Hastelloy C276 (UNS N10276, W.Nr. 2.4819)

monel 400 (uns no4400, w.nr.2.4360, nicu30fe)

Commercially pure nickel with minimum 99.6% nickel content for exceptional purity and consistency. Offers outstanding resistance to caustic alkalis, chlorine, and a wide range of corrosive environments. Exhibits excellent electrical and thermal conductivity for electronic and electrical applications. Available in multiple forms including bar, sheet, plate, pipe, wire, and strip.

Hastelloy C276 (UNS N10276, W.Nr. 2.4819)

Nickel-chromium-molybdenum alloy with exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking.
Outstanding performance in oxidizing and reducing environments, including wet chlorine, formic acid, and acetic acid.
Low carbon content eliminates the need for post-weld heat treatment for as-welded service.
Available in bar, sheet, plate, pipe, fittings, wire, and forgings to suit diverse applications

Hastelloy C276 is a nickel-molybdenum-chromium alloy with excellent corrosion resistance in a wide range of severe environments.

Hengyi Metal is a trusted Hastelloy C276 supplier providing high-quality alloy materials for global industries

We also supply various alloys as a professional alloy supplier
Looking for a reliable Hastelloy C276 supplier?
Contact us now for a quotation.
Email: sales@hengyimetal.com
WhatsApp: +86 19521258704

Product Details

Hastelloy C276 (UNS N10276, W.N.r2.4819) is a solid-solution strengthened alloy that offers exceptional corrosion resistance across a broad spectrum of aggressive media. The alloy’s low carbon content minimizes carbide precipitation during welding, eliminating the need for post-weld heat treatment and making it suitable for as-welded service in severe environments. Typical applications include chemical reactors, heat exchangers, pollution control scrubbers, flue gas desulfurization systems, and pharmaceutical equipment. Each product is supplied with full material traceability and mill test certificates (EN 10204 Type 3.1) upon request.
Learn more about Hastelloy C276 Propeties

Technical Specifications

Parameter	Details
UNS Number	N10276
Wnr	2.4819
Standards	ASTM B575, B574, B619, B622, ASME SB-575, SB-574, SB-619, SB-622, AMS 5788, AMS 5830
Density	8.89 g/cm³ (0.321 lb/in³)
Melting Range	1325 – 1370°C (2415 – 2500°F)
Tensile Strength (Annealed)	690 – 790 MPa
Yield Strength (Annealed)	280 – 350 MPa
Elongation (Annealed)	40 – 60%
Hardness (Annealed)	200 – 240 HB

Chemical Composition

Element	Content (%)
Nickel (Ni)	57.0 (balance)
Chromium (Cr)	14.5 – 16.5
Molybdenum (Mo)	15.0 – 17.0
Iron (Fe)	4.0 – 7.0
Tungsten (W)	3.0 – 4.5
Cobalt (Co)	2.5 max
Manganese (Mn)	1.0 max
Carbon (C)	0.010 max
Silicon (Si)	0.08 max
Vanadium (V)	0.35 max
Phosphorus (P)	0.030 max
Sulfur (S)	0.030 max

Physical Properties

Property	Value
Density	8.89 g/cm³ (0.321 lb/in³)
Melting Range	1325 – 1370°C (2415 – 2500°F)
Electrical Resistivity	1.28 µΩ·m (20°C)
Thermal Conductivity	10.8 W/m·K (20°C)
Coefficient of Thermal Expansion	11.2 µm/m·°C (20 – 100°C)
Modulus of Elasticity	205 GPa
Magnetic Properties	Non-magnetic

Mechanical Properties (Annealed)

Property	Typical Value
Tensile Strength	690 – 790 MPa (100 – 115 ksi)
Yield Strength (0.2% Offset)	280 – 350 MPa (40 – 50 ksi)
Elongation	40 – 60%
Hardness	200 – 240 HB
Impact Strength (Charpy V-Notch)	200 – 300 J

Available Forms & Specifications

Product Form	Size Range	Specifications
Bar & Rod	3mm – 300mm diameter	ASTM B574, ASME SB-574
Sheet & Plate	0.5mm – 100mm thickness	ASTM B575, ASME SB-575
Pipe & Tube	Custom sizes	ASTM B619, B622, ASME SB-619, SB-622
Fittings	Custom configurations	ASTM B366, ASME SB-366
Wire	0.1mm – 12mm diameter	ASTM B574
Forgings	Custom configurations	ASTM B564, ASME SB-564

Applications

Industry	Applications
Chemical Processing	Reactors, heat exchangers, distillation columns, evaporators, pressure vessels
Pollution Control	Flue gas desulfurization (FGD) systems, scrubbers, stack liners, dampers
Pharmaceutical	Reactors, storage tanks, processing equipment
Oil & Gas	Sour gas service, downhole tools, wellhead components
Pulp & Paper	Bleach plants, digesters, chlorine dioxide equipment
Nuclear	Fuel reprocessing, waste treatment
Aerospace	Engine components, fasteners, hydraulic systems

Alloy	ASTM	DIN	GB
Alloy	ASTM	DIN	New grades	Old grades
Hastelloy C-22	UNS N06022	2.4602	NS3308
Hastelloy C-276	UNS N10276	2.4819	NS3304	NS334
Hastelloy C-4	UNS N06455	2.4610
Hastelloy C-2000	UNS N06200	2.4675
Hastelloy C-59	UNS N06059	2.4605
Hastelloy B	UNS N10001		NS3201	NS321
Hastelloy B-2	UNS N10665	2.4617	NS3202	NS322
Hastelloy B-3	UNS N10675	2.4615	NS3203
Hastelloy X	UNS N06002	2.4613
Hastelloy G30	UNS N06030	2.4603