Civil Construction

Casing coupling is a short pipe applied in connecting two casing pipes which have threads. The pipe coupling has internal threads machined to match the external thread of the long joints of casing.

ASTM A572 GR.42 welded pipe has high strength and good toughness. It is widely used in various structural projects that require welded steel pipes.

ASTM A210 A1 seamless boiler tubes are mainly used to manufacture headers, main steam pipes, etc. for the heating surface of high-pressure boilers, and are power station boilers and superheaters.

EN S355J2H structural round steel pipe is a structural seamless steel pipe that complies with European standards (EN 10210 or EN 10219). Its material is S355J2H.