Grade

Standard

General use

SECC, BLCE+Z, DC01E+Z

Q/BQB430-2009

90/90

0.3-3.5

800-1830

1000-6000

508, 610

Used for drawing

SECD, BLDE+Z, DC03E+Z

Used for deep drawing

SECE, BUSDE+Z, DC04E+Z

Used for special deep

drawing

SECF, DC05E+Z, BUFDE+Z

Used for extra deep

drawing

BSUFDE+Z, DC06E+Z

Used for special extra

deep drawing

DC07E+Z