Seamless Steel Pipe SAE 1040,WT4.5mm,fixed Length 1.OD:13.7mm- ... -60mmGrade10#,20#,45#,16Mn,Q235,304L ,316L,ST42,ST52,A106-a,A106-b,27SiMn,12Cr1MoV, and so onLength5-12m. As customers ... as clients requirements.Supply1. seamless steel pipe2. ERW steel pipe3. steel casing4. tubing5. hot-rolled steel pipe6. spiral steel pipe7. hot-galvanized steel pipe Seamless Steel Pipe SAE 1040,WT4.5mm ...