Mining

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

ASTM A606 alloy weathering steel pipe is a high-strength low-alloy structural steel with excellent atmospheric corrosion resistance.

A209 alloy pipe is an American standard alloy steel pipe. It not only has high oxidation resistance and high temperature steam corrosion resistance, but also has good impact toughness, high and stable long-lasting plasticity and thermal strength properties.

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.