Comparison of Performance and Technical Indicators of ERW and SML1. 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 8 months agoPress
> ERWSMLSTechnical Indicators +1