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Hot-rolled coils are produced using continuous casting slabs or initial rolling slabs as raw materials. The process involves heating in a step-by-step heating furnace, followed by descaling with high-pressure water. The descaled material then enters the roughing mill, and the rough-rolled material undergoes head and tail cutting before entering the finishing mill. Computer-controlled rolling is implemented during the process. After the final rolling, the material goes through laminar cooling (computer-controlled cooling rate) and is coiled by the coiler, resulting in the production of hot-rolled coils.
| Standard | Grade | General Size | Delivery Condition |
| ASTM A36 | A36/A36-B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| ASTM A283 | A283-B/A283C | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| ASTM A572 | A572Gr50-B/A572Gr42-B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| ASTM A515 | A515Gr70 | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| ASTM A516 | A516Gr70 | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| JIS G 3101 | SS400-B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| JIS G3136 | SN400B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| EN10025-2:2004 | S235JR-S355K2+N | 5-20 * 2300-2500 * C | Boron added or Black Condition |
| EN10025-5:2004 | S355J2W/S355K2W | 5-20 * 2300-2500 * C | Boron added or Black Condition |
Hot-rolled products exhibit excellent properties such as high strength, good toughness, ease of processing and shaping, and good weldability. Therefore, they are widely used in manufacturing industries such as construction, machinery, boilers, and pressure vessels.
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