
Alloy 31 Heat Exchanger Tubes
1. Standard: ASTM B622, ASTM SB 622
2. OD Sizes: 1/2” - 48”
3. Thickness: SCH5~SCHXXS
4. Type: Seamless / Welded / ERW / EFW / SAW
Alloy 31 (UNS N08031, 1.4562) is a nickel-based alloy. It is highly resistant to a wide range of acidic media such as sulfuric, phosphoric and nitric acid. It resists pitting, crevice corrosion and stress corrosion cracking in chloride and other halogen environments. Alloy 31 is well suited for heat exchanger tubes. We at Alloy 31 Suppliers offer reasonable prices and custom designs of heat exchangers/condensers.
ASTM B622 UNS N08031 Material Testing:
- Positive Material Identification Test
- Chemical Testing
- Micro, Macro Testing
- Mechanical Testing: Tensile, Flaring, Flattening and Reverse Flattening Tests
- Intergranular Corrosion Test
- Pitting Resistance Test

Alloy 31 Pipes & Tubes Specification:
- Grade: Alloy 31 / UNS N08031 / WNR 1.4562
- Specifications: ASTM B622 / ASME SB622
- Form: Rectangular, Round, Square, Etc.
- Length: Double Random, Single Random, Cut Length.
- End: Beveled End, Plain End, Treaded End.
- Type: Seamless, Welded, Fabricated, ERW, EFW
- Seamless Size: 1 / 2" NB - 8" NB
- Welded Size: 6" NB - 24" NB
- Thickness: 0.3mm – 50 mm
- Outer Diameter: 6.0-630mm
- Alloy 31 Tube Range: Round Tube, High Pressure Tubes, Seamless Cold Rolled Coiled Tubing, Capillary Tubing, Seamless U-Bended Heat Exchanger Tubes, Instrumentation Tubes, etc.
Alloy 31 Heat Exchanger
A heat exchanger is a heat transfer device. It is generally a seamless or welded tube with an outer diameter ranging from 12.7 mm to 60.3 mm and a relatively thin wall. The tube is usually connected to the tube sheet by rolling or welding. Heat exchanger tubes can be made into straight tubes, U-tubes, coils or serpentine tubes. Contact us for more information and a free quote!
ASTM B622 UNS N08031 Material Testing
- Positive Material Identification Test
- Chemical Testing
- Micro, Macro Testing
- Mechanical Testing: Tensile, Flaring, Flattening and Reverse Flattening Tests
- Intergranular Corrosion Test
- Pitting Resistance Test
Packaging
ALLOY 31 heat exchanger/condenser is secured with bubble wrap and then packed into wooden crates/pallets to ensure safety during transportation.
FAQ
Q: About Alloy 31 Heat Exchanger Tubes price per kg?
Q: How long does your delivery time take?
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Q: Exported Countries
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