SM520C, we can regard SM520C as Carbon and low alloy steel. SM520C is one mainly of Carbon and low alloy steel.
SM520C is a low carbon, high strength structural steel With this low carbon equivalent, it process good cold forming property. SM520C usual supplied in normalized or control rolled delivery condition.
SM520C Chemical analysis -% by mass
| Grade | C.max | Si.max | Mn | P.max | S.max |
| SM520C | 0.2 | 0.55 | 1.6 | 0.035 | 0.035 |
| Grade | Yield point of proof stress N/mm2 min | Tensile Strength N/mm2 | Elongation | |||
| Thickness of steel mm | Thickness of Steel mm | thickness | Test piece | % min | ||
| ≤16 | 16-40 | ≤100 | ||||
| ><5 | NO.5 | 19 | ||||
| SM520C | 365 | 355 | 520-640 | ≥5<16 | NO.1A | 15 |
| ≥16<50 | NO.1A | 19 | ||||
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