Hastelloy G3 Manufacturer, Stockist & Exporter in India

Hastelloy G3 Products Supplier – Exotic Metals LLP

Hastelloy G3 is a nickel-molybdenum alloy with optimized tungsten content, developed for exceptional resistance to hydrochloric acid, sulfuric acid, and other strong reducing environments. Compared to earlier G-series alloys, G3 offers improved fabricability and thermal stability, making it ideal for chemical reactors, pickling equipment, and industrial piping systems. Exotic Metals LLP provides Hastelloy G3 in a wide range of forms and custom-fabricated products, meeting the demands of high-performance chemical and industrial applications.

Specifications

Material: Hastelloy G3
UNS: N06022
Werkstoff No.: 2.4602
Standards: ASTM, ASME, DIN, EN
Heat Treatment: Solution Annealed
Manufacturing Methods: Hot Rolled, Cold Drawn, Forged
Surface Finish: Mill Finish, Pickled, Polished, Bright
Certification: EN 10204 3.1, PMI, Mechanical & Chemical Test Reports

Available Grades / Designations

Hastelloy G3
UNS N06022
ASTM B574 / B575 / B619 / B622 / B626

Product Range Supplied

Bars: Round Bar | Hexagon Bar | Forged Bar | Square Bar | Hollow Bar
Diameter: 6 mm to 700 mm
Length: Random / Cut-to-Length
Used for shafts, valve components, machined parts, fasteners

Pipes & Tubes

Rectangular Pipe | Square Pipe | ERW Pipe | Seamless Pipe | Capillary
OD: 6 mm to 150 NB+
Wall Thickness: SCH 5S to SCH XXS
End Finish: Plain / Beveled
Applications: Acid transfer lines, heat exchangers, chemical process piping

Flat Products

Sheet | Plate | Coil | Strips | Circle
Thickness: 0.5 mm to 90 mm
Width: Up to 2500 mm
Applications: Tanks, columns, reactors, absorbers

Wire & Mesh

Wire | Wire Mesh
Wire Diameter: 0.25 mm to 10 mm
Mesh Type: Woven / Welded
Applications: Filtration, chemical containment systems

Structural Sections

Angle / Channel
Standard and custom profiles
Used for fabrication and support structures

Fittings & Components

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

Fasteners

Bolts, Nuts, Studs, Washers
High corrosion resistance in strong acids

Gasket

Spiral Wound
Ring Type Joint (RTJ)
Custom-designed for chemical service

Custom Fabricated Products

Reactors, Columns, Absorbers
Pressure vessels
Chemical handling equipment

Chemical Composition – Hastelloy B3

Element	Composition (%)
Nickel (Ni)	Balance
Molybdenum (Mo)	14.0 – 16.0
Tungsten (W)	1.5 – 3.0
Iron (Fe)	≤ 2.0
Chromium (Cr)	≤ 2.0
Carbon (C)	≤ 0.01
Manganese (Mn)	≤ 1.0
Silicon (Si)	≤ 0.08
Phosphorus (P)	≤ 0.04
Sulfur (S)	≤ 0.03
Cobalt (Co)	≤ 1.0

Mechanical Properties (Solution Annealed)

Property	Typical Value
Density	8.90 g/cm³
Tensile Strength	≥ 690 MPa
Yield Strength (0.2%)	≥ 310 MPa
Elongation	≥ 40%
Hardness	≤ 92 HRB
Maximum Service Temperature	~950°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

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Key Characteristics

Excellent resistance to hydrochloric and sulfuric acids
Superior performance in strong reducing environments
High thermal stability
Good ductility and weldability
Resistant to localized corrosion, including pitting and crevice

Typical Applications

Chemical Processing Units
Pickling Equipment
Acid Production Plants
Heat Exchangers
Pulp & Paper Industry
Oil & Gas
Pollution Control Systems

Hastelloy G3 Products