Ganyeah Group manufacture & Export Pipes and tubes as per ASTM A269 / ASME SA269 Stainless Steel Tubes specification covers nominal-wall-thickness,welded austenitic steel tubing for general corrosion-resisting and low or high-temperature service.
We deliver ASTM A269 / ASME SA269 Stainless Steel Tubes with complete EN 10204:3.1/3.2 certification.
Spec: ASTM A269 / ASME SA269
Grades (Stainless Steel):
304, 304L, 304H, 316, 316L, 316H, 316Ti, 321/321H, 347/347H, 317L, 310s, 310H, 310, 904L, Duplex stainless steel (2205, UNS No. S31803/32205) and Super Duplex stainless steel (2507, UNS Ni. S32750/32760)
Size Range of Tubes:
1/8" (3.175mm) OD to 6" (152.4mm) OD; 0.7mm to 25.4mm thickness
Customized dimensions & Sizes can be produced in-house with our draw bench and Pilgering. Annealing, Pickling and passivation facilities are in-house as well. Outer polishing and electropolishing can also be made available on request.
Pipe Markings:ASTM A269 / ASME SA269 Stainless Steel Tubes
The full identification of the pipe should be continuously marked down its whole length, including:
Nominal Pipe Size (Nominal Bore)
Schedule (Wall Thickness)
Specification
Grade
Method of Manufacture (Welded)
Heat Number
Manufacturer's Name or Symbol
| 316 | 316L | |
| Typical Chemical Requirements: | ||
| Carbon Max | 0.08 | 0.035 |
| Manganese Max | 2.00 | 2.00 |
| Phosphorous Max | 0.040 | 0.040 |
| Sulfur Max | 0.030 | 0.030 |
| Silicon Max | 1.0000 | 1.00 |
| Chromium Range | 16.0-18.0 | 16.0-18.0 |
| Nickel Range | 11.0-14.0 | 10.0-15.0 |
| Molybdenum Range | 2.0-3.0 | 2.0-3.0 |
| Mechanical Properties: | ||
| Tensile Strength Min | 75 ksi | 75 ksi |
| Yield Strength Min | 30 ksi | 30 ksi |
| Elongation Min in 2" | 35% | 35% |
