Natural Gas

This specification of ASTM A 671 Carbon Steel Tubes covers standard requirements for electric-fusion-welded steel pipe with filler metal added, for atmospheric and lower temperatures.

ASTM A182 F44 socket welding pipe fittings are an important accessory for high-pressure pipeline connections. They are mainly formed by die-forged blanks of round steel or steel ingots.

GB/T 18248 seamless gas cylinder tube is a kind of seamless steel tube for gas cylinders.

ASTM A778 stainless steel pipe is used in low to moderate temperature applications. The specification is for unannealed, welded stainless steel materials.