Top SA-240/SB-625, A 240 Stainless Steel Welded Pipe Supplier in China
Discover our premium A 240 Stainless Steel Welded Pipes, engineered for maximum durability and corrosion resistance. Manufactured to meet rigorous standards like SA-240 and SB-625, they ensure reliable, long-lasting performance for your most demanding industrial and pressure vessel applications.
SA-240/SB-625, A 240 welded pipe - Detailed Specifications
| Specification Parameter | Details |
|---|---|
| Pipe Manufacturing Standard | ASTM A312, ASTM A358, ASTM A790, ASME SA312 |
| Raw Material Specification | ASME SA-240 (for Stainless Steel), ASME SB-625 (for Nickel Alloy 625) |
| Common Stainless Steel Grades | 304/304L, 316/316L, 310S, 321, 347, Duplex 2205 (UNS S32205) |
| Nickel Alloy Grades | Alloy 625 (UNS N06625) |
| Outer Diameter (OD) | 1/2 NPS to 48" NPS (21.3mm to 1219.2mm)" |
| Wall Thickness (WT) | Schedule 5S, 10S, 40S, 80S, XS, XXS (1.65mm to 50mm) |
| Length | Up to 12 meters (40 ft), or custom lengths as required |
| Welding Method | EFW (Electric Fusion Welded), ERW (Electric Resistance Welded) |
| Pipe Ends | Plain End (PE), Beveled End (BE), Threaded |
| Testing & Inspection | Hydrostatic Test, NDT (Radiographic, Ultrasonic), Chemical Analysis, Mechanical Testing (Tensile, Bend), PMI |
| Surface Finish | No. 1 Pickled Finish, Bright Annealed, Polished (e.g., #180, #240, #320 Grit) |
Understanding SA-240/SB-625, A 240
What It Is:
These standards are the blueprint for the raw material, defining the essential chemical and mechanical properties of the plate before welding.
ASME SA-240: The definitive specification for stainless steel plate (e.g., 304/316L) used in pressure vessels, governing its chemical makeup, mechanical strength, and heat treatment.
ASME SB-625: Specifically covers high-performance Nickel Alloy 625 (UNS N06625) plate, guaranteeing its superior performance in extreme corrosion and high-temperature environments.
Source of Quality: Our A 240 welded pipes are exclusively manufactured from plate fully conforming to these standards, locking in quality from the very beginning.
Why It Is Your Core Focus:
Adhering to these standards is more than a rule; it’s our unwavering commitment to your project’s safety, reliability, and ultimate success.
Safety & Reliability: Strict adherence ensures predictable performance under design pressure and temperature, mitigating risks from material defects and guaranteeing long-term operational integrity.
Guaranteed Performance: These standards certify the material’s corrosion resistance and strength, ensuring our pipes perform consistently in demanding chemical, marine, and energy applications.
Full Traceability & Compliance: Every pipe is traceable to its certified raw material plate, complete with a Material Test Certificate (MTC) for seamless project audits and approvals.
SA-240/SB-625, A 240 Stainless Steel Material Properties
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.03 - 0.10 |
| Chromium (Cr) | 16.0 - 23.0 |
| Nickel (Ni) | 4.5 - 14.0 (Stainless) / ≥58.0 (Alloy 625) |
| Molybdenum (Mo) | 2.0 - 10.0 (when present) |
| Manganese (Mn) | 0.50 - 2.00 |
| Silicon (Si) | 0.50 - 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Other | N, Nb (grade-specific) |
| Property | Property Value |
|---|---|
| Tensile Strength | 70 - 120 ksi (485 - 827 MPa) |
| Yield Strength (0.2% Offset) | 25 - 65 ksi (170 - 450 MPa) |
| Elongation in 2 (50mm)" | 25% - 40% |
| Hardness | Varies by grade (e.g., ≤217 HBW to ≤293 HBW) |
Versatile Applications of SA-240/SB-625, A 240 Welded Pipe
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