DIN 2391 precision standard Seamless Cold Rolled Steel Tube for
mechnical purpose St37.4
St37.4 Cold rolled seamless steel pipe
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.
A519, BS6323, DIN2391, EN10305, GB3639
St37.4, St35, St52, E355, S355JR, 1020, 1045, 1026, 4130, 4140,
6m,5.8m,12m or be required
Prompt delivery as products in stock.
bared,bundled,wooden box packing for export standard packge
|I.D tolerance (mm)||O.D tolerance (mm)||I.D Roughness (µm)||Straightness (mm/meter)|
+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.
a. length:≤5.8m loaded in 20FT Container with 25-27tons
b.length:≤11.8m loaded in 40FT Container with 25-27tons
Trade Terms: FOB / CIF / CFR
Payment Terms: LC TT
Loading Port: Shanghai port, China.
Delivery: 3-4 weeks after received deposit
Please feel free to contact us again if you have any further
questions. We look forward to receiving an order from you.