Iso Certification 304l Stainless Steel Seamless Pipe 20 Inch 24inch 30 Inch

Seamless steel pipes for general use are made of high quality carbon steel such as 10#, 20#, 30#, 35#, 45#, or low alloy structural steel such as 16Mn, 5MnV, or sintered steel such as 40Cr, 30CrMnSi, 45Mn2, 40MnB, etc. The seamless pipes made of low carbon steel such as 10#, 20# are mainly used for fluid transportation pipelines. Seamless pipes made of medium carbon steel such as 45# and 40Cr are usually used to manufacture mechanical parts, such as the stressed parts of automobiles and tractors.

Seamless steel tubes for general use are subject to strength and crush test. Hot-rolled steel pipe is delivered in hot-rolled condition or heat-treated condition: cold-rolled is delivered in heat-treated condition.