St37.4 Cold Rolled Steel Tube

St37.4 Cold Rolled Steel Tube

Application

High Precision Cold Rolled Seamless Steel Tube is used in automotive industry, and in the occasion where the high accuracy, brightness, cleanness of the tube are required.

Standard

A519, BS6323, DIN2391, EN10305, GB3639

Material

St37.4, St35, St52, E355, S355JR, 1020, 1045, 1026, 4130, 4140, 8620, 34CrMo4...

Wall Thickness

2mm~25mm

Outside Diameter

10mm~250mm

Lenght

6m,5.8m,12m or be required

Price Term

FOB,CFR,CIF

Delivery Time

Prompt delivery as products in stock.

Package

bared,bundled,wooden box packing for export standard packge

Dimension tolerance

Chemical composition(%):

Delivery Conditions

+C (BK) Hard. No final treatment after final cold rolling.
+LC (BKW) Soft. Final heat treatment is followed by a suitable drawing pass (limited reduction of area).
+SR (BKS) Stress Relieved. After final cold rolling, the tubes are stress relieved in a controlled atmosphere.
+A (GBK) Annealed. After final cold rolling, the tubes are annealed in a controlled atmosphere.
+N (NBK) Normalized. After final cold rolling, the tubes are normalized in a controlled atmosphere.