1) steel nipple Material: ERW steel pipes or seamless steel pipes,
stainless steel pipes2) steel nipple surface:Hot-dipped galvanized or electric
galvanized and black, also Powder coating as customer’s request.3) steel nipple available in steel nipples, barrel nipples, close
nipples, king nipples, hose nipples, stub nipples ect. , customers’
drawings or designs are available.4) steel nipple Standard according to BS EN10241, DIN 2982, ASTM A
733.Pipes: BS1387, DIN 2440, ASTM A53, ASTM A312 TP304steel nippler Threads: ISO7/1, DIN2999, ANSI B 1.20.1