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no.89,qingshui business street,Laiwu,Shandong,China China
S45C/1045/45# steel round bar 1.SizeTolerance: Lengthtolerance:+100mm/-0mm Straightness:max3mm/m 2.Chemicalcomposition Grade C Si Mn P S ...
5140/40cr alloy steel round bar 1.SizeTolerance: Lengthtolerance:+100mm/-0mm Straightness:max3mm/m 2.Chemicalcomposition Grade C Cr Mn Si...
4140/42crmo/42crmo4/en19 steel round bar Chemical Composition Grade C Cr Mo Si Mn P S Ni Cu Other 42CrMo 0.38-0.45 0.90-1.20 0.15-0.25 0.17-0.37 0.50
q235 ss400 steel ound bar 1.Chemicalcomposition Grade C Si Mn P S Cr Ni Cu As N Q235 0.22 0.35 1.40 0.045 0.050 0.03 0.30 0.30 0.080 0.008 2.Mechanic
suj2 bearing steel Grade equivalent Standard GB/T18254 CNS3014 ISO683/17 GOST801 JISG4805 DIN17230 ASTMA295 BS970 Grade GCr15 SUJ2 100Cr6 SH15 SUJ2 10
الشخص الذي يمكن الاتصال به Mr. rafe zhang
عنوان no.89,qingshui business street, Laiwu, Shandong
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