Common Steel Pipe Q195,Q235,10#(ASTM A106GR.A),20#(ASTM A106GR.B,API 5LGR.B),35#,45#,20Cr,40Cr, 16Mn(ASTMA210GR.C,ST52),GCr15,20CrMnTi, 27SiMn ,20G(ST45.8-III),

China Common Steel Pipe Q195,Q235,10#(ASTM A106GR.A),20#(ASTM A106GR.B,API 5LGR.B),35#,45#,20Cr,40Cr, 16Mn(ASTMA210GR.C,ST52),GCr15,20CrMnTi,27SiMn,20G(ST45.8-III),, Find details about China Welded Pipe, Seamless Pipe from Common Steel Pipe Q195,Q235,10#(ASTM A106GR.A),20#(ASTM A106GR.B,API 5LGR.B),35#,45#,20Cr,40Cr, 16Mn(ASTMA210GR.C,ST52),GCr15,20CrMnTi,27SiMn,20G(ST45.8-III),