Hastelloy C4 Manufacturer, Stockist & Exporter in India

Hastelloy C4 Products – Exotic Metals LLP

Hastelloy C4 is a nickel–chromium–molybdenum alloy specifically developed for excellent thermal stability and resistance to intergranular corrosion, even after prolonged exposure to high temperatures. Unlike many corrosion-resistant alloys, Hastelloy C4 maintains its mechanical integrity after welding and heat treatment, making it highly reliable for high-temperature chemical processing equipment and structural applications.

Specifications

Material: Hastelloy C4
UNS: N06455
Werkstoff No.: 2.4610
Product Standards: ASTM / ASME / DIN / EN
Heat Treatment: Solution annealed
Manufacturing: Hot rolled, cold drawn, forged
Surface Finish: Mill finish, pickled, polished, bright
Documentation: EN 10204 3.1, chemical & mechanical reports

Available Grades

Hastelloy C4
UNS N06455

Product Forms Supplied

Bars: Round bar | Hexagon bar | Forged bar | Square bar | Hollow bar
Size Range: 3 mm to 750 mm
Length: Random or Cut-to-Length
Applications: Valve parts, pump shafts, fasteners, machined components

Pipes & Tubes

Rectangular Pipe | Square Pipe | ERW Pipe | Seamless Pipe | Capillary
Outside Diameter: 6 mm to 150 NB & above
Wall Thickness: SCH 5S to SCH XXS
End Finish: Plain End, Beveled End
Used for high-temperature chemical transfer and pressure lines

Flat Products

Sheet | Plate | Coil | Strips | Circle
Thickness: 0.5 mm to 80 mm
Width: Up to 2000 mm
Length: As per requirement
Suitable for fabrication of reactors, vessels, and ducting systems

Wire & Mesh

Wire | Wire Mesh
Wire Diameter: 0.2 mm to 8 mm
Mesh Type: Woven / Welded
Used in filtration systems, heat shields, and chemical processing units

Structural Sections

Angle / Channel
Standard and custom profiles
Used in structural frameworks and industrial fabrication

Fittings & Components

Flanges | Forged Fittings | Pipe Fittings
Flange Types: Weld Neck, Slip On, Blind
Fittings: Elbows, Tees, Reducers, Stub Ends
Standards: ASME / ANSI / DIN

Fasteners

Bolts, Nuts, Studs, Washers
High-strength fasteners for corrosive and high-temperature environments

Gasket

Spiral Wound Gaskets
Ring Type Joint (RTJ)
Custom gaskets as per drawing

Custom Fabricated Products

Heat exchangers
Pressure vessels
Skids & assemblies
Custom-engineered Hastelloy C4 components

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Chemical Composition – Hastelloy C4

Element	Composition (%)
Nickel (Ni)	Balance
Chromium (Cr)	14.0 – 18.0
Molybdenum (Mo)	14.0 – 17.0
Iron (Fe)	≤ 3.0
Carbon (C)	≤ 0.015
Manganese (Mn)	≤ 1.0
Silicon (Si)	≤ 0.08
Phosphorus (P)	≤ 0.04
Sulfur (S)	≤ 0.03
Cobalt (Co)	≤ 2.0

Mechanical Properties (Solution Annealed)

Property	Typical Value
Density	8.64 g/cm³
Tensile Strength	≥ 760 MPa
Yield Strength (0.2%)	≥ 345 MPa
Elongation	≥ 40%
Hardness	≤ 95 HRB
Service Temperature Capability	Up to ~1000°C

Weight Chart – Pipes (Indicative)

Nominal Size	OD (mm)	WT (mm)	Weight (kg/m)
½″	21.3	2.77	1.27
1″	33.4	3.38	2.49
2″	60.3	3.91	5.44
3″	88.9	5.49	10.92
4″	114.3	6.02	15.67

Hastelloy C4 Products