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JIS G3106 HSLA steel plates properties

JIS G3106 HSLA steel plates properties

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Description: JIS G3106 HSLA steel plates are hot rolled steels with good weldability. JIS G3106 HSLA steel plates are usually applied to bridges, ships, vehicles, petroleum ...

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JIS G3106 HSLA steel plates properties description

JIS G3106 HSLA steel plates are hot rolled steels with good weldability. JIS G3106 HSLA steel plates are usually applied to bridges, ships, vehicles, petroleum storage tanks, containers and other welding components. The typical JIS G3106 steel grades are SM400B, SM490B, SM490YA, SM490YB, SM520B, SM570 and so on.

JIS G3106 HSLA steel plates properties - chemical composition:

JIS G3106 Thickness (mm) C max Si max Mn P max S max
SM400A ≤50 0.23 - 2.5xC min 0.035 0.035
50<t≤200 0.25 - 2.5xC min 0.035 0.035
SM400B ≤50 0.20 0.35 0.60-1.50 0.035 0.035
50<t≤200 0.22 0.35 0.60-1.50 0.035 0.035
SM400C ≤100 0.18 0.35 0.60-1.50 0.035 0.035
SM490A ≤50 0.20 0.55 1.65 max 0.035 0.035
50<t≤200 0.22 0.55 1.65 max 0.035 0.035
SM490B ≤50 0.18 0.55 1.65 max 0.035 0.035
50<t≤200 0.20 0.55 1.65 max 0.035 0.035
SM490C ≤100 0.18 0.55 1.65 max 0.035 0.035
SM490YA ≤100 0.20 0.55 1.65 max 0.035 0.035
SM490YB ≤100 0.20 0.55 1.65 max 0.035 0.035
SM520B ≤100 0.20 0.55 1.65 max 0.035 0.035
SM520C ≤100 0.20 0.55 1.65 max 0.035 0.035
SM570 ≤100 0.18 0.55 1.70 max 0.035 0.035

JIS G3106 HSLA steel plates properties - mechanical properties:

JIS G3106 Yield strength Mpa (min.) Tensile strength
≤16 16-40 40-75 75-100 100-160 160-200 ≤100 100-200
SM400A 245 235 215 215 205 195 400-510 400-510
SM400B 245 235 215 215 205 195 400-510 400-510
SM400C 245 235 215 215 - - 400-510 400-510
SM490A 325 315 295 295 285 275 490-610 490-610
SM490B 325 315 295 295 285 275 490-610 490-610
SM490C 325 315 295 295 - - 490-610 490-610
SM490YA 365 355 335 325 - - 490-610 -
SM490YB 365 355 335 325 - - 490-610 -
SM520B 365 355 335 325 - - 520-640 -
SM520C 365 355 335 325 - - 520-640 -
SM570 460 450 430 420 - - 570-720 -

JIS G3106 HSLA steel plates can be normalized, quenched and tempered or tempered only as required. In addition, heat treatment such as controlled rolling and controlled cooling can also be carried out according to the agreement between the supplier and the demander. JIS G3106 HSLA steel plates thickness beyond the limitation on above table can also be met, and the according chemical composition and mechanical properties will comply with the Appendix JB in JIS G3106 standard.

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