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Danyang Kaixin Alloy Material Co., Ltd.
HastelloyC-276
Product properties:

Product Name: Hastelloy C-276 Nickel Alloy

Equivalent Grades: UNS N10276 / Hastelloy C-276 / Alloy C276 / W.Nr. 2.4819

Material Type: Nickel-Chromium-Molybdenum Alloy

Product Forms: Welding Wire, TIG Rod, MIG Wire, Strip, Round Bar, Billet & Customized Products

Manufacturing Process: VIM + ESR (Vacuum Induction Melting & Electroslag Remelting)

Standards: ASTM B574, ASTM B575, ASTM B619, ASTM B622, ASTM B626, AWS A5.14, ISO 18274

Certification: ISO9001:2015, ISO45001:2018, ISO14001:2015

Manufacturer: Danyang City Kaixin Alloy Material Co., Ltd.

Email: kaixinalloy@kx-alloy.com

Phone: +86 13776484780

Product Description

Hastelloy C-276 (UNS N10276 / Alloy C276) is a nickel-chromium-molybdenum alloy with exceptional corrosion resistance, oxidation resistance, and resistance to pitting, crevice corrosion, and stress corrosion cracking. Designed for harsh environments including strong acids, chlorides, seawater, and high-temperature chemical processing conditions, it delivers reliable performance across chemical processing, oil & gas, marine, pollution control, and energy industries.

Properties & Applications

 

Hastelloy C-276 Key Features

Hastelloy C-276 offers exceptional resistance to pitting, crevice corrosion, stress corrosion cracking, oxidizing and reducing acids, chlorides, and seawater, combined with excellent weldability, superior corrosion resistance in harsh chemical environments, stable mechanical properties at elevated temperatures, and long-term reliability in demanding industrial applications. Designed for extreme service conditions, Hastelloy C-276 provides outstanding performance in chemical processing, pollution control, oil & gas, marine, and energy industries.

 

nconel 625 Product application

Inconel 625 (UNS N06625 / Alloy 625) is a high-performance nickel-chromium-molybdenum alloy widely used in industries requiring exceptional corrosion resistance, high-temperature strength, oxidation resistance, and excellent weldability. Designed for harsh service environments, Nickel Alloy 625 performs reliably under high pressure, elevated temperatures, and aggressive corrosive media.

Typical Inconel 625 applications include:

Oil & Gas: Offshore drilling platforms, subsea pipelines, wellhead equipment, valves, pressure vessels, and flowline systems.

Chemical Processing: Reactors, heat exchangers, process piping, storage tanks, and corrosion-resistant process equipment.

Marine & Offshore Engineering: Seawater piping, pumps, propulsion systems, seawater cooling systems, and offshore structures.

Power Generation: Flue Gas Desulfurization (FGD) systems, boilers, steam generators, waste heat recovery units, and high-temperature exhaust systems.

Desalination & Environmental Engineering: Seawater desalination plants, scrubbers, wastewater treatment systems, and environmental processing equipment.

Aerospace: Aircraft engine components, exhaust systems, bellows, and high-temperature structural parts.

Nuclear Power: Reactor components, steam generator tubing, primary circuit piping, and nuclear-grade pressure systems.

With its outstanding mechanical properties and long-term durability, Inconel 625 remains one of the most trusted high-temperature nickel alloys for demanding industrial applications worldwide.

 

Kaixin Alloy offers custom alloy compositions, sizes, dimensions, and product specifications according to customer requirements.

HastelloyC-276Composition content
Ni:50.98%~59.48%
Mo:15%~17%
Cr:14.5%~16.5%
Fe:4.0%~7.0%
W:3.0%~4.5%
Co≤2.5%
Mn≤1.0%
V≤0.35%
Si≤0.08%
P≤0.04%
S≤0.03%
C≤0.02%
Vacuum induction furnace
Electroslag remelting
Product physical properties
Density

ρ=8.9 g/cm³

Melting temperature range

1325-1370 ℃

Specifications

Hastelloy C-276 Product Forms & Available Sizes

 

Product Form

Available Sizes

Welding Wire

Diameter: 0.8–5.0 mm

TIG Welding Rod

Diameter: 1.6–6.4 mm

MIG Welding Wire

Diameter: 0.8–1.6 mm

Nickel Alloy Strip

Thickness: 0.05–6 mm Width: 5–350 mm

Round Bar

Diameter: 6–300 mm

Billet

Diameter: Up to 600 mm

Forged Bar

Customized Sizes

Sheet & Plate

Customized Sizes

Seamless Tube & Pipe

Customized Sizes

Wire Rod

Customized Sizes

Customized Components

Made to Customer Requirements

 

Hastelloy C-276 Mechanical Properties (Typical)

 

Property

Value

Tensile Strength

≥690 MPa

Yield Strength (0.2%)

≥283 MPa

Elongation

≥40%

Hardness

≤100 HRB

Density

8.89 g/cm³

Melting Range

1325–1370°C

 

Hastelloy C-276 Physical Properties

 

Property

Value

Density

8.89 g/cm³

Modulus of Elasticity

205 GPa

Thermal Conductivity

10.2 W/m·K

Electrical Resistivity

1.25 μΩ·m

Specific Heat

427 J/kg·K

Coefficient of Thermal Expansion

11.2 μm/m·°C

Magnetic Property

Non-magnetic (annealed)

 

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Quality Control & Certification
Hastelloy C-276 Product Quality Inspection & Third-Party Certification

Kaixin Alloy manufactures Hastelloy C-276 (UNS N10276 / Alloy C276 / W.Nr. 2.4819) in compliance with ASTM B574, ASTM B575, ASTM B619, ASTM B622, ASTM B626, AWS A5.14, ISO 18274, and EN 10204.

Every production batch is tested for:

Chemical Composition Analysis

PMI Verification

Tensile & Yield Strength Testing

Hardness Testing

Non-Destructive Testing (NDT)

Final Product Inspection

We provide EN 10204 3.1 Certificates, Mill Test Certificates (MTCs), and full material traceability to ensure reliable performance for chemical processing, oil & gas, marine engineering, pollution control, power generation, and corrosion-resistant industrial applications.

Hastelloy C-276 Production process