What do these numbers and letters represent for pipes?
Thread Content
20# GB/T8163 SMLS SH3405 SCH80 – what do these letters and numbers mean?
20# is the material of the steel pipe; it is grade 20 steel, a high-quality carbon steel； GB/8163 is the production standard for steel pipes, applicable to steel pipes used for transporting medium and low pressure fluids ； SMLS is the abbreviation for seamless steel pipes; SH3405 is the standard for piping in the petrochemical industry; SCH80 is the code for the nominal wall thickness of steel pipes.
20# is the material of the steel pipe; it is grade 20 steel, a high-quality carbon steel； GB/8163 is the production standard for steel pipes, applicable to steel pipes used for transporting medium and low pressure fluids ； SMLS is the abbreviation for seamless steel pipes; SH3405 is the standard for piping materials in the petrochemical industry; SCH80 is the nominal code for steel pipes according to American standards.
SH3405 is a series of steel pipe outer diameters, similar to 17395
Material Standard Pipe standard Wall thickness
20# is the material of the steel pipe; it is grade 20 steel, a high-quality carbon steel； GB/8163 is the production standard for steel pipes, applicable to steel pipes used for transporting medium and low pressure fluids ； SMLS is the abbreviation for seamless steel pipes; SH3405 is the standard for piping in the petrochemical industry; SCH80 is the code for the nominal wall thickness of steel pipes.