... -12m; other lengths can be customizedSpecifications1.material:SAE9254,SUP12V,55Cr3,55CrSi,60Si2CrVA,SUP6. 2.Size:D1.0 - D1000*L. 3.Usage ... the products as follows:1.steel grade: 55Cr3,SAE9254,SUP12V,55CrSi,60Si2CrVA,SUP6.SUP7,SUP9 , and so on.2.Size:diametre ...
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