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HASTELLOY NUTS


HASTELLOY NUTS

HASTELLOY nuts is considered as superalloys, and the base element in this alloy is nickel. These nuts are known for their property of being resistant to corrosion. Along with being resistant to corrosion, these provide resistance towards thermal creep deformation. The Nuts also have excellent mechanical properties. In reducing environments, these Nuts are very durable in nature.

The Hastelloy Nuts also have the characteristics of good surface stability. In Hastelloy, the addition of chromium improves the resistance towards oxidation. The low carbon content in its composition guarantees that grain boundary carbide precipitation is kept to a minimum. Hastelloy C22 Nuts are Nuts that are made up of an alloy composed of chromium, nickel in their chemical composition. Molybdenum and tungsten are also present in the combination. These offer improved resistance to corrosion and its related damages.

Hastelloy C276 Nuts are widely used in chemical process applications in an as-welded condition. Hastelloy B2 Nuts are noted for their high corrosion resistance in reducing atmospheres. These environments could be subjected to hydrogen chloride gas, as well as acidic mediums such as sulfuric acids, acetic acids, as well as phosphoric acids.

Hastelloy B3 Nuts are used in applications such as chemical processes, pulp, and paper industries, etc. Hastelloy X Nuts provides resistance towards oxidation as well as high-temperature strength. They also have the characteristics of fabricability.

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Specification :-

Specification ASTM F593, F594, F1554 / ASME SF593, F594, F1554
Standard DIN : DIN 934, DIN 931, DIN 970, DIN 933
UTS : UNEF, NPT, UNC, UNS, UNF, NPTF
ISO : JIS standards, ISO 4033, ISO 4032,
ANSI – American National Standards Institute
ASME B18.5
ANSI B 28.2.4 1M
as per defined in ASME B16.5 standard Hastelloy® Alloy C276 Stud Nuts length
ANSI B 18.2.4 2M
as per defined in ASME B18.2.2 Hastelloy Alloy C276 Hex nuts
Size M3 - M56 | 3/6" to 2" | Custom Sizes
Length 3 mm to 200 mm | Custom Sizes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Form Hex, Threading, Square, Round as per Gauge Etc.
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or
vertically
Threads available UNF, BSW, BSF, METRIC, UNC, or as required
Threads
Configuration
ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Test Certificate As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Packing IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Surface Coating Cadmium Coating
Hot Dipped Galvanizing Coating
Ptfe Coated
Phosphate Coating
Teflon Coating
Xylon Coating
Zinc Coating

Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS GOST EN OR
Hastelloy C22 2.4602 N06022 NW 6022 - NiCr21Mo14W -
Hastelloy C276 2.4819 N10276 NW 0276 ХН65МВУ NiMo16Cr15W ЭП760
Hastelloy B2 2.4617 N10665 NW 0665 - - -
Hastelloy B3 2.4600 N10675 - - - -
Hastelloy X 2.4665 N06002 - - - -

Chemical Composition

Grade C Mn Si S Co Ni Cr Fe Mo P
C22 0.010 max 0.50 max 0.08 max 0.02 max 2.5 max Bal 20 - 22.5 2 – 6 12.5 – 14.5 0.02 max
C276 0.010 max 1.00 max 0.08 max 0.03 max 2.50 max 50.99 min* 14.50 – 16.50 4.00 – 7.00 15.00 – 17.00 0.04 max
Hastelloy 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
Hastelloy B3 0.01 max 3.0 max 0.10 max - 3.0 max 65.0 min 1.5 max 1.5 max 27.0-32.0 -
Hastelloy X 0.05-0.15 1.0 max 1.0 max - 0.5-2.5 Balance 20.5-23.0 17.0-20.0 8.0-10.0 -

Mechanical Properties

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy C22 8.69 g/cm3 1399 °C (2550 °F) Psi – 1,00,000 , MPa – 690 Psi – 45000 , MPa – 310 45%
Hastelloy C276 8.89 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 790 Psi – 52,000 , MPa – 355 40 %
Hastelloy B2 9.2 g/cm3 1370 °C (2500 ºF ) Psi – 1,10,000 , MPa – 760 Psi – 51000 , MPa – 350 40 %
Hastelloy B3 9.22 g/cm3 1418 °C 1000-2000 MPa 350 MPa 40%
Hastelloy X 9.2 g/cm3 1370 °C (2500 °F) Psi – 51,000, MPa – 350 Psi -1,10,000, MPa -760 40 %

Applications and Uses

  • Chemical Industries
  • Oil & Gas Industrires
  • Power Plant Industries
  • Shipbuilding Industries
  • Fertilizer Industrires
  • Petrochemical Industrires
  • Sugar Industrires
  • Cement Industrires