JIS G 3125 SPA-H/SPA-C steel work / steel structure / steel  machining parts

JIS G 3125 SPA-H/SPA-C steel work / steel structure / steel machining parts

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10-May-2024

JIS G 3125 SPA-H/SPA-C steel work/steel structure/steel machining parts applies to vehicles, buildings, towers and other structures with particularly excellent resistance to atmoSPHEric corrosion of rolled steel.

JIS G 3125 SPA-H/SPA-C steel is hot rolled steel/cold rolled steel for Superior Atmospheric Corrosion resistance in the form of plates, sheets & strips for corrosion resistance application.

JIS G 3125 SPA-H/SPA-C steel applicable thickness is from 3 mm to 30 mm.

JIS G 3125 SPA-H/SPA-C steel work/steel structure/steel machining parts chemical composition max

Grade	C	Si	Mn	P	S	Cu	Cr	Ni
SPA-H/SPA-C	0.12	0.20-0.75	0.6	0.070-0.150	0.035	0.25-0.55	0.30-1.25	0.65

JIS G 3125 SPA-H/SPA-C steel mechanical properties

Grade	Steel size	Yield strength N/mm2	Tensile strength N/mm2	Elongation %
SPA-H	Thickness under 6.0mm plate and strip	≥355	≥490	22
SPA-H	Steel structure,thickness over 6.0 plate and strip	≥355	≥490	15
SPA-C		≥315	≥450	26

JIS G 3125 SPA-H/SPA-C steel work/steel structure/steel machining parts steel service

Heat reatment,Test,Galvanization,pre-treatment,Cutting etc.

JIS G 3125 SPA-H/SPA-C steel work / steel structure/steel machining parts heat treatment: annealing, quenching, tempering etc.

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