SMLS


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What is seamless steel pipe

Seamless steel pipe is a long steel bar with a hollow section and no joints around it. Common standards include ASTM A53 , ASTM A106 , ect. Steel pipes have a hollow cross section, and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, co ...

shirley xiao


Posted 2 months agoPress > SMLSSeamless steel pipeASTM A106

Comparison of Performance and Technical Indicators of ERW and SML

1. Tube blank quality ERW steel pipe  special steel has high purity. Through de-S, de-P, de-aeration, Ca treatment and other methods, the S and P content can be controlled below 0.005%, the N content can be controlled below 0.008%, the shape of the inclusions can be controlled to be spherical and t ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 6 months agoPress > ERWSMLSTechnical Indicators +1

Identification Method of Fake and Inferior Seamless Steel Pipe

The structure is folded with a seamless steel pipe which is a variety of fold lines formed on the surface of the steel pipe, and such defects often extend throughout the longitudinal direction of the product. The reason for the folding is that the inferior manufacturer pursues high efficiency, th ...

Joy Huang


Posted 1 year agoPress > SMLSstainless steel seamless pipeseamless steel tube