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SM490
SM490
SM490
SM490

SM490 steel

The SM400A/B/C,SM490A/B/C,SM490YA/YB,SM520B/C and SM570 steel plate are all under the JIS G3106 standard which are used for welded structures.
Product introduction
SM490 steel plate manufacturer. SM490 welding structure steel is in the Japanese standard JIS G3106 .SM490 structural steel plate/sheet is used for the structure part with high requirement of mechanical property and welding performance in building, bridge, ship , automobile, pertroleum container and construction vehicles.
Technical data
JIS G3106 SM400A
Chemical composition % MAX
  C Si Mn P S
TH(MM) ≤50 >50≤200        
  0.23 0.25 ~ ≥2.5xC 0.035 0.035
Mechanical properties  MIN
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40
  245 235 215 215 205 195 400~510 400~510 ≥23 ≥18 ≥22 ≥24

JIS G3106 SM400C
  C Si Mn P S
TH(MM) ≤50 >50≤200        
  0.18 0.18 0.35 1.4 0.035 0.035
Mechanical properties  MIN
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40
  245 235 215 215 - - 400~510 400~510 ≥23 ≥18 ≥22 ≥24

JIS G3106 SM400B
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.20 0.22 0.35 0.60-1.40 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  245 235 215 215 205 195 400~510 400~510 ≥23 ≥18 ≥22 ≥24  

JIS G3106 SM490A
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.20 0.22 0.55 1.6 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  325 315 295 295 285 275 490-610 490-610 ≥22 ≥17 ≥21 ≥23  

JIS G3106 SM490B
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.18 0.2 0.55 1.6 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  325 315 295 295 285 275 490-610 490-610 22 17 21 23  

JIS G3106 SM490C
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.18 0.18 0.55 1.6 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  325 315 295 295 - - 490-610 490-610 ≥22 ≥17 ≥21 ≥23  

JIS G3106 SM490YA
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.20 0.20 0.55 1.6 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  325 355 335 325 - - 490-610 - 19 15 19 21  

JIS G3106 SM490YB
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.20 0.20 0.55 1.6 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  365 355 335 325 - - 490-610 - 19 15 19 21  

JIS G3106 SM520B
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.20 0.20 0.55 1.6 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  365 355 335 325 - - 520-640 - 19 15 19 21  

JIS G3106 SM520C
Chemical composition % MAX  
  C Si Mn P S  
TH(MM) ≤50 >50≤200          
  0.20 0.20 0.55 1.6 0.035 0.035  
Mechanical properties  MIN  
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %  
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50 >40  
  365 355 335 325 - - 520-640 - 19 15 19 21  

JIS G3106 SM570
Chemical composition % MAX  
  C Si Mn P S    
TH(MM) ≤50 >50≤200            
  0.18 0.18 0.55 1.6 0.035 0.035    
Mechanical properties  MIN    
  Yield strength   (N/MM2) Tensile strength (N/MM2) Elongation %    
TH(MM) ≤16 >16-40 >40-75 >75-100 >100-160 >160-200 ≤100 >100-200 ≤15 >5-16 >16-50    
  460 450 430 420 - - 570-720 - 19 26 20    

 
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