Carbon steel pipe is a spiral seam steel pipe with a steel coiled plate as a raw material, which is often extruded and formed by welding with an automatic double-wire submerged arc welding process. The spiral steel pipe feeds the strip steel into the welded pipe unit, and after being rolled by multiple rollers, the strip steel is gradually rolled up to form a round tube blank with an open gap. 3mm, and make the two ends of the welding port flush.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
JIS G3101 Carbon Steel Tubes for Structural Purposes
SS330, SS400, SS540
OD: 6-88mm, WT: 1-15mm
Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel
TS16949, ISO 9001
Bundles or Wooden Boxes
1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality. You need to in charge of Express costs.
2. How about your production capacity?
3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.
4. Where is your factory?
Jiaxing city, 2 hours away from Shanghai.
5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade 3). Tube Size and Size Tolerance
4). Tube length 5). Quantity 6). If any special requirements
6. How about the minimum order quantity?
Normally for one size above 1 ton.