bright annealed seamless carbon steel tubes

The bright seamless steel pipes produced by our factory use high-quality carbon steel as raw materials.After cold drown and anaerobic oxygen annealing process,the tube's surface finish is well with high-precision and no oxide layer inside and outside the pipe.The pipes can do a variety of complex deformation and mechanical processing.

1.Certificate: ISO9001:2008
2.Spec.:DIN2391-94/C.
3.O.D:4mm-80mm
4.W.T:0.5mm-7mm
5.Max length:8m
6.delivery condition:Anaerobic annealing
7.Package: bundled and wrapped in plastic or as per your requirement
8. Surface treatment: oiled
9.Package: bundled and wrapped in plastic,  or wooden case, or as per your requirement
10.Application: used in hydraulic system, construction machine vehicles, or in the occasion where the requirement for antirust and anticorrosion of outer wall is relatively high.
11.Advantage:OD tolerance:+/-0.05mm, excellent surface condition(Ra<=1.0um),No crack after flaring and flattening
12.Note:We can produce other standard as the customers' requirement