DIN 2391 Seamless Cold Rolled Steel Tube for mechnical processing
|Type||China made cold rolled St35 seamless steel tube|
|Size||OD:10-150mm; Wt: 2-25mm|
|Chemical Composition||C: 0.17max; Si:0.35max; Mn: 0.40max; P: 0.025max; S: 0.025max.|
|Standard||DIN 2391, EN10305, GB 3639|
|Material||St35, St52, E355, S355JR, 1020, 1045, 1026, 4140, 4130, 34CrMo4,
|Packaging||painting black, pipe cap, steel strips bundled.|
|Min Order||3 ton|
|Delivery Time||5-35 days after confirmed|
|Productivity||1000 tons every month|
1.Special design available according to requirement
2.Anti-corrosion and high-temperature resistant with black painting
3.All the production process are made under the ISO9001:2000
|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.
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.