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