We are able to offer 1/8"-1/2" OD Bared Control Line Tubing with material Austentic Steel 304L( UNS S30403) , Wall Thickness 0.02", 0.028", 0.035", 0.049", 0.065" and 0.083" and 60-120 Mpa Working pressure. Our manufacture processes are portrait welded + seamless treatment on surface, and our products conform to the standards of ASTM A269, ASTM-A 632, ASTM-A 789 and ASTM-B 704 and related industrial standards. Length can also be customized according to customer requirements.
Size Chart
| OD | Wall (inch) | Materials | Standard | Working Pressure (MPa) | Length |
| 1/8" | 0.02,0.028,0.035 | Austenitic steel 304L (UNS S30403) | ASTM-A 269 | 60-120 Mpa | Customized |
| 3/16" | 0.02,0.028,0.035,0.049 | ||||
| 1/4" | 0.02,0.028,0.035,0.049,0.065.0.083 | ||||
| 5/16" | |||||
| 3/8" | |||||
| 1/2" | |||||
| OD: Up to 1 Inch The specification and length per coil can be customized according to customer’s requirements. | |||||
With superior quality and competitive price, we are enjoying a good reputation in trading with foreign customers. We are always ready to establish long-term, reliable and mutually beneficial business relationships with customers who need our services.
Chemical Composition
| Composition (%) | ||||
| Standard | ASTM A269 | |||
| Material | SS 304 | SS 304L | SS 316 | SS 316L |
| UNS | S30400 | S30403 | S31600 | S31603 |
| C | 0.080 | 0.035 | 0.080 | 0.035 |
| Mn | 2.00 | 2.00 | 2.00 | 2.00 |
| P | 0.045 | 0.045 | 0.045 | 0.045 |
| S | 0.030 | 0.030 | 0.030 | 0.030 |
| Si | 1.00 | 1.00 | 1.00 | 1.00 |
| Ni | 8.0-11.0 | 8.0-12.0 | 10.0-14.0 | 10.0-15.0 |
| Cr | 18.0-20.0 | 18.0-20.0 | 16.0-18.0 | 16.0-18.0 |
| Mo | ... | ... | 2.00-3.00 | 2.00-3.00 |

FAQ
Q1: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q2: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.
Q3. Can you provide customize service?
A: Yes.Pipes can be customized as per the customers' request.
Q4. How to ensure the quality?
A:Mill Test Certificate is supplied with shipment.
If needed, a Third Party Inspection is acceptable.