Manufactures & Suppliers of Pipes, Tubes, Flanges, Pipe Fitting & Fasteners

Natron Pipe Tube is a prominent manufacturer of Hastelloy Fasteners in India. Hastelloy encompasses a range of alloys mainly made up of nickel, molybdenum, and chromium. The distinctive formulation of these alloys provides exceptional resistance to both corrosion and high temperatures. Among them, Hastelloy C276 (2.4819) stands out as the most widely used grade for fasteners, known for its versatility and superior corrosion resistance, often outperforming in demanding environments.

Hastelloy Washers, Hastelloy Bolt, Hastelloy Alloy Nuts, Hastelloy Fasteners Supplier and Manufacturer in Mumbai, India

The demand for corrosion-resistant materials such as Hastelloy Fasteners significantly reduces the need for frequent replacements of basic components. Regular steel parts are prone to corrosion, leading to higher replacement costs. While Hastelloy Fasteners may have a higher initial expense, they prove to be more cost-effective for long-term applications due to their durability. Additionally, Hastelloy threaded rods exhibit excellent resistance in environments containing chlorine and fluorine ions, both of which are highly reactive halogens that can adversely affect standard metals.


Hastelloy Fasteners Specification

Specifications ASTM B574 / ASME SB574
Standard ASTM, DIN, BS
hastelloy Bolts Length in MM 3 – 200
hastelloy Nut & Bolt Sizes in Inch M3 – M56
3/6 – 2
hastelloy Screws Size M1.6 – M12
hastelloy Washers Size in Inch M3 – M56
3/6 – 2
hastelloy Grades Hastelloy C276 Fasteners Hastelloy B2 Fasteners Hastelloy C22 Fasteners

Hastelloy comprises a group of corrosion-resistant alloys, with nickel serving as a key component, which imparts exceptional resistance to acidic environments. Due to their outstanding durability against various acidic solutions—including hydrochloric acid, sulfuric acid, phosphoric acid, acetic acid, and formic acid Hastelloy fasteners are often recommended for use in industries such as textiles and paper manufacturing. These sectors frequently utilize these acids as leveling agents or for neutralizing solutions, making Hastelloy an ideal choice for their applications.

Hastelloy Fasteners Chemical Composition

Element Hastelloy C22 Hastelloy C276 Hastelloy B2
Carbon 0.01 Maximum 0.01 Maximum 0.02 Maximum
Manganese 0.50 Maximum 1.0 Maximum 1.0 Maximum
Carbon monoxide 2.5 Maximum 2.5 Maximum 1.0 Maximum
Sulfur 0.02 Maximum 0.03 Maximum 0.03 Maximum
Silicon 0.08 Maximum 0.08 Maximum 0.1 Maximum
Chromium 20 To 22.5 14.5 To 16.5 1.0 Maximum
Molybdenum 12.5 To 14.5 15 To 17 26 To 30
Iron 2 To 6 4 To 7 2.0 Maximum
Tungsten 2.5 To 3.5 3 To 4.5
Vanadium 0.35 Maximum 0.35 Maximum
Phosphorus 0.02 Maximum 0.04 Maximum 0.04 Maximum

Mechanical Properties Of Hastelloy Fasteners

Element Hastelloy C22 Hastelloy C276 Hastelloy B2
Density 8.69 g/cm3 8.89 g/cm3 9.2 g/cm3
Melting Point 1399 °C 1370 °C 1370 °C
Tensile Strength Psi – 1,00,000, MPa – 690 Psi – 1,15,000, MPa – 790 Psi – 1,10,000, MPa – 760
Yield Strength Psi – 45000, MPa – 310 Psi – 52,000, MPa – 355 Psi – 51000, MPa – 350
Elongation 45 40 40

Hastelloy Fasteners Equivalent Grade

Standard Hastelloy C276 Hastelloy C22 Hastelloy B2
UNS N10276 N06022 N10665
WERKSTOFF NR. 2.4819 2.4602 2.4617
JIS NW 0276 NW 6022
GOST ХН65МВУ
OR ЭП760
EN NiMo16Cr15W NiCr21Mo14W