Carbon steel coil steel Q215 is made from slabs (mainly continuous cast slabs), which are heated and then made into strips by roughing and finishing mills. The hot steel strip from the last finishing mill is cooled to the set temperature by laminar flow and rolled into Carbon steel coil steel Q215 by a coiler. The cooling coils are processed into steel sheets, flat coils, and slit strip products through different finishing lines according to the different needs of customers.
| Grade | Rank | Chemical Composition( %) | ||||
| C | Mn | Si | S | P | ||
| Q195 | 0.06~0.12 | 0.25~0.50 | ≤0.3 | ≤0.05 | ≤0.045 | |
| Q215 | A | 0.09~0.15 | 0.25~0.55 | ≤0.3 | ≤0.05 | ≤0.045 |
| B | ≤0.045 | |||||
Carbon steel coil steel Q215s are made from hot-rolled coils, which are rolled at room temperature below the recrystallization temperature, including plates and Carbon steel coil steel Q215s.
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