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M30×2×117
Material: 40Cr
Grade:10.9
Tensile strength:≥1040MPa
Yield strength:≥940MPa
Elongation:≥9%
finition:Black
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Tel: +86 17712612177 Fax: +86 51981234002
Address:7#1315 ,No.9 ,Taihu East Road, Xinbei District Changzhou ,Jiangsu ,China
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