DIN 2391 Seamless Cold Rolled Steel Tube for cold rolled mechnical
1) Material: S355JR
2) Standards: En10305, DIN 2391, BS6323,ASTM A519
3) Use: 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.
Outer Diameter: 10-150 mm
Wall Thickness: 2-25 mm
Length Random Length, Fixed Length, etc.
5) Chemical requirement:
C: 0.22%max; Si: 0.55%max; Mn: 1.60%max; P: 0.025%max; S:
6) Dimension tolerance:
|I.D tolerance (mm)||O.D tolerance (mm)||I.D Roughness (µm)||Straightness (mm/meter)|
7) 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.
1.Reasonable price with excellent quality
2.Abundant stock and prompt delivery
3.Rich supply and export experience, sincere service
4.Reliable forwarder, 2-hour away from port.
9) Our Services
Third Party inspection acceptable. such as SGS, BV etc.
Supplying financial support with usance L/C 180 days after B/L
Please feel free to contact us again if you have any further
questions. We look forward to receiving an order from you.