ERW


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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 7 months agoPress > ERWSMLSTechnical Indicators +1