The POSCO Quality

Galvanized Steel

Galvanized steel products are made by cleansing and heat-treating rolled coils before dipping them into a bath of molten zinc. Through this process, the coils are plated with zinc only (GI), zinc and iron (GA) or zinc, aluminum and magnesium (PosMAC).

Product Specification

This product specification is subject to change, so please check the latest specifications when ordering or consult with the person in charge.

Cold Rolled Coils

POSCO, KS D 3506, JIS G3302, ASTM, EN10142 상세규격
Classification / Specifications POSCO KS
D3506
JIS
G3302
ASTM EN10142
89 95
Commercial CGCC SGCC SGCC A526 A653-CQ DX51D
Lock Forming CGCF SGCD1 SGCD1 A527 A653-LFQ -
Drawing CGCD SGCD2 SGCD2 A578 A653-DQ DX52D
Deep Drawing CGCP SGCD3 SGCD3 - - DX53D
Non-Aging Deep Drawing CGCN SGCD3N SGCD3N A642 A653-DQSK DX54D
Non-Aging Extra Deep Drawing CGCE - - - - -
Structural Quality1) CGL35 SGC35 SGC340 A446 Gr A2) A653-SQ230 S220GD
- - - Gr B A653-SQ255 S250GD
CGC41 SGC41 SGC400 Gr C A653-SQ275 S280GD
CGC45 SGC45 SGC440 Gr D A653-SQ340 S320GD
CGC50 SGC50 SGC490 Gr F - S350GD
CGL58 SGC58 SGC570 Gr E A653-SQ550 S550GD
High Tensile Steel CGCHS35 - - - - -
CGCHS40
CGCHS45
CGCHS50
CGCHS60
Note)
  • 1. The specifications for EN structural quality are EN10147.
  • 2. The tensile strength for A446 Grade A is 310MPa (N/mm²).

Hot Rolled Coils

POSCO, KS D 3506, JIS G3302, ASTM, EN10142 상세규격
Classification / Specifications POSCO KS
D3506
JIS
G3302
ASTM EN10142
89 95
Drawing CGHD - - - - -
Commercial CGHC SGHC SGHC A526-H A653-CQ EN-DX51DH
Lock forming - - - A527-H A653-LFQ -