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Depending on the different needs of manufacturers, cold rolled steel sheets are generally classified into: general-purpose cold-rolled sheets, stamping-grade cold rolled sheets, deep-drawing, extra-deep-drawing, and ultra-deep-drawing grade cold rolled sheets. They are typically delivered in coils and sheets, with thickness expressed in millimeters. Widths are generally 1000mm and 1250mm, and lengths are generally 2000mm and 2500mm.ASTM DC01 SPCC St12 cold-rolled steel sheet is a high-precision low-carbon steel plate used for precision machining and thin sheet manufacturing.
Technical Standards for cold rolled steel coil | |||||
grade | Zhengde enterprise standard | Comparable to foreign standards | illustrate | ||
Standard | Grade | Standard | Grade | ||
general use | Q/BQB403 Q/BQB402 | St12 SPCC | DIN1623JISG3141 | St12 SPCC | For general forming processing such as refrigerators and other home appliance shells, oil barrels, and steel furniture. |
stamping grade | Q/BQB403 Q/BQB402 | St13 SPCD | DIN1623JISG3141 | St13 SPCD | Steel for stamping and forming processes such as automobiles, home appliances, and construction. |
Deep drawing | Q/BQB403 Q/BQB402 | St14, (F, HF, ZF)SPCE (F, HF, ZF) | DIN1623JISG3141 | St13 SPCE | Automobile headlights, fuel tanks, car doors, windows and other steels for deep drawing and forming. |
Steel for extra deep drawing | Q/BQB403 | St15 St14T | Car headlights, complex underbody panels, oil pans. | ||
