• Model NO.：SM490B
• Special Use：High-strength Steel Plate
• Stock：Not Stock
• Good Quality：Competitive Price
• Payment Term：T,T; L,C; Western Union
• Delivery Time：Average 30 Days
• Transport Package：Bundle,Loose,Bare or According Customer Inquire
• Specification：Thickness: 6~300mm
• Trademark：WGCYL
• Origin：Henan, China
• Production Capacity：5000 Tons,Month

JISG3106 
Low alloy
High strength
 plate steel                    ThicknessWidthLength  6mm - 300mm   1500mm - 4200mm   3000mm - 18000mm Services: Pretreatment (derusting, lacquering, Painting, Sand dusting) test (UT, HIC, Impact test, PWHT, Z15, Z25, Z35 etc) Cutting, Welding, Painting, Flaw-Detection (Grade1, Grade2). 
 
Process: EAF+LF+VD+Forged+Heat Treatment (optional). 
Below professional detailed classificationJISG3106 
Low alloy
High strength
plate  steelGradeSM490ASM490BSM570SM520Delivery Condition: Hot rolled,Controlled rolling,normalizing,temper,
temper normalizing,tempering+quenching,quenching and tempering,HIC,Z .
Chemical compositionJIS G3106C%Si%Mn%P%S%SM490A <=50<=0.20<=0.55<=1.60<=0.035<=0.035>50~<=200<=0.22SM490B<=50<=0.18<=0.55<=1.60<=0.035<=0.035>50~<=200<=0.20Mechanical propertyJIS G3106Min Yield
ReHTensile
Rm
 Min  elongation
%<=16>16~<=40>40~<=75>75~<=100<=100>100<=200<=5>5~<=16>16~<=50>40SM490A/ SM490B>=325>=315>=295>=295490~610>=22>=17>=21>=23 
Applications: Manufacturing plant, general building and all kinds of engineering machinery, such as mining and drilling rig used in various types of construction, power shovel, electric tip lorry, mining truck, excavators, loaders, bulldozers, various types of cranes, hydraulic support for coal mine and other machinery equipment and other components.