Dear sir or madam we would like buys rods with turning surface.
Mark of steel 630 in accordance with ASTM A 564/ A 564M
Diameter: 17.30-30.30
Diameter' s max tolerance:-0.1 mm
Length: 3000-7000 mm.
Length' s max tolerance:+50 mm
Out of roundness: 0.05 mm
Requirement: 60 ton every month.
Curve: 0.5 mm on 1 meter of length
