standard

Specification

GB/T1179-2008   

ASTM B 232:BS 215：CSA C49   

DIN48204：IEC 61089：AC 1351,1991

SABS 182-2：KS C 3112，JIC C 3109

TCVN 5064-1994/SD 1:1995：AFNL C34-125

JIS C 3110

JIS C 3109  China, British, USA, Australia, Japan, Russia, South Africa, Vietnam, Korea, French, Germany， Canada etc.

Nominal Area16-800m