Of spot weldability between high strength steel BIF340 and normal normal cold-rolled steel SPCD weldability on car , st14 cold rolled steel sheet and St14 steel sheets in different weld processes.
| normal cold-rolled steel SPCD weldability Chemical Composition | ||||||
| C | Mn | Si | P | S | AL | |
| SPCC | ≤0.15 | ≤0.50 | ≤0.05 | ≤0.035 | ≤0.025 | --- |
| SPCD | ≤0.10 | ≤0.45 | ≤0.03 | ≤0.025 | ≤0.025 | >0.015 |
| SPCE | ≤0.08 | ≤0.40 | ≤0.025 | ≤0.025 | ≤0.025 | >0.015 |
normal cold-rolled steel SPCD weldability is a product made from hot rolled coil and rolled below recrystallization temperature at room temperature. It normal cold-rolled steel SPCD weldability is mainly used in automobile manufacturing, electrical products, etc.
| C(%) | Mn(%) | P(%) | S(%) | Tensile stress (Mpa) | Pagpahaba (%) |
|---|---|---|---|---|---|
| ≦0.10 | ≦0.45 | ≦0.035 | ≦0.035 | ≧270 | ≧41 |
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