ET Duplex Steel S31803 Seamless Pipe 88.9×3.05mm Cold Rolled ASTM A312 304L/316L
ET 88.9×3.05MM cold rolled S31803 duplex steel seamless pipe designed for industrial fluid and gas transport applications. Manufactured to ASTM A312 standards with comprehensive quality assurance.
| Parameter | Specification |
|---|---|
| Outer Diameter | 13.7-457.2mm (1/4"-18") |
| Wall Thickness | 2.11-23.83mm (Sch5s-XXS) |
| Schedule | 10/10S, 40/40S, 80/80S |
| Material Grade | 304L/316L (TP304L/1.4307, TP316L/1.4404) |
| Element | TP304L/1.4307 | TP316L/1.4404 |
|---|---|---|
| C(max) | 0.035 | 0.035 |
| Si(max) | 1.00 | 1.00 |
| Mn(max) | 2.00 | 2.00 |
| P(max) | 0.045 | 0.045 |
| S(max) | 0.030 | 0.030 |
| Cr | 18.0-20.0 | 16.0-18.0 |
| Ni | 8.0-13.0 | 10.0-14.0 |
| Mo | - | 2.0-3.0 |
- NDT (Ultrasonic test, Eddy Current test)
- Mechanical Test (Tension, Flaring, Flattening, Hardness, Hydraulic)
- Metal Test (Metallographic Analysis, Impact Test-High/low temperature)
- Chemical Analysis (Photoelectric Emission Spectroscopic)
ISO9001:2015, PED certified manufacturing processes with 100% inspection for dimensional accuracy, chemical components, and mechanical properties.
- Process Method: Cold Drawn/Cold Rolled
- Surface Finish: Pickling annealed
- Package: Woven bags for cabinets
- Delivery Time: 2 weeks
Ideal for fluid and gas transport systems, structural applications, and machining operations across various industrial sectors.
Bigger: 10,000+ square meters warehouse with 2,000+ tons of ASTM A312 TP304/L, TP316/L pipe inventory.
Faster: 2-week inspection and shipping commitment reduces financial pressure and improves satisfaction.
Cheaper: 15 years of seamless stainless steel pipe expertise enables competitive pricing and market-responsive solutions.
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