Hastelloy B2 Fasteners

Hastelloy B2 has molybdenum as the principal alloying element with nickel and is known for its effective resistance to corrosion commonly caused in reducing environments, including hydrogen chloride gas in medium conditions and the acidic mediums of sulfuric, acetic, and phosphoric acids.

One principal characteristic of the UNS N10665 bolt is its resistance to pure sulfuric acid and several other non-oxidizing acids. It serves excellently even in these reductive environments, but one should not use it in oxidative environments or media that are reducing and contain oxidizing contaminants. For example, Alloy B2 Hastelloy Fasteners may incur premature failure with iron or copper in a system with hydrochloric acid. The super resistance shown to the 2.4617 Hastelloy Screws to solid chemicals such as hydrochloric acid and aluminum chloride catalysts class shall be common chemicals in the used process.

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By their excellent performance in reductive media, Hastelloy B2 Screws are applied in many fields, out of which the chemical processing industry is vital for a large part, especially in the processes relating to acids: sulphuric, phosphoric, hydrochloric, and acetic acids. Hastelloy B2 Bolts also have features of excellent high strength at elevated temperatures in inert and vacuum atmospheres.

The Hastelloy Alloy B2 Fasteners do not take part in the precipitation of grain boundary carbides within the weld heat-affected region, and it is, therefore, most suitable for all the chemical process applications in the as-welded form. In the weld fittings made out of the Hastelloy B2 for welding, carbides do not take shape in the affected zone. If the precipitation does occur in the heat-affected part, the amount of rainfall is lessened enough not to jeopardize the situation of uniform impenetrability to the corrosive.

Hastelloy B2 Nuts offer high resistance to localized corrosion like pitting and chlorine-related stress corrosion cracking. These fasteners perform effectively in high temperatures roughly about 1500°F, depending upon the environment of the end use of the applications varying from ambiance to room temperature.

Specifications

Standard ASTM B574 / ASME SB574
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Bolt / Screw Size M3 - M56 | 3/6" to 2" | Custom Sizes
Nuts Size M3 - M56 | 3/6" to 2" | Custom Sizes
Washers Size M3 - M56 | 3/6" to 2" | Custom Sizes
Machine Screws Size M1.6 - M12
Self Tapping Screw Size No.2 - No. 14
Length 3 mm to 200 mm
Threads UNF, BSW, BSF, METRIC, UNC or as required
Surface Coating Ptfe Coated High Nickel Alloy Fasteners, Phosphate Coating, Teflon Coating, Zinc Coating, Hot Dipped Galvanizing Coating, Cadmium Coating, Xylon Coating
Finishing Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), High Nickel Alloy, Sherardized, Dacromet, Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide

Equivalent Grades

STANDARD WERKSTOFF NR. UNS
Hastelloy B2 2.4617 N10665

Chemical Properties

Grade C Mn Si S Co Ni Cr Fe Mo P
B2 0.02 max 1.0 max 0.1 max 0.03 max 1.0 max Bal 1.0 max 2.0 max 26 - 30 0.04 max

Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy B2 9.2 g/cm3 1370 °C (2500 ºF ) Psi - 1,10,000 , MPa - 760 Psi - 51000 , MPa - 350 40 %

Other Types

ASME SB574 Hastelloy B2 Hanger Bolt in Mumbai Hastelloy B2 Square Washer Dealer in India Hastelloy B2 Coupling Nuts Manufacturer
Dock Washer Hastelloy Grade B2 Hastelloy B2 Foundation Bolts Supplier in India B2 Hastelloy Alloy Draw Bolt
Hastelloy Alloy B2 Customized Washer Alloy 2.4617 Countersunk Washer Manufacturer in India Hastelloy B2 Structural Bolts Exporters
UNS N10665 Self Locking Nuts Hastelloy B2 Split Washers Hastelloy B2 Heavy Hex Nuts Manufacturer
Hastelloy B2 Socket Set Screws Hastelloy B2 Hex Bolts Hastelloy Alloy B2 Dome Washers
Hastelloy Alloy B2 Flange Bolts Hastelloy B2 Hex Nuts Hastelloy B2 Fasteners Dimension

Hastelloy B2 Fasteners Export & Domestic Supply in India

Export Areas:

  • United States
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  • United Kingdom
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  • Japan
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Domestic Areas (Maharashtra, India):

  • Mumbai
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  • Navi Mumbai
  • Solapur
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