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ASTM A209 specifies the requirements for various grades of minimum wall thickness seamless carbon-molybdenum alloy steel tubes. These grades include T1, T1a, and T1b, which are different in terms of their chemical composition and mechanical properties.

GNEE steel is one of the large manufacturers for high quality API 5CT K55 Tubes. API 5CT K55 casing pipe is very similar to J55 Casing Pipe.

ASTM A358 is a standard specification for stainless steel electric-welded pipe suitable for use in pressure piping systems exposed to high temperatures or corrosive environments.

JIS G3455 seamless steel pipe is mainly used for high-pressure piping. It has a high pressure bearing capacity and is suitable for pipelines that need to withstand high-pressure liquids.