1.Material: 20MnSi
2.Diameter:8mm-50mm & in coil
3.Length:6m,9m,12m
4.Standard: GB HRB335,HRB400,HRB500
BS4449 G460B-1997
BS4449 G500B-2005
ASTM A615 G40/60
ASTM A706
DIN488-1 420S/500S
DIN488-1 BST500S
JIS G3112 SD390
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