Stainless Steel Welded Pipe
- We offer high-quality ERW stainless steel pipes in 304 and 316L. Using high-frequency current, the ERW process ensures strong, uniform seams with smooth weld beads, precise dimensions, and excellent corrosion resistance. The narrow heat-affected zone preserves material integrity. Complying with ASTM A312 and bright-annealed for a clean finish, our pipes are ideal for fluid transport, food-grade piping, chemical, and architectural uses.
Application:
Stainless steel welded pipes are integral components across a vast spectrum of industries due to their blend of strength, hygiene, and aesthetic appeal. In the architectural and construction sector, these pipes are widely utilized for handrails, balustrades, street furniture, and interior design elements, where their bright, polished finish provides a modern look while resisting atmospheric corrosion. For structural applications, their high strength-to-weight ratio makes them suitable for load-bearing frameworks in industrial sheds and greenhouses.
In the food and beverage industry, grade 304 and 316L welded pipes are the gold standard for processing lines. They are employed to transport milk, beer, wine, and soft drinks because their smooth, non-porous surface prevents bacteria accumulation and does not taint the product. The pipes are easy to clean and withstand rigorous CIP (Clean-in-Place) chemicals. Similarly, in the pharmaceutical and biotechnology fields, these pipes are critical for high-purity water systems and solvent transfer, ensuring zero contamination.
The petrochemical and oil and gas industries rely on our 316L welded pipes for heat exchangers, condenser tubes, and process piping. The molybdenum content in 316L grants exceptional resistance to chlorides and acidic media, preventing pitting and crevice corrosion in harsh offshore and chemical environments. Furthermore, these pipes are used in water treatment plants for both desalination and wastewater management, resisting the corrosive effects of saline and chemically treated water. Their consistent wall thickness and concentricity ensure reliable flow rates and pressure containment, making them an economical and durable solution for complex fluid handling systems.
Specification:
| SPECIFICATION STANDARD(STEEL PIPE) | |||||||||||||||||||
| Normal Diameter | OD(MM) | WALL THICKMESS(MM) | |||||||||||||||||
| ANSI B36.10M | ANSI B36.19M | ||||||||||||||||||
| A(MM) | B(INCH) | ASME | SCH5/5S | SCH10S | SCH10 | SCH20 | SCH30 | STD | SCH40 | SCH40S | SCH60 | XS | SCH80 | SCH80S | SCH100 | SCH120 | SCH140 | SCH160 | XXS |
| 6 | 1/8" | 10.29 | 1.24 | 1.24 | 1.45 | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 | 2.41 | ||||||||
| 8 | 1/4" | 13.72 | 1.65 | 1.65 | 1.85 | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 | 3.02 | ||||||||
| 10 | 3/8" | 17.14 | 1.65 | 1.65 | 1.85 | 2.31 | 2.31 | 2.31 | 3.2 | 3.2 | 3.2 | ||||||||
| 15 | 1/2" | 21.34 | 1.65 | 2.11 | 2.11 | 2.41 | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 | 3.73 | 4.78 | 7.47 | |||||
| 20 | 3/4" | 26.67 | 1.65 | 2.11 | 2.11 | 2.41 | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 | 3.91 | 5.56 | 7.82 | |||||
| 25 | 1" | 33.40 | 1.65 | 2.77 | 2.77 | 2.9 | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 | 4.55 | 6.35 | 9.09 | |||||
| 32 | 1.1/4" | 42.16 | 1.65 | 2.77 | 2.77 | 2.97 | 3.56 | 3.56 | 3.56 | 4.85 | 4.85 | 4.85 | 6.35 | 9.7 | |||||
| 40 | 1.1/2" | 48.26 | 1.65 | 2.77 | 2.77 | 3.18 | 3.68 | 3.68 | 3.68 | 5.08 | 5.08 | 5.08 | 7.14 | 10.15 | |||||
| 50 | 2" | 60.32 | 1.65 | 2.77 | 2.77 | 3.18 | 3.91 | 3.91 | 3.91 | 5.54 | 5.54 | 5.54 | 8.74 | 11.07 | |||||
| 65 | 2.1/2" | 73.02 | 2.11 | 3.05 | 3.05 | 4.78 | 5.16 | 5.16 | 5.16 | 7.01 | 7.01 | 7.01 | 9.53 | 14.02 | |||||
| 80 | 3" | 88.90 | 2.11 | 3.05 | 3.05 | 4.78 | 5.49 | 5.49 | 5.49 | 7.62 | 7.62 | 7.62 | 11.13 | 15.25 | |||||
| 90 | 3.1/2" | 101.60 | 2.11 | 3.05 | 3.05 | 4.78 | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 | 8.08 | |||||||
| 100 | 4" | 114.30 | 2.11 | 3.05 | 3.05 | 4.78 | 6.02 | 6.02 | 6.02 | 8.56 | 8.56 | 8.56 | 11.13 | 13.49 | 17.12 | ||||
| 125 | 5" | 141.30 | 2.77 | 3.40 | 3.40 | 6.55 | 6.55 | 6.55 | 9.53 | 9.53 | 9.53 | 12.7 | 15.88 | 19.05 | |||||
| 150 | 6" | 168.28 | 2.77 | 3.40 | 3.40 | 7.11 | 7.11 | 7.11 | 10.97 | 10.97 | 10.97 | 14.27 | 18.26 | 21.95 | |||||
| 200 | 8" | 219.08 | 2.77 | 3.76 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
| 250 | 10" | 273.05 | 3.40 | 4.19 | 4.19 | 6.35 | 7.8 | 9.27 | 9.27 | 9.27 | 12.7 | 12.7 | 15.09 | 12.7 | 18.26 | 21.44 | 25.4 | 28.58 | 25.4 |
| 300 | 12" | 323.85 | 3.96 | 4.57 | 4.57 | 6.35 | 8.38 | 9.53 | 10.31 | 9.53 | 14.27 | 12.7 | 17.48 | 12.7 | 21.44 | 25.4 | 28.58 | 33.32 | 25.4 |
| 350 | 14" | 355.60 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 9.53 | 15.09 | 12.7 | 19.05 | 12.7 | 23.83 | 27.79 | 31.75 | 35.71 | |
| 400 | 16" | 406.40 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 9.53 | 16.66 | 12.7 | 21.44 | 12.7 | 26.19 | 30.96 | 36.53 | 40.49 | |
| 450 | 18" | 457.20 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 9.53 | 19.05 | 12.7 | 23.83 | 12.7 | 29.36 | 34.93 | 39.67 | 45.24 | |
| 500 | 20" | 508.00 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | 9.53 | 15.09 | 9.53 | 20.62 | 12.7 | 26.19 | 12.7 | 32.54 | 38.1 | 44.45 | 50.01 | |
| 550 | 22" | 558.80 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | 9.53 | 22.23 | 12.7 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | ||||
| 600 | 24" | 609.60 | 5.54 | 6.35 | 6.35 | 9.53 | 14.27 | 9.53 | 17.48 | 9.53 | 24.61 | 12.7 | 30.96 | 12.7 | 38.89 | 46.02 | 52.37 | 59.54 | |
| 650 | 26" | 660.40 | 7.92 | 12.7 | 9.53 | 12.7 | |||||||||||||
| 700 | 28" | 711.20 | 7.92 | 12.7 | 15.88 | 9.53 | 12.7 | ||||||||||||
| 750 | 30" | 762.00 | 6.35 | 7.92 | 12.7 | 15.88 | 9.53 | 12.7 | |||||||||||
| 800 | 32" | 812.00 | 7.92 | 12.7 | 15.88 | 9.53 | 17.48 | 12.7 | |||||||||||
| 850 | 34" | 863.60 | 7.92 | 12.7 | 15.88 | 9.53 | 17.48 | 12.7 | |||||||||||
| 900 | 36" | 914.40 | 7.92 | 12.7 | 15.88 | 9.53 | 19.05 | 12.7 | |||||||||||
Standard:
| Classification | Main Products | Chemical Composition | Mechanical Properties |
| Austenitic | 304/304L | C≤0.08%, Mn≤2.00%, Si≤1.00%, Cr: 18.0-20.0%, Ni: 8.0-10.5%, P≤0.045%, S≤0.030% | Tensile Strength ≥515 MPa, Yield Strength ≥205 MPa, Elongation ≥35%, Hardness ≤90 HRB |
| Austenitic | 316L | C≤0.03%, Mn≤2.00%, Si≤1.00%, Cr: 16.0-18.0%, Ni: 10.0-14.0%, Mo: 2.0-3.0%, P≤0.045%, S≤0.030% | Tensile Strength ≥485 MPa, Yield Strength ≥170 MPa, Elongation ≥35%, Hardness ≤90 HRB |
Process:

Packing:




