CARBON STEEL PIPE NIPPLE

STANDARD:AMERICAN STANDARD ASTM A733

PIPE ASTM A53 ASTM A312 TP304

THREAD ANSI B1.20.1

BRITISH STANDARD BS EN10241

PIPE BS1387

THREAD ISO 7-1

DIN STANDARD DIN2982

PIPE DIN 2440

THREAD DIN2999

GOST STANDARD