title
ǰԽ 
 
Marking
Ʈǥ() 2012-3-5 13:41
ʴϴ.

ȭȭ ϴ.

Ѱ ñ ִµ,,
ּ ISO ԰ Marking . ̶ ϰ ASTM A193 B7
ָ Head marking  Ǵ,, 帳ϴ.

Ȥ ּ Ʋ  ٲ ұ..?
ٲ Ѵٴ or ISO ԰ Marking ̶
ϴ..

մϴ.
   
   boltmall
   2012.3.5
  õ ΰ ǻ ֳ׿.

Ͽ Դϴ.

ISO 898-1 簭 ǥ
ISO 3506 簭 ǥ
JIS B 1051 9.3.4 簭 ǥ

A193 Ӹܸ鿡 "B7" Ḹ ǥ(Ÿ)Ǿ ˴ϴ
   
 

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