B420CL thickness allowable deviation should be consistent with Q / BQB 301 high precision (PT.B) provisions,B420CL good cold formability for automotive roll forming wheel and spoke network.
B420CL steel plate mechanical property
Grade
|
Tensile test |
||||
Yield strength |
Tensile strength |
Yield ratio |
Elongation after fracture |
180°Bending Test b |
|
B420CL |
≥290 |
420-520 |
-- |
≥28 |
0.5a |
B420CL steel chemical composition
Grade
|
Chemical composition(Heat analysis)% |
|||||
C |
Si |
Mn |
P |
S |
Alt |
|
B420CL |
≤0.12 |
≤0.30 |
≤1.50 |
≤0.030 |
≤0.025 |
≥0.010 |
B420CL steel plate/sheet application:
B420CL steel plate, steel strip is a kind of hot-rolled picked steel trip for automotive structure steel with welding performance, and some stamping performance. B420CL steel plate, steel strip is widely used, such as automobile manufacturing, electrical products, rolling stock, aerospace, precision instruments, food cans and so on.
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