1. Standard:
DIN2393 Precision Seamless Steel tubes for precision
2. Steel Grade:
St 30SI, St 30 Al, St35,St45, St52, other materials upon agreement with customers.
3. Production method:
Cold drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance
4.Size range:
O.D.:20-220mm W.T.:1-15mm L:max12000mm
5. Packing:
In Hexagonal Bundles, wth anti-rust oil protection, with seaworthy packing
6.Deliver condition:
1). BK Cold finished (hard)
2). BKW Cold finished (soft)
3). BKS Cold finished and stress relieved
4). GBK Annealed
5). NBK Normalized