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Why Choose Our Nickel Alloys?
- Full ASTM/ASME/AWS compliance with complete MTC
- Wide size range and short lead times
- Custom sizes, lengths, and end finishes available
- Strict quality control: ultrasonic, eddy current, hydrostatic testing
- Professional technical support for material selection and design
Nickel alloys are high-performance metallic materials engineered for extreme corrosion resistance, high-temperature strength, creep resistance, and structural stability. They are widely used in oil & gas, chemical processing, power generation, marine engineering, aerospace, pharmaceutical, and high-pressure industrial systems. Our products comply with ASTM, ASME, AWS, ANSI B16 series standards and support full traceability, mill test certification (MTC), and third-party inspection.
Standard Nickel Alloy Grades (UNS & Common Names)
| Grade | UNS | Key Features | Typical Environment |
|---|---|---|---|
| Nickel 200/201 | N02200/N02201 | Pure nickel, low carbon, good ductility | Caustic service, food processing, electronics |
| Monel 400 | N04400 | Nickel-copper alloy, seawater & acid resistance | Marine, offshore, saltwater systems |
| Inconel 600 | N06600 | Nickel-chromium-iron, oxidation & heat resistance | Furnace parts, heat exchangers |
| Inconel 625 | N06625 | High strength, pitting & crevice corrosion resistance | Oil & gas, sour service, seawater |
| Incoloy 800/800H/HT | N08800/N08810/N08811 | High-temperature creep strength | Petrochemical furnaces, boiler tubes |
| Incoloy 825 | N08825 | Nickel-iron-chromium-molybdenum-copper | Reducing/oxidizing acids, stress corrosion |
| Hastelloy C276 | N10276 | Ultra corrosion resistance to acids & chlorides | Chemical processing, flue gas desulfurization |
| Alloy 20 | N08020 | Austenitic nickel-iron-chromium | Sulfuric acid, corrosive chemical service |
Product Forms & Applicable Standards
1. Nickel Alloy Seamless Pipe
- Standards: ASTM B161, B163, B165, B167, B407, B423, B622, B829
- Dimensions: NPS 1/8″ – 24″, ASME B36.10M / B36.19M
- Pressure: SCH 5S, 10S, 40S, 80S, SCH160, XXS
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2. Nickel Alloy Welded Pipe
- Standards: ASTM B464, B514, B619, B725, B775
- Dimensions: NPS 1/2″ – 30″
- Applications: Medium-to-high pressure corrosive lines
3. Nickel Alloy Flanges
- Material: ASTM B564 / ASME SB564
- Dimension: ASME B16.5 (1/2″–24″), B16.47 (26″–60″)
- Pressure Class: 150#, 300#, 600#, 900#, 1500#, 2500#
- Types: Weld Neck (WN), Slip-On (SO), Socket Weld (SW), Blind, Threaded, Lap Joint
4. High-Pressure Pipe Fittings
- Standards: ASTM B366, ASME B16.9, B16.11, MSS SP-97
- Pressure: 3000#, 6000#, 9000#; SCH 80S, XS, SCH160, XXS
- Types: Elbow, Tee, Reducer, Cap, Cross, Weldolet, Sockolet
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5. Nickel Alloy Bars (Round, Hex, Flat)
- Standards: ASTM B160, B164, B166, B446, B574, B637, B649
- Diameter: 3mm – 400mm
- Condition: Hot-rolled, cold-drawn, peeled, centerless ground
6. TIG / MIG Welding Wires
- Standards: AWS A5.14 (solid wire), AWS A5.34 (cored wire)
- Grades: ERNi-1, ERNiCu-7, ERNiCr-3, ERNiCrMo-3, ERNiCrMo-4
- Diameter: 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.4mm, 3.2mm
Key Properties
- Superior corrosion resistance to acids, alkalis, chlorides, seawater, and hydrogen sulfide
- Excellent high-temperature strength and oxidation resistance up to 1000°C+
- Good mechanical properties, weldability, and formability
- Stable structure under long-term high-pressure and cyclic loading
- Full compliance with NACE MR0175/ISO 15156 for oil & gas sour service
Typical Applications
- Oil & Gas: Wellhead, flow lines, manifolds, injection systems
- Chemical Processing: Reactors, acid pipelines, storage tanks
- Power Generation: Boiler tubes, heat exchangers, furnace parts
- Marine & Offshore: Seawater systems, desalination, platform piping
- Pharmaceutical & Food: Hygienic process lines, high-purity equipment
- Aerospace & Industrial: High-temperature components, shafts, fasteners
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