Steel Precision Tubes En10305-2 High Precision Cold Drawn Welded Pipe
Steel precision cold drawn welded tubes, are produced by cold drawing over mandrel and die on the ERW welded steel tube, to achieve better tolerance and good concentricity, both outside and inside weld seam is completely removed during the cold drawing process.
1. Standard of EN10305-2 cold drawn welded steel precision tubes:
EN10305-2 Cold Drawn Precision Seamless Steel Pipes
2. Steel Grade:
E155,E195,E235,E275,E355.
3. Delivery condition: +C +LC +SR +A +N
1). +C: No heat treatment after the final cold drawig process
2). +LC: After the final heat treatment there is a suitable drawing pass
3). +SR: After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
4). +A: After the final cold drawing process the tubes are annealed in a controlled atmosphere
5). +N: After the final cold drawing operation the tubes are normalized in a controlled atmosphere
4.Packing method: It will be more stable for packing in wooden cases to prevent bad weather, extrusion,bending, etc.
Packing in woven bags is a economic way when you can load in a full container.
5.Steel Grade and Chemical Compositions:
| Steel Grade | C | Si | Mn | P | S |
| Steel Name | Steel Number | max | max | max | max | max |
| E155 | 1.0033 | 0.11 | 0.35 | 0.70 | 0.025 | 0.025 |
| E195 | 1.0034 | 0.15 | 0.35 | 0.70 | 0.025 | 0.025 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 |
| E275 | 1.0225 | 0.21 | 0.35 | 1.40 | 0.025 | 0.025 |
| E355 | 1.0580 | 0.22 | 0.35 | 1.60 | 0.025 | 0.025 |
6. Production method:
Cold drawn on the weled steel tubes, to reach high accuracy on the OD and WT tolerance
7.Size range:
O.D.:20-350mm W.T.:1-35mm L:max12000mm or according to customer's requirement.
8. Packing:
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing.
9.Steel precision tubes display after production:
10.Packing method:
FAQ
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us
Q:What is your payment method?
A:30% deposit in advance, 70% paid before shipment.
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