I. Overview: The product is made of two welded pipe seamless steel tube, Details: Product Name: Steel Pipe Nipples Features: with welded pipe or seamless steel pipe processing, product standards, including BS1387, ANSI / ASTM A 733 and DIN 2982 three, surface treatment electroplating or hot dip. Specifications: 1/8 "- 6 the" Products: steel pipe nipples Feature: Steel Pipe Nipples are made from ERW pipes or Seamless Steel Pipes All nipples are made according to the standard of BS1387, ANSI / ASTM A 733 and to DIN 2982 . Size suppliable from 1/8 "to 6"