2011-08-29GB6479化肥专用管的机械性能与用途

2011-08-10GB6479化肥专用管天津现货交易市场大量短缺

2011-08-0716MnGB6479化肥专用管,20#化肥专用管

2011-08-0720#无缝钢管,GB6479化肥专用管,16Mn无缝管

2011-08-07衡阳GB6479化肥专用管,20#GB6479化肥专用管

2011-07-12GB6479化肥专用管,15CrMo化肥专用管,天津化肥专用管

2011-07-12GB6479化肥专用管,20#化肥专用管,16Mn化肥专用管

2011-07-02GB6479化肥专用管,16MnGB6479化肥专用管,20#化肥专用管

2011-07-02GB6479化肥专用管,20#GB6479化肥专用管,16Mn化肥专用管

2011-06-28GB6479化肥专用管,20#GB6479化肥专用管,16MnGB6479化肥专用管

2011-06-15GB6479化肥专用管,15cRmO化肥专用管,12Cr1MoV化肥专用管

2011-06-15GB6479化肥专用管,20#GB6479化肥专用管,16MnGB6479化肥专用管

2011-05-12GB6479化肥专用管,厚壁合金钢管,大口径合金钢管

2011-05-12GB6479化肥专用管,12Cr1MoVG高压锅炉管,12Cr1MoVG合金管

2011-05-03GB6479化肥专用管,20#化肥专用管,16Mn化肥专用管 13702044988

2011-04-23国内gb6479化肥专用管在保证供应的基础上可用来对冲矿价上涨

2011-04-23材质GB6479化肥专用管牌号和钢级：20# 16Mn，15CrMo,12CrMo、12Cr2Mo等

2011-04-23天津GB6479化肥专用管GB6479化肥专用管GB6479化肥专用管

2011-03-25GB6479化肥专用管GB6479化肥专用管GB6479化肥专用管

2011-03-16GB6479化肥专用管牌号和钢级：20# 16Mn，15CrMo,12CrMo、12Cr2Mo等