A358 304L Stainless Steel Welded Pipe
GNEE sells over 1,500 tons of seamless and welded steel pipes annually to various engineering industries. Our goal is to ensure that our customers have the highest expectations in terms of delivery and product quality of A358 304L EFW Round Tube.
A358 304L Welded Stainless Steel Pipes are designed with superior strength and enhanced hardness. These pipes have a minimum tensile strength of 70Ksi and a minimum yield strength of 30ksi. A358 304L CL1 EFW Pipes shall be double welded using a process with filler metal in all passages and shall be fully radiographed.
A358 304L SS Welded Pipes are suitable for high temperature environments such as piping systems in boilers, heat exchangers, and chemical plants. Available in various sizes and specifications as per customer requirements.
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Stainless Steel 304L EFW Pipes Equivalent Grade
| Standard | SS 304L |
| WERKSTOFF NR. | 1.4306 / 1.4307 |
| UNS | S30403 |
| JIS | SUS 304L |
| BS | 3304S11 |
| GOST | 03Х18Н11 |
| AFNOR | Z3CN18‐10 |
| EN | X2CrNi18-9 / X2CrNi19-11 |
Chemical Composition of ASTM A358 SS 304/304L EFW Pipe
| Element | SS 304L |
| C | 0.035 max |
| Mn | 2.0 max |
| Si | 1.0 max |
| P | 0.045 max |
| S | 0.03 max |
| Cr | 18 – 20 |
| Ni | 8 – 13 |
A358 304L austenitic welded pipe

Why choose us
gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
Gnee Company Team

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4.Quality Control
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