The anti corrosive steel SPA-H is designed by adding Cu, P, Cr and Ni in low carbon steel. The corrosion resistance of anti corrosive steel SPA-H is excellent, and the dimensional accuracy, plate shape, surface quality and formability are also good, which can meet the requirements of container steel. Container manufacturing industry has strict requirements on atmospheric corrosion resistance of steel.
Chemical composition of anti corrosive steel SPA-H:
| Grade | C ≤ | Si | Mn | P | S ≤ | Cu | Cr | Ni ≤ |
| SPA-H | 0.12 | 0.20~0.75 | ≤0.60 | 0.070~0.150 | 0.035 | 0.25~0.55 | 0.30~1.25 | 0.65 |
Mechanical properties of anti corrosive steel SPA-H:
| Grade | Plate Thickness | Yield strength | Tensile strength | Elongation |
| SPA-H | ≤ 6.0mm | ≥ 355 MPa | ≥ 490 MPa | ≥ 22 |
| > 6.0mm | ≥ 355 MPa | ≥ 490 MPa | ≥ 15 |
The anti corrosive steel SPA-H has good corrosion resistance in atmospheric environment, as well as excellent mechanical and welding performance. The anti corrosive steel SPA-H is widely used in railway vehicles, container, automobiles, buildings and other fields.
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