Table 1. Types and Components of Steel Used by Six Hot-Dip Galvanizing Manufacturers (wt %).
steel
composition |
||||||
---|---|---|---|---|---|---|
manufacturer no. | steel category | C | Si | Mn | P | S |
manufacturer 1 (steel wire) | SWRH82B | 0.80–0.85 | 0.12–0.32 | 0.30–0.60 | <0.025 | <0.025 |
manufacturer 2 (steel wire) | SWRH77B | 0.74–0.81 | 0.15–0.35 | 0.60–0.90 | <0.030 | <0.030 |
manufacturer 3 (steel pipe) | Q215B | 0.24–0.32 | 0.17–0.37 | 0.80–1.10 | <0.035 | <0.035 |
manufacturer 4 (steel pipe) | Q235A | ≤0.22 | ≤0.35 | 0.30–0.65 | ≤0.045 | ≤0.045 |
manufacturer 5 (steel sheet) | DX51D | ≤0.07 | ≤0.07 | ≤0.50 | <0.025 | <0.025 |
manufacturer 6 (steel sheet) | SGCC | ≤0.10 | ≤0.05 | ≤0.50 | <0.035 | <0.025 |