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. | |||||||
hard steel | Q/BQB402 | SPCC4D SPCC8D SPCC1D | JISG3141 | 1/4 hard1/8hard | Steel for bicycle rims and steel for stationery. | |||||
structural steel | Q/BQB410 BZJ410 | St37-2G St44-3G St52-3G | DIN1623 | St37-2G St44-3G St52-3G | Buildings, car bodies, brackets. | |||||
Atmospheric resistant steel | BZJ441 | B440NQ B450NQ B460NQ B500NQ | Automobile, train car outer panels, container panels, doors and windows, cold-formed steel and other components. | |||||||
steel for car wheels | BZJ412 | B320LW B360LW | Steel for automotive wheel rims. |