1. Standard:
ASTM A513 cold rolling welded precision steel tubes
2. Steel Grade:
SAE1010, SAE1020, other materials upon agreement with customers.
3. Production method:
Cold rolling on the weled
steel tubes, to reach high accuracy on the OD and WT tolerance
4.Size range:
O.D.:6-168mm W.T.:1-15mm L:max12000mm
5. Packing:
In Hexagonal Bundles, with anti corrosion oil protection, with seaworthy packing
Deliver condition:
1. A.W.H.R. "as welded" from hot-rolled steel
2. A.W.C.R. "as welded" from cold-rolled steel
3. S.D.C.R. "sink-drawn", cold-rolled steel
5. M.D. mandrel drawn
6. S.S.I.D. special smooth inside diameter
Please specify the delivery condition when sending the enquiry!
Thermal condition:
1. No final thermal treatment
2. Stress relieved
3. Annealed
4. Normalized