendations to ensure the quality of welds.This study investigates the mechanical properties of welds subjected to elevated temperatures by performing a steady-state tensile test on butt weldments composed of Q345B

Is steel plate Q345B property equivalent to A572 50? -

Q345B is black carbon steel.The specification of a Q345B steel sheet depends on what you want and ranges from 6 to 120mm thick,1600 to 3200mm wide and 6000 to 12000mm long.GB/T1591 Q355B Steel Plate supplier - Stainless Profile Q345B property#0183;GB/T1591 Q355B Steel Plate supplier .Qfsteels are specialized in exporting GB/T1591 Q355B Low alloy and high strength steel plate.GB/T1591 Q355B Steel Plate heavy plate and wide,heavy plate Which is a large steel plate supplier mill at Qfsteels Group.GB/T1591 Q345B carbon and low alloy steel - BEBON steelGB/T1591 Q345B carbon and low alloy steel BBN steel offer GB/T1591 Q345B carbon and low alloy steel in China,Q345B is low alloy structural steel with good mechanical properties,low temperature performance,plasticity and good weldability,it is mostly used in low pressure vessel,oil tank,vehicles,cranes,mining machinery,power stations,mechanical parts,building structure,general metal

GB/T1591 Q345B Low Alloy High Strength Steel Plate,Coils

Q345B steel plate,steel coil,angle steel,round bar is offered by the china united iron and steel limited.They are the leading manufacturer of the high-grade industrial equipment.They are offering products in a wide range of standards,specifications,sizes,and dimensions.GB/T 8162 Q345B steel pipe,GB/T 8162 Q345B steel pipe GB/T 8162 Q345B steel pipe.GB/T8162 Q345B Steel pipe is the low carbon alloy steel (c Q345B propertylt;0.2%),good comprehensive performance,low temperature performance,cold stamping performance,welding performance and good cutting performance.GB-T1591 Q345B Carbon steel plate__Steel SupplierTags Q345B,GB-T1591 Q345B,Q345B Steel Plate,Q345B steel factory,Q345B adopt standard,Q345B Heat treatment,Q345B Technical delivery condition,Q345B Chemical,Q345B Mechanical property,Q345B Price,Q345B CEV,Q345B Impact degree,Q345B impact energy

Equivalent steel grades bs en S355JR VS Q355B

Equivalent steel grades bs en S355JR VS Q355B.Q355B is a new steel grade in latest version chinese steel standard GB/T1591-2018,before this version,Q355B steel called as Q345B in GB/T1591.S355JR steels from European British steel standard BS EN10025-2 low alloy high strength steels.These two steel materials Q355B and S355JR are totally equivalent in chemical composition and mechincal China WKZ 577 Q345B / Q345B Datasheet,chemical Q345B / Q345B.China WKZ 577 Q345B TiMn and Mechanical Properties,Chemical Element,Cross Reference.China 45 Steel Equivalent,Mechanical Properties China 45 Steel.Chinese GB standard 45 steel is a quality carbon structural steel,the cold plasticity is common.Annealing and normalizing are slightly better than quenching and tempering,and have high strength and good machinability.

ASTM A572 Grade 50 - A572 Grade 42,50,60,65 Steel

Material Properties The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.Grade Yield Point (ksi) Tensile Strength (ksi) Min.8 Elongation % 42 42 60 20 50 50 65 18 55 55 70 17 60 60 75 16 65 65 80 15 Chemical Composition The following composition properties are ASTM specifications for the A572 grades.Grade 42 + Grade 42 Carbon max 0.21% ASTM A572 Gr 50 vs Q345BMay 07,2013 Q345B property#0183;Hello everybody The Technical Specifications for metal works (gates,trash racks,etc.) of a hydro project indicate,particularly,for the gates to use steel ASTM A572 Gr 50 or its equivalent S355JR according to EN 10025.The Contractor is trying to change that material to steel Q345B (chinese material and code).At the same time,this Contractor says that they,in China,have developed A yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed.Yield strength of Q345B is 345 Mega Pascals.Q345 steel property and specification are equivalent to Was this helpful?People also askWhat is q345b steel?What is q345b steel?Q345B steel is a Chinese standardized low alloy,medium tensile strength steel made with a hot-rolling process,and is used for a number of manufacturing purposes.Mechanical Properties of Chinese Low Alloy Steel Q345B

results for this questionWhat is the latest version of Q345 steel?What is the latest version of Q345 steel?Notes Q345 steel has been replaced by Q355 in the latest version of GB standard GB/T 1591 2018,the previous version is GB/T 1591 2008.Q345 Steel,Q345A Q345B Q345C Q345D Q345E Equivalent results for this questionWhat is q355 steel?What is q355 steel?Q355 steel is a Chinese low alloy high strength structural steel,which replaced Q345,the material density is 7.85 g/cm3.According to GB/T 1591 -2018,Q355 has 3 quality levels Q355B,Q355C and Q355D.Q355 Steel,Q355B Q355C Q355D Properties,Composition results for this questionWhat is Q345 made of?What is Q345 made of?The Q345 is a steel with less than 0.2 percent of its composition made up of carbon,less than 0.55 percent of its composition made of silicon and several impurities.Q345 steel property and specification are equivalent to

results for this questionFeedbackQ345 Steel,Q345A Q345B Q345C Q345D Q345E Equivalent

Dec 08,2019 Q345B property#0183;Q345 Steel Properties Q345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel,material density is 7.85 g/cm3,tensile strength is 470-630 Mpa,and yield strength is 345 MPa,it has better properties than Q235.According to GB/T 1591 2008,Q345 material has 5 quality grades Q345A,Q345B,Q345C,Q345D and Q345E.

q345b mechanical properties,q345b mechanical properties

Related Searches for q345b mechanical properties house properties bed fluid mechanics lab equipment q345 steel pipe mechanical properties intellectual property private property signs private property no trespassing sign tube steel section properties mechanical properties of st37 steel astm a106 grade b properties photo property chemical What is the ASTM equivalent of Q345B? - AnswersThe ASTM equivalent of Q345B is A572 gr.50.This is a steel plate that is used in the construction of large structures like bridges.What is material Q345B equivalent ASTM steel Mechenical Property Comparision of Q345/Q235/S355 Steel Grade Tensile strength Yield strength Elongation afrer fracture; S355 450-630Mpa 355MPa 21-22% S500MC 550-700Mpa 500MPa 12% Q345B 490-675Mpa 345Mpa 21% Q235B 375-500Mpa 235Mpa 26% Chemical Composition Comparision of Q345/Q235/S355 Steel Grade C Si Mn P S

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextQ345b steel polishing method,Q345B steel

Mechnical property for Q345B low alloy structural steel 1,Yield Strength.A yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed,Yield Related searches for Q345B propertyq345b pdfq345b plateq345b steel specificationq345b datasheetq345b equivalent astmgb t8162 q345b pipeSome results are removed in response to a notice of local law requirement.For more information,please see here.Related searches for Q345B propertyq345b pdfq345b plateq345b steel specificationq345b datasheetq345b equivalent astmgb t8162 q345b pipe12345NextProperties of Q345B Steel for Plate Material SciencingApr 24,2017 Q345B property#0183;Q345B steel is a Chinese standardized low alloy,medium tensile strength steel made with a hot-rolling process,and is used for a number of manufacturing purposes.It is a steel with less than 0.2 percent of its composition made up of carbon,less than 0.55

Q355 Steel,Q355B Q355C Q355D Properties,Composition

Q355 Steel (Q355B Q355C Q355D) Q355 steel is a Chinese low alloy high strength structural steel,which replaced Q345,the material density is 7.85 g/cm3.According to GB/T 1591 -2018,Q355 has 3 quality levels Q355B,Q355C and Q355D..Q is the first letter of Chinese Pinyin qu fu dian,which means Yield Strength,355 is the minimum value of yield strength 355 MPa for steel Q345D,Q345D PLATE,Q345D STEELGB/T1591 Q345D steel shall be done charpy V-notch impacting test under minus 20 centigrade.Many container manufacturers adpots these high tension strength to make offshore containers which can be used in deep oceans.Q345D,Q345D PLATE,Q345D STEELGB/T1591 Q345D steel shall be done charpy V-notch impacting test under minus 20 centigrade.Many container manufacturers adpots these high tension strength to make offshore containers which can be used in deep oceans.

Q345D (GB ) - Worldwide equivalent grades

European equivalent grade for Non-alloy quality structural steel Q345D (GB ) S355J2 (1.0577) Cross reference table for Steel Q345D (GB ) and its European equivalent S355N (1.0545) ( EN )Q345D (GB ) - Worldwide equivalent gradesEuropean equivalent grade for Non-alloy quality structural steel Q345D (GB ) S355J2 (1.0577) Cross reference table for Steel Q345D (GB ) and its European equivalent S355N (1.0545) ( EN )Q345B,Q345B PLATE,Q345B STEELSteel grade Q345B is the most common used as high strength low alloy structural steel in industry area.Xinsteel can offer steel coils,steel plates,angles,channels for Q345B materials.The equivalent steel grade with Q345B are EN 10025-2 S355JR,ASTM A572/A572 A572 Grade 50 and DIN 17100 St52-3.

Q345B GB : Total Materia

Q345B,GB,GB/T 1591,High strength low alloy structural steels,GB/T 3639,Seamless cold-drawn or cold-rolled steel tubes for precision applications,GB/T 8162,Seamless steel tubes for structural purposes,GB/T 8163,Seamless steel tubes for liquid service,GB/T 3091,Welded steel pipes for low pressure liquid delivery,GB/T 3094,Cold drawn shaped steel tubes,GB 6479,Seamless steel tubes Q345 steel property and specification are equivalent to A yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed.Yield strength of Q345B is 345 Mega Pascals.Q345 datasheet,Q345 property,Q345 standard specification Haihong International Trade (HK) CO.,Limited.Stainless Steel,Special Steel,Compressor Blading,Turbine Blading,Superalloy Supplier.Q345 can be supplied as steel plate/ sheet,round steel bar,steel tube/pipe,steel stripe,steel billet,steel ingot,steel wire rods.electroslag,forged ring/ block,etc.TEL:+86-816-3646575 FAX +86-816-3639422

Q345 Steel Specification and Equivalent Standard

Q345 steel specification Q345 steel belongs to 16Mn steel grade,usually it is produced in hot rolled state,hot rolled steel plate,hot rolled steel coil/sheet,it has comprehensive mechanical and welding property,as it shows good performance in structural purposes,it is widely used as welding structural part in manufacturing of ship,railway and vehicles,bridges,boiler,pressure vessel Q235B Included in 3 standards (China)Q235B Included in 3 standards (China) Chemical composition C Q345B propertylt; 0.22 Si Q345B propertylt; 0.35 Mn Q345B propertylt; 1.4 P Q345B propertylt; 0.045 S Q345B propertylt; 0.045 Cr Q345B propertylt; 0.3 Ni Q345B propertylt; 0.3 Cu Q345B propertylt; 0.3 N Q345B propertylt; 0.008 As Q345B propertylt; 0.08 Fe Rest It's allowed to exceed N content up to 0.014% in finished products.On exceeding N for every 0.001% max P content reduces by 0.005%.Properties of Q345B Steel for Plate Material SciencingApr 24,2017 Q345B property#0183;Q345B steel is a Chinese standardized low alloy,medium tensile strength steel made with a hot-rolling process,and is used for a number of manufacturing purposes.

New China Standard-Q345B Changed to Q355B

As we all know,China's steel production is the largest variety of rebar,followed by steel plate and sheet,and the largest percent of steel grade produced in the plate is Q235B,followed by Q345B.The biggest impact of the new GB/T 1591-2018 release is Q345B,because the output of other grades has little effect.According to what we said Mechanical Properties of Chinese Low Alloy Steel Q345BA yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed,Yield strength of Q345B is 345 MegaPascals.Mechanical Properties of Butt Weldments Made with Q345B Sep 09,2019 Q345B property#0183;The current design standards provide strict recommendations to ensure the quality of welds.This study investigates the mechanical properties of welds subjected to elevated temperatures by performing a steady-state tensile test on butt weldments composed of Q345B

Is steel plate Q345B property equivalent to A572 50? -

Q345B is black carbon steel.The specification of a Q345B steel sheet depends on what you want and ranges from 6 to 120mm thick,1600 to 3200mm wide and 6000 to 12000mm long.GB/T1591 Q355B Steel Plate supplier - Stainless Profile Q345B property#0183;GB/T1591 Q355B Steel Plate supplier .Qfsteels are specialized in exporting GB/T1591 Q355B Low alloy and high strength steel plate.GB/T1591 Q355B Steel Plate heavy plate and wide,heavy plate Which is a large steel plate supplier mill at Qfsteels Group.GB/T1591 Q345B carbon and low alloy steel - BEBON steelGB/T1591 Q345B carbon and low alloy steel BBN steel offer GB/T1591 Q345B carbon and low alloy steel in China,Q345B is low alloy structural steel with good mechanical properties,low temperature performance,plasticity and good weldability,it is mostly used in low pressure vessel,oil tank,vehicles,cranes,mining machinery,power stations,mechanical parts,building structure,general metal

GB/T1591 Q345B Low Alloy High Strength Steel Plate,Coils

Q345B steel plate,steel coil,angle steel,round bar is offered by the china united iron and steel limited.They are the leading manufacturer of the high-grade industrial equipment.They are offering products in a wide range of standards,specifications,sizes,and dimensions.GB/T 8162 Q345B steel pipe,GB/T 8162 Q345B steel pipe GB/T 8162 Q345B steel pipe.GB/T8162 Q345B Steel pipe is the low carbon alloy steel (c Q345B propertylt;0.2%),good comprehensive performance,low temperature performance,cold stamping performance,welding performance and good cutting performance.GB-T1591 Q345B Carbon steel plate__Steel SupplierTags Q345B,GB-T1591 Q345B,Q345B Steel Plate,Q345B steel factory,Q345B adopt standard,Q345B Heat treatment,Q345B Technical delivery condition,Q345B Chemical,Q345B Mechanical property,Q345B Price,Q345B CEV,Q345B Impact degree,Q345B impact energy

Equivalent steel grades bs en S355JR VS Q355B

Equivalent steel grades bs en S355JR VS Q355B.Q355B is a new steel grade in latest version chinese steel standard GB/T1591-2018,before this version,Q355B steel called as Q345B in GB/T1591.S355JR steels from European British steel standard BS EN10025-2 low alloy high strength steels.These two steel materials Q355B and S355JR are totally equivalent in chemical composition and mechincal China WKZ 577 Q345B / Q345B Datasheet,chemical Q345B / Q345B.China WKZ 577 Q345B TiMn and Mechanical Properties,Chemical Element,Cross Reference.China 45 Steel Equivalent,Mechanical Properties China 45 Steel.Chinese GB standard 45 steel is a quality carbon structural steel,the cold plasticity is common.Annealing and normalizing are slightly better than quenching and tempering,and have high strength and good machinability.

ASTM A572 Grade 50 - A572 Grade 42,50,60,65 Steel

Material Properties The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.Grade Yield Point (ksi) Tensile Strength (ksi) Min.8 Elongation % 42 42 60 20 50 50 65 18 55 55 70 17 60 60 75 16 65 65 80 15 Chemical Composition The following composition properties are ASTM specifications for the A572 grades.Grade 42 + Grade 42 Carbon max 0.21% ASTM A572 Gr 50 vs Q345BMay 07,2013 Q345B property#0183;Hello everybody The Technical Specifications for metal works (gates,trash racks,etc.) of a hydro project indicate,particularly,for the gates to use steel ASTM A572 Gr 50 or its equivalent S355JR according to EN 10025.The Contractor is trying to change that material to steel Q345B (chinese material and code).At the same time,this Contractor says that they,in China,have developed A yield strength or yield point is the material property defined as the stress at which a material begins to deform plastically.Prior to the yield point the material will deform elastically and will return to its original shape when the applied stress is removed.Yield strength of Q345B is 345 Mega Pascals.Q345 steel property and specification are equivalent to Was this helpful?People also askWhat is q345b steel?What is q345b steel?Q345B steel is a Chinese standardized low alloy,medium tensile strength steel made with a hot-rolling process,and is used for a number of manufacturing purposes.Mechanical Properties of Chinese Low Alloy Steel Q345B

results for this questionWhat is the latest version of Q345 steel?What is the latest version of Q345 steel?Notes Q345 steel has been replaced by Q355 in the latest version of GB standard GB/T 1591 2018,the previous version is GB/T 1591 2008.Q345 Steel,Q345A Q345B Q345C Q345D Q345E Equivalent results for this questionWhat is q355 steel?What is q355 steel?Q355 steel is a Chinese low alloy high strength structural steel,which replaced Q345,the material density is 7.85 g/cm3.According to GB/T 1591 -2018,Q355 has 3 quality levels Q355B,Q355C and Q355D.Q355 Steel,Q355B Q355C Q355D Properties,Composition results for this questionWhat is Q345 made of?What is Q345 made of?The Q345 is a steel with less than 0.2 percent of its composition made up of carbon,less than 0.55 percent of its composition made of silicon and several impurities.Q345 steel property and specification are equivalent to

results for this questionFeedbackQ345 Steel,Q345A Q345B Q345C Q345D Q345E Equivalent

Dec 08,2019 Q345B property#0183;Q345 Steel Properties Q345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel,material density is 7.85 g/cm3,tensile strength is 470-630 Mpa,and yield strength is 345 MPa,it has better properties than Q235.According to GB/T 1591 2008,Q345 material has 5 quality grades Q345A,Q345B,Q345C,Q345D and Q345E.

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