Standard

Material

Specifications

Thread

Size

ASTM

ASTM A-197   ASTM A 47

ASME B 16.3,16.14,  UNION B 16.39

ANSI B1.20.1

1/8”-6”

DIN

ASTM A-197   ASTM A 47

ISO 49    DIN 2985    DIN 10242

DIN 2999    ISO 7-1     

1/8"-6"

BS

ASTM A-197 ASTM A 47    

BS EN 10242 ,    BS 143&1256 

DIN 2999  ISO 7/1  

1/8"-6"  

Surface Treatment

Black , Hot-dipped galv. ,  Bake galv. ,   Eletrc-galv . banded , beaded , plain , banded with ribs or according to your requirements