s 235 jr what meaning of jr

what materials of S235JR?

S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel paltes,namely carbon structural steels withs235jr jr meaning China Buy A36 Steel Plate Online,Weather For S235 steel ,S means structural .235 mean it's yield strength should be more than 235 MPa.The steel grades S235 may be supplied in qualities JR,JR(G2),J0,J2,J2G3,J2G4.JR means impact testWhat is the difference between J2 and JR? Can they be used J2 and JR refer to the materials sub-grade its fracture toughness which is measured in joules of a materials toughness at a particular temperature.J2 is a material with a minimum of 27 joules at -20C while JR is a material with a minimum of 27 Joules at +20C (room temperature)..A JR material is normally used in an internal environment whereas a J2 is for external use.

What is the difference between J2 and JR? Can they be used

J2 and JR refer to the materials sub-grade its fracture toughness which is measured in joules of a materials toughness at a particular temperature.J2 is a material with a minimum of 27 joules at -20C while JR is a material with a minimum of 27 Joules at +20C (room temperature)..A JR material is normally used in an internal environment whereas a J2 is for external use.What is the ASTM equilent to ST37?Mar 27,2009 s 235 jr what meaning of jr#0183;'S 235 JRG2' (according EN 10025) has limited,i.e.maximum C-contents of 0.17 wt% (except t s 235 jr what meaning of jrgt; 40 mm having a max.C content of 0.20 wt%) and Phosphorus and Sulfur contents of 0.035 wt% each.In particular the C-content was the reason for me to set ASTM A 283 M as the 'equivalent' for an 'St 37' or even 'S 235 JR'.Structural steel grade designations according to ENJR KR 20 J0 K0 0 Z25 min.25%reduction of area J2 K2 -20 Z35 min.35 %reduction of area Physical characteristics - group 2 L for low temperatures M thermomechanical rolling N normalised rolling W weathering example EN 10025-4 S 355 ML .Explanation of the EN 10025 - 10027 specifications The latest European Standards incorporate numbers and

Structural Steels S235,S275,S355,S420 and Their Properties

It indicates the maximum load,in MPa,that does not end in plastic deformation.Stress above that value will deform the metal permanently.In S235 steels case,this value is 235 MPa.Anything below results in elastic deformation,meaning that your detail will regain its former shape after removing the load.Structural Steel Sub-Grades JR,J0 J2 Does It Matter?S275 JR 0 S355 JR 3 % S275 J0 3.5 % S355 J0 4 % S275 J2 4 % S355 J2 10 % In very general terms,JR steel material is most readily available from stock and mill.It is also the lowest priced sub-grade and so for maximum economy and availability,JR quality material should be used whenever possible.Higher quality materials,J0Structural Steel - S235,S275,S355 Chemical Composition May 11,2012 s 235 jr what meaning of jr#0183;In line with the European Standard classifications,structural steels must be referenced using standard symbols including but not limited to S,235,J2,K2,C,Z,W,JR,and JO,where S denotes the fact that it is structural steel; 235 which relates to the minimum yield strength of the steel (tested at a thickness of 16mm);

Structural Steel - S235,S275,S355 Chemical Composition

May 11,2012 s 235 jr what meaning of jr#0183;In line with the European Standard classifications,structural steels must be referenced using standard symbols including but not limited to S,235,J2,K2,C,Z,W,JR,and JO,where S denotes the fact that it is structural steel; 235 which relates to the minimum yield strength of the steel (tested at a thickness of 16mm);Structural Steel - EN10025 S275,S355JR and S355JOS355 structural grade (S) carries minimum yield strength of 355 N/mm s 235 jr what meaning of jr#178;m,the JR designation confirms that the steel has undergone longitudinal Chary V-Notch impact testing at 27J (Joules) at room temperature.Other Charpy designations include J0,J2 and K2.Steel Grades Specifications - RFL235 340/470 S235 40A S235JR This has resulted in the removal of this grade from the standard,and the lowest grade now offered is the JR version for each yield strength variation.EN 10025 2004 is the new European standard for structural steel.EN 10025

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456Nextwhat materials of S235JR?

S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel paltes,namely carbon structural steels withSome results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextSTRUCTURAL STEEEL S275 JR,JO,J2 - Metal and Metallurgy The steel S275 (S stands for structural) has a Minimum Yield Strength of 275 MPa (with a probe of 16 mm of thickness).In the steel S275JR,JR indicates that the material has been subject to a Longitudinal Charpy V-notch impacts 27 Joules at +20 s 235 jr what meaning of jr#176;C.

S335 J2 vs S355 J0 - Metal and Metallurgy engineering

May 16,2011 s 235 jr what meaning of jr#0183;Does it mean JO can be upgrade and acceptable if i can do longitudinal -20 degree impact test ? Another question is about the chemical compositions.for JO materials P,S values should be max 0,030 and N need to be 0,015 but for J2 P,S values are 0,025 and there isnt N ?S235JRH steel - Steel GradesTool Die Steels Inc.Stainless Steel,Special Steel,Compressor Blading,Turbine Blading,Superalloy Supplier.S235JRH Round Bar S235JRH Flat Bar S235JRH Hollow Bar S235JRH Tube / Pipe S235JRH Sheet / Plate S235JRH Strip / Coil S235JRH Wire S235JRH Forging S235JRH Tube /S235JRH / 1.0039 - SteelNumber - Chemical composition EN 10210-1 2006 Hot finished structural hollow sections of non-alloy and fine grain steels.Technical delivery requirements EN 10219-1 2006 Cold formed welded structural hollow sections of

S235JRG2 Material S235JRG2C+C Equivalent,Meaning

S235JRG2C+C,S235JRG2 Meaning S is short for Structural Steel; 235 refers to the minimum yield strength value (MPa) for the steel thickness 16mm; JR means the impact energy value 27 J at room temperature.G2 is a subdivided quality grade.C means the steel is suitable for cold drawing.S235JR+AR mechanical properties - Sidastico ENSIDASTICO Spa Via Astico,44 36030 Fara Vic.no (VI) ITALY Tel.+39 0445/869500 -+39 0445/1920895 Fax +39 0445/869569 -+39 0445/1920395 [email protected]S235JR steelMean coefficient of thermal expansion 10-6/( s 235 jr what meaning of jr#176;C) between 20( s 235 jr what meaning of jr#176;C) and Thermal conductivity (W/m s 235 jr what meaning of jr#176;C) Specific thermal capacity (J/kg s 235 jr what meaning of jr#176;C) Specific electrical resistivity ( mm s 235 jr what meaning of jr#178;/m) Density (kg/dm s 235 jr what meaning of jr#179;) Poissons coefficient,; 43-- 0.34- 638 469-44.3 141 - 712-21 24.2 433 123

S235JR Non-alloy quality structural steel

S in the letters of S235JR material grade represent structural designation,letters in material grade designation i.e.235 represents yield strength i.e.235 N/mm s 235 jr what meaning of jr#178; minimally,the JR additionally confirms that the steel has been applied to testing at 27 Joules with longitudinal Chary V-Notch impact testing at standard room temperature.S235JR EN 10025-2 (Euronorm)S235JR EN 10025-2 (Euronorm) Standards EN 10025-2 Hot rolled products of structural steels.- Part 2 Technical delivery conditions for non-alloy structural steelsS235JR / 1.0038(dubl) - SteelNumber - ChemicalGrade S235JR Number 1.0038(dubl) Classification Non-alloy quality structural steel ??? According EN 10250-2:2000 steel S235JRG2 also named 1.0038 ???

S235JR - Ovako

S235JR C max 0,20 % for sizes over 40 mm.Only CEV required in standard.SS 1312 Not binding recommendation for Mn (0,4 - 0,7) % in standardMen's Names and Titles - Emily Post InstituteThe son may either drop the suffix after his fathers death or,if he prefers,retain it so that he wont be confused with his late father.When a man is named after his father who is a Jr., he is called the third, once written with either the numeric 3rd or the Roman numeral III,but now the latter isMaterial S235JRmeaning(designation) S is short for structural steel; 235 refers to the minimum yield strength (MPa) for the steel thickness 16mm; JR indicates the quality grade related to charpy impact test energy value 27 J,at room temperature 20;EN 1.0038 Steel S235JR Material Equivalent,Properties Was this helpful?People also askWhat is 235 steel?What is 235 steel?235 refers to the minimum yield strength (MPa) for the steel thickness 16mm; JR indicates the quality grade related to charpy impact test energy value 27 J,at room temperature 20; C means the material is suitable for cold flanging,cold bending,cold forming or cold drawing,e.g.S235JRC (1.0122).EN 1.0038 Steel S235JR Material Equivalent,Properties,Composition

Junior High School Definition of Junior High School by

Nov 04,2020 s 235 jr what meaning of jr#0183;junior high [noun] a school usually including the seventh,eighth,and sometimes ninth grades.Give Us the Ballot, Address Delivered at the Prayer See also Kings comments on Adam Clayton Powell,Jr.s speech in his 16 July 1957 letter to Ramona Garrett,pp.235-236 in this volume.3.Kings handwritten draft contained several phrases he does not use in this address and closed with two verses from James Weldon Johnsons Lift Evry Voice and Sing, also known as the Negro EN10025 S235JR steel plate standard and specificationS235JR (+N) is a non-alloy structural steel.We have large quantities of S235JR in stock with thicknesses up to 200 mm.The minimum thickness is normally 5 mm.Plates are available up to 3.5m wide and 14m long.Most plates are certified to

EN 1.0122 Steel S235JRC+C,S235JR+AR,S235JR+N Material

Dec 14,2019 s 235 jr what meaning of jr#0183;Designation (Meaning Definition) S means structural steel; 235 refers to the minimum yield strength (MPa) for the steel thickness 16 mm; JR indicates the quality grade related to the impact test energy values ( 27 J,tested at room temperature 20 ) C means the steel is suitable for cold flanging,cold forming or cold drawing.+AR means the steel is delivered in the condition ofDifference Between S275JR and S75JR+AR in Steel - CR4 Jun 06,2014 s 235 jr what meaning of jr#0183;thanks steve for your interest and reply ,actually the reason of the question was that the steel supplier was trying to convince one of my colleagues that the S275JR+AR is better than S275JR mechanical properties wise ,some quick research proved what you rightly said above ,through various processes for the steel ( As rolled / normalised / thermo mechanically rolled / quenching and 12345NextS235JR steelTool Die Steels Inc.Stainless Steel,Special Steel,Compressor Blading,Turbine Blading,Superalloy Supplier.S235JR Round Bar S235JR Flat Bar S235JR Hollow Bar S235JR Tube / Pipe S235JR Sheet / Plate S235JR Strip / Coil S235JR Wire S235JR Forging S235JR Tube / Pipe TEL:+86-13880247006

results for this questionWhat is s235jr steel?What is s235jr steel?S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel plates,namely carbon structural steels with low carbon,used for welding,bolting,and more riveted structure.what materials of S235JR? results for this questionWhat is S235 Jr material grade?What is S235 Jr material grade?S in the letters of S235JR material grade represent structural designation,letters in material grade designation i.e. s 235 jr what meaning of jr#160; 235 represents yield strength i.e.235 N/mm s 235 jr what meaning of jr#178; minimally,the JR additionally confirms that the steel has been applied to testing at 27 Joules with longitudinal Chary V-Notch impact testing at standard room temperature.S235JR Non-alloy quality structural steel - Material Grades results for this questionHow many joules does s235j2 take?How many joules does s235j2 take?R means that the minimum temperature for that capacity is at room temperature (20 s 235 jr what meaning of jr#176;C),0 means 0 s 235 jr what meaning of jr#176;C and 2 means -20 s 235 jr what meaning of jr#176;C.Therefore,S235JR can only take a blow of 27 Joules at room temperature,while S235L2 can take 60 Joules at -20 s 235 jr what meaning of jr#176;C.It is all well illustrated in the video below about the Charpy impact test.Structural Steels S235,S275,S355,S420 and Their Properties

results for this questionFeedbackEN 1.0038 Steel S235JR Material Equivalent,Properties

Dec 14,2019 s 235 jr what meaning of jr#0183;Material S235JR meaning (designation) S is short for structural steel; 235 refers to the minimum yield strength (MPa) for the steel thickness 16mm; JR indicates the quality grade related to charpy impact test energy value 27 J,at room temperature 20;

what materials of S235JR?

S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel paltes,namely carbon structural steels withs235jr jr meaning China Buy A36 Steel Plate Online,Weather For S235 steel ,S means structural .235 mean it's yield strength should be more than 235 MPa.The steel grades S235 may be supplied in qualities JR,JR(G2),J0,J2,J2G3,J2G4.JR means impact testWhat is the difference between J2 and JR? Can they be used J2 and JR refer to the materials sub-grade its fracture toughness which is measured in joules of a materials toughness at a particular temperature.J2 is a material with a minimum of 27 joules at -20C while JR is a material with a minimum of 27 Joules at +20C (room temperature)..A JR material is normally used in an internal environment whereas a J2 is for external use.

What is the difference between J2 and JR? Can they be used

J2 and JR refer to the materials sub-grade its fracture toughness which is measured in joules of a materials toughness at a particular temperature.J2 is a material with a minimum of 27 joules at -20C while JR is a material with a minimum of 27 Joules at +20C (room temperature)..A JR material is normally used in an internal environment whereas a J2 is for external use.What is the ASTM equilent to ST37?Mar 27,2009 s 235 jr what meaning of jr#0183;'S 235 JRG2' (according EN 10025) has limited,i.e.maximum C-contents of 0.17 wt% (except t s 235 jr what meaning of jrgt; 40 mm having a max.C content of 0.20 wt%) and Phosphorus and Sulfur contents of 0.035 wt% each.In particular the C-content was the reason for me to set ASTM A 283 M as the 'equivalent' for an 'St 37' or even 'S 235 JR'.Structural steel grade designations according to ENJR KR 20 J0 K0 0 Z25 min.25%reduction of area J2 K2 -20 Z35 min.35 %reduction of area Physical characteristics - group 2 L for low temperatures M thermomechanical rolling N normalised rolling W weathering example EN 10025-4 S 355 ML .Explanation of the EN 10025 - 10027 specifications The latest European Standards incorporate numbers and

Structural Steels S235,S275,S355,S420 and Their Properties

It indicates the maximum load,in MPa,that does not end in plastic deformation.Stress above that value will deform the metal permanently.In S235 steels case,this value is 235 MPa.Anything below results in elastic deformation,meaning that your detail will regain its former shape after removing the load.Structural Steel Sub-Grades JR,J0 J2 Does It Matter?S275 JR 0 S355 JR 3 % S275 J0 3.5 % S355 J0 4 % S275 J2 4 % S355 J2 10 % In very general terms,JR steel material is most readily available from stock and mill.It is also the lowest priced sub-grade and so for maximum economy and availability,JR quality material should be used whenever possible.Higher quality materials,J0Structural Steel - S235,S275,S355 Chemical Composition May 11,2012 s 235 jr what meaning of jr#0183;In line with the European Standard classifications,structural steels must be referenced using standard symbols including but not limited to S,235,J2,K2,C,Z,W,JR,and JO,where S denotes the fact that it is structural steel; 235 which relates to the minimum yield strength of the steel (tested at a thickness of 16mm);

Structural Steel - S235,S275,S355 Chemical Composition

May 11,2012 s 235 jr what meaning of jr#0183;In line with the European Standard classifications,structural steels must be referenced using standard symbols including but not limited to S,235,J2,K2,C,Z,W,JR,and JO,where S denotes the fact that it is structural steel; 235 which relates to the minimum yield strength of the steel (tested at a thickness of 16mm);Structural Steel - EN10025 S275,S355JR and S355JOS355 structural grade (S) carries minimum yield strength of 355 N/mm s 235 jr what meaning of jr#178;m,the JR designation confirms that the steel has undergone longitudinal Chary V-Notch impact testing at 27J (Joules) at room temperature.Other Charpy designations include J0,J2 and K2.Steel Grades Specifications - RFL235 340/470 S235 40A S235JR This has resulted in the removal of this grade from the standard,and the lowest grade now offered is the JR version for each yield strength variation.EN 10025 2004 is the new European standard for structural steel.EN 10025

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456Nextwhat materials of S235JR?

S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel paltes,namely carbon structural steels withSome results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextSTRUCTURAL STEEEL S275 JR,JO,J2 - Metal and Metallurgy The steel S275 (S stands for structural) has a Minimum Yield Strength of 275 MPa (with a probe of 16 mm of thickness).In the steel S275JR,JR indicates that the material has been subject to a Longitudinal Charpy V-notch impacts 27 Joules at +20 s 235 jr what meaning of jr#176;C.

S335 J2 vs S355 J0 - Metal and Metallurgy engineering

May 16,2011 s 235 jr what meaning of jr#0183;Does it mean JO can be upgrade and acceptable if i can do longitudinal -20 degree impact test ? Another question is about the chemical compositions.for JO materials P,S values should be max 0,030 and N need to be 0,015 but for J2 P,S values are 0,025 and there isnt N ?S235JRH steel - Steel GradesTool Die Steels Inc.Stainless Steel,Special Steel,Compressor Blading,Turbine Blading,Superalloy Supplier.S235JRH Round Bar S235JRH Flat Bar S235JRH Hollow Bar S235JRH Tube / Pipe S235JRH Sheet / Plate S235JRH Strip / Coil S235JRH Wire S235JRH Forging S235JRH Tube /S235JRH / 1.0039 - SteelNumber - Chemical composition EN 10210-1 2006 Hot finished structural hollow sections of non-alloy and fine grain steels.Technical delivery requirements EN 10219-1 2006 Cold formed welded structural hollow sections of

S235JRG2 Material S235JRG2C+C Equivalent,Meaning

S235JRG2C+C,S235JRG2 Meaning S is short for Structural Steel; 235 refers to the minimum yield strength value (MPa) for the steel thickness 16mm; JR means the impact energy value 27 J at room temperature.G2 is a subdivided quality grade.C means the steel is suitable for cold drawing.S235JR+AR mechanical properties - Sidastico ENSIDASTICO Spa Via Astico,44 36030 Fara Vic.no (VI) ITALY Tel.+39 0445/869500 -+39 0445/1920895 Fax +39 0445/869569 -+39 0445/1920395 [email protected]S235JR steelMean coefficient of thermal expansion 10-6/( s 235 jr what meaning of jr#176;C) between 20( s 235 jr what meaning of jr#176;C) and Thermal conductivity (W/m s 235 jr what meaning of jr#176;C) Specific thermal capacity (J/kg s 235 jr what meaning of jr#176;C) Specific electrical resistivity ( mm s 235 jr what meaning of jr#178;/m) Density (kg/dm s 235 jr what meaning of jr#179;) Poissons coefficient,; 43-- 0.34- 638 469-44.3 141 - 712-21 24.2 433 123

S235JR Non-alloy quality structural steel

S in the letters of S235JR material grade represent structural designation,letters in material grade designation i.e.235 represents yield strength i.e.235 N/mm s 235 jr what meaning of jr#178; minimally,the JR additionally confirms that the steel has been applied to testing at 27 Joules with longitudinal Chary V-Notch impact testing at standard room temperature.S235JR EN 10025-2 (Euronorm)S235JR EN 10025-2 (Euronorm) Standards EN 10025-2 Hot rolled products of structural steels.- Part 2 Technical delivery conditions for non-alloy structural steelsS235JR / 1.0038(dubl) - SteelNumber - ChemicalGrade S235JR Number 1.0038(dubl) Classification Non-alloy quality structural steel ??? According EN 10250-2:2000 steel S235JRG2 also named 1.0038 ???

S235JR - Ovako

S235JR C max 0,20 % for sizes over 40 mm.Only CEV required in standard.SS 1312 Not binding recommendation for Mn (0,4 - 0,7) % in standardMen's Names and Titles - Emily Post InstituteThe son may either drop the suffix after his fathers death or,if he prefers,retain it so that he wont be confused with his late father.When a man is named after his father who is a Jr., he is called the third, once written with either the numeric 3rd or the Roman numeral III,but now the latter isMaterial S235JRmeaning(designation) S is short for structural steel; 235 refers to the minimum yield strength (MPa) for the steel thickness 16mm; JR indicates the quality grade related to charpy impact test energy value 27 J,at room temperature 20;EN 1.0038 Steel S235JR Material Equivalent,Properties Was this helpful?People also askWhat is 235 steel?What is 235 steel?235 refers to the minimum yield strength (MPa) for the steel thickness 16mm; JR indicates the quality grade related to charpy impact test energy value 27 J,at room temperature 20; C means the material is suitable for cold flanging,cold bending,cold forming or cold drawing,e.g.S235JRC (1.0122).EN 1.0038 Steel S235JR Material Equivalent,Properties,Composition

Junior High School Definition of Junior High School by

Nov 04,2020 s 235 jr what meaning of jr#0183;junior high [noun] a school usually including the seventh,eighth,and sometimes ninth grades.Give Us the Ballot, Address Delivered at the Prayer See also Kings comments on Adam Clayton Powell,Jr.s speech in his 16 July 1957 letter to Ramona Garrett,pp.235-236 in this volume.3.Kings handwritten draft contained several phrases he does not use in this address and closed with two verses from James Weldon Johnsons Lift Evry Voice and Sing, also known as the Negro EN10025 S235JR steel plate standard and specificationS235JR (+N) is a non-alloy structural steel.We have large quantities of S235JR in stock with thicknesses up to 200 mm.The minimum thickness is normally 5 mm.Plates are available up to 3.5m wide and 14m long.Most plates are certified to

EN 1.0122 Steel S235JRC+C,S235JR+AR,S235JR+N Material

Dec 14,2019 s 235 jr what meaning of jr#0183;Designation (Meaning Definition) S means structural steel; 235 refers to the minimum yield strength (MPa) for the steel thickness 16 mm; JR indicates the quality grade related to the impact test energy values ( 27 J,tested at room temperature 20 ) C means the steel is suitable for cold flanging,cold forming or cold drawing.+AR means the steel is delivered in the condition ofDifference Between S275JR and S75JR+AR in Steel - CR4 Jun 06,2014 s 235 jr what meaning of jr#0183;thanks steve for your interest and reply ,actually the reason of the question was that the steel supplier was trying to convince one of my colleagues that the S275JR+AR is better than S275JR mechanical properties wise ,some quick research proved what you rightly said above ,through various processes for the steel ( As rolled / normalised / thermo mechanically rolled / quenching and 12345NextS235JR steelTool Die Steels Inc.Stainless Steel,Special Steel,Compressor Blading,Turbine Blading,Superalloy Supplier.S235JR Round Bar S235JR Flat Bar S235JR Hollow Bar S235JR Tube / Pipe S235JR Sheet / Plate S235JR Strip / Coil S235JR Wire S235JR Forging S235JR Tube / Pipe TEL:+86-13880247006

results for this questionWhat is s235jr steel?What is s235jr steel?S235JR carbon steel plate is the European standard of non-alloy structural steels,equivalent to GB Q235B steel plates,namely carbon structural steels with low carbon,used for welding,bolting,and more riveted structure.what materials of S235JR? results for this questionWhat is S235 Jr material grade?What is S235 Jr material grade?S in the letters of S235JR material grade represent structural designation,letters in material grade designation i.e. s 235 jr what meaning of jr#160; 235 represents yield strength i.e.235 N/mm s 235 jr what meaning of jr#178; minimally,the JR additionally confirms that the steel has been applied to testing at 27 Joules with longitudinal Chary V-Notch impact testing at standard room temperature.S235JR Non-alloy quality structural steel - Material Grades results for this questionHow many joules does s235j2 take?How many joules does s235j2 take?R means that the minimum temperature for that capacity is at room temperature (20 s 235 jr what meaning of jr#176;C),0 means 0 s 235 jr what meaning of jr#176;C and 2 means -20 s 235 jr what meaning of jr#176;C.Therefore,S235JR can only take a blow of 27 Joules at room temperature,while S235L2 can take 60 Joules at -20 s 235 jr what meaning of jr#176;C.It is all well illustrated in the video below about the Charpy impact test.Structural Steels S235,S275,S355,S420 and Their Properties

results for this questionFeedbackEN 1.0038 Steel S235JR Material Equivalent,Properties

Dec 14,2019 s 235 jr what meaning of jr#0183;Material S235JR meaning (designation) S is short for structural steel; 235 refers to the minimum yield strength (MPa) for the steel thickness 16mm; JR indicates the quality grade related to charpy impact test energy value 27 J,at room temperature 20;

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