Material: carbon & stainless steel Material 

type: welded or seamless steel pipes 

Standard: ASTM A53/ ASTM A106/ ASTM A333/ BS1387/ DIN2440, Medium&heavy 

Threads: ANSI B1.20.1; ISO 7/1; DIN2999 

Size: 1/8"-4" 

Wall thickness: SCH40.80.160.XXS 

Treatment: anti-rust oil 

Color: black, galvanized 

Application: Steam,Air,Gas and Oil pipes connection.