批发供应冷拉圆钢合金圆钢大口径合金无缝钢管

、 合金管、无缝管系列。结 构 管GB8162---99, 流体管GB8163---99, 低中压锅炉管GB3087—2000高压锅炉管GB5310--95 化肥专用管GB6479—86 石油裂化管GB9948-----1988液压支柱管GB/T17396-98 地质钻探管YB235-70 汽车半轴套管YB/T5035-99具体材质；10#，20#，45#，20G，16Mn,27SiMn,15CrMo,15CrMoG,12Cr1MoV20CrMo, 35CrMo, 42CrMo, 12Cr1MoVG, Cr5Mo, 10CrMo910, WB36,13CrMo44,34CrMo4,P5,12Cr2MoV,P11 P12.,P22,P91等。二、 圆钢系列合结钢,碳结钢,模具钢,轴承钢,工具钢,弹簧钢,齿轮钢,冷拉圆钢,热扎圆钢,锻制圆钢.圆钢材质有;8#,10#,15#,20#,25#,30#,35#,45#,20Cr,35Cr,40Cr,45Cr,50Cr,15Mn,16Mn(Q345B),50Mn,65Mn,Q235B(A3) 15CrMo,20CrMo,35CrMo,42CrMo,5CrMnMo,38CrMoAL,YF45MnV, Cr12Cr12MoV,Gr15,40Mn2,45Mn2,60Si2Mn,20CrMnTi,20MnTiB,ML35,T8A,T9A,T10A,T11AT12A,T13A,3Cr2W8V,20CrMnMo,40CrMnMo,20CrNiMo,27SiMn…..三、不锈钢管、不锈钢棒材、不锈钢板材系列.结构用不锈钢管（GB/T14975），流体用不锈钢管(GB/T14975)等不锈钢无缝管材质有;201,202,301,310,310S,304,304L,316,316L,321,439,436,437..不锈钢棒材材质有;201,202,301,310S,321,304,304L,316,316L,321,1Cr13,2Cr13,3Cr134Cr13….不锈钢板材材质有；201,202,301,310S,321,304,304L,316,316L,32