Hastelloy Fasteners

Hastelloy Fasteners are high-performance alloy fasteners, the main components include nickel, chromium and molybdenum. These fasteners are known for their excellent corrosion resistance and high temperature stability, and are often used in harsh industrial environments. Suitable for forging and hot forming at high temperatures, usually processed in the range of 1150°C to 900°C.

Gnee manufactures different models of Hastelloy Fasteners (such as Hastelloy C276, Hastelloy C22, Hastelloy B-2). There are many varieties, including bolts, nuts, studs, screws, bolt rods, etc. Widely used in chemical, oil and gas, aerospace, power generation and other industries.

  • Corrosion Resistance / High Temperature Resistance / High Strength
  • Non-Destructive Testing
  • Support Customize Size & Shapes
  • Free sample
  • Loading Port: Shanghai, Tianjin, Qingdao
  • Bolts/Screws/Nuts/Washers/Studs/…
  • Hot Sale Hastelloy C276/C22/B-2 Fastener
  • ASTM/ASME/ISO Certified
  • Large Stock
  • 30-50 days, 7 days for stock goods
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Hastelloy Fasteners Manufacturer Supplies Various Forms

Hastelloy Fasteners Supplier With Rich Grades

  • Hastelloy C276 (UNS N10276, EN 2.4819)
  • Hastelloy C22 (UNS N06022, EN 2.4602)
  • Hastelloy B-2 (UNS N10665, EN 2.4617)
  • Hastelloy X (UNS N06002, EN 2.4665)
  • Hastelloy B-3 (UNS N10675, EN 2.4600)
  • Hastelloy G-30 (UNS N06030, EN 2.4603)
  • Hastelloy C-2000 (UNS N06200, EN 2.4675)
  • Hastelloy C-4 (UNS N06455, EN 2.4610)
  • Hastelloy N (UNS N10003, EN 2.4632)
  • Hastelloy W (UNS N10004, EN 2.4606)
  • Hastelloy G-3 (UNS N06985, EN 2.4619)
ASTMASTM B574, ASTM B637, ASTM F467, ASTM F468, ASTM F2281
ASMEASME B18.2.1, ASME B18.2.2, ASME B18.2.6, ASME B18.2.8, ASME B18.16.6
Hastelloy Alloy Fasteners Specification
Product NameHastelloy Fasteners
SizeNuts/Bolts/Washers Sizes: M3 – M56 | 3/6″ to 2″ | custom
Length of Bolts: 3 – 200 mm
Machine Screws Sizes: M1.6 – M12
Standard SpecificationASTM, DIN, SUS, AISI, SAE, ANSI, ASME, EN, JIS, BS, GB, UNS
FormsHastelloy Bolts (Hex Bolts, Socket Head Cap Bolts, Carriage Bolts, Eye Bolts, U-Bolts, Stud Bolts);
Hastelloy Nuts (Hex Nuts, Lock Nuts, Wing Nuts, Jam Nuts, Cap Nuts, Flange Nuts);
Hastelloy Screws (Machine Screws, Self-Tapping Screws, Sheet Metal Screws, Wood Screws, Socket Head Cap Screws, Set Screws);
Hastelloy Washers (Flat Washers, Lock Washers, Belleville Washers, Wave Washers, Countersunk Washers);
Hastelloy Studs (Fully Threaded Studs, Tap End Studs, Threaded Rods, Weld Studs, Stud Bolts);
Hastelloy Rivets (Solid Rivets, Blind Rivets, Structural Rivets, Hollow Rivets, Drive Rivets);
Manufacturing ProcessCold Forging, Hot Forging, Machining and CNC
ThreadBSW, METRIC, UNF, UNC, BSF, custom
Test CertificateUnder Third-Party Inspection
Manufacturer Test Certificate
Packaging DetailsCanton, Pallet, Small Boxs / Carton / Pallet, Or Customer Request
Parameters Of Hastelloy Fasteners
Nickel (Ni)56.0-60.057.0 min
Chromium (Cr)20.0-22.514.5-16.5
Molybdenum (Mo)12.5-14.515.0-17.0
Iron (Fe)2.0-6.04.0-7.0
Tungsten (W)2.5-3.53.0-4.5
Cobalt (Co)2.5 max2.5 max
Manganese (Mn)0.50 max1.0 max
Vanadium (V)0.35 max
Silicon (Si)0.08 max0.08 max
Carbon (C)0.015 max0.01 max
Phosphorus (P)0.02 max0.04 max
Sulfur (S)0.02 max0.03 max
GradeElongationDensityMelting PointTensile StrengthYield Strength (0.2%Offset)
C27640%1370 °C (2500 °F)Psi – 1,15,000 , MPa – 7908.89 G/Cm33Psi – 52,000 , MPa – 355
C2245%1399 °C (2550 °F)Psi – 1,00,000 , MPa – 6908.69 G/Cm3Psi – 45000 , MPa – 310
B340%1370 °C (2550 °F)Psi – 1,15,000 , MPa –7609.2 G/Cm3Psi – 52,000 , MPa – 350
B240%1370 °C (2550 °F)Psi – 1,15,000 , MPa –7609.2 G/Cm3Psi – 52,000 , MPa – 350
Hybrid BC140%1343 – 1443°C7258.83 G/Cm³310
C455%1350-1400 °C7838.64 G/Cm3365
X35%1355°C655 MPa8.22 G/Cm³240 MPa
Density (g/cm³)8.698.89
Melting Range (°C)1325-13701370-1400
Thermal Conductivity (W/m·K)9.510.2
Specific Heat (J/kg·K)390395
Electrical Resistivity (µΩ·m)1.291.26
Modulus of Elasticity (GPa)205205
Hastelloy Steel Fasteners Applications
Situation: Chemical reactors, heat exchangers, and pipelines often handle highly corrosive substances.
Usage: Hastelloy fasteners are used to assemble and secure components in these environments.
Reason: Hastelloy’s exceptional corrosion resistance to a wide range of chemicals, including sulfuric, hydrochloric, and hydrofluoric acids, ensures the longevity and reliability of equipment.
Situation: Offshore drilling platforms, subsea equipment, and sour gas fields are exposed to harsh marine conditions and corrosive gases.
Usage: Hastelloy fasteners are employed in the construction and maintenance of drilling rigs, pipelines, and processing plants.
Reason: The material’s resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-rich environments extends the service life of critical components.
Situation: Aircraft engines and structural components are subjected to extreme temperatures and corrosive conditions.
Usage: Hastelloy fasteners are used in engine parts, exhaust systems, and high-temperature sections of the aircraft.
Reason: The high-temperature strength and oxidation resistance of Hastelloy materials ensure reliable performance in demanding aerospace applications.
Situation: Power plants, especially those utilizing nuclear and geothermal energy, operate under extreme temperatures and corrosive conditions.
Usage: Hastelloy fasteners are used in turbines, heat exchangers, and reactor cores.
Reason: The fasteners’ ability to maintain strength and resist corrosion at high temperatures ensures the safety and efficiency of power generation systems.
Situation: Equipment must withstand exposure to various chemicals and cleaning agents without contaminating the products.
Usage: Hastelloy fasteners are used in reactors, mixers, and piping systems in pharmaceutical and food processing plants.
Reason: The material’s excellent corrosion resistance and ease of cleaning help maintain the purity and safety of products.
Situation: Ships, submarines, and marine structures are constantly exposed to seawater and varying temperatures.
Usage: Hastelloy fasteners are utilized in hulls, propellers, and underwater equipment.
Reason: The material’s resistance to seawater corrosion and biofouling makes it ideal for long-term use in marine applications.
Situation: Scrubbers, filters, and other pollution control devices handle acidic gases and particulate matter.
Usage: Hastelloy fasteners are used in the assembly and maintenance of these devices.
Reason: Their resistance to corrosion in acidic and oxidizing environments ensures the durability and effectiveness of pollution control systems.
Why Choose Gnee Hastelloy Fasteners Factoy?

Gnee, as a Chinese stainless steel & nickel alloy supplier with 15 years of history, exports to 60+ countries. We provide various shapes of stainless steel & nickel alloy, including plates, coils, pipes, bars, and fittings. Gnee is committed to providing comprehensive stainless steel solutions, with excellent after-sales service, we support customization and ensure product quality.

In addition, our Hastelloy Alloy has been successfully exported to more than 60 countries such as Singapore, Malaysia, The United Arab Emirates, Oman, Turkey, Nigeria, Egypt, Kuwait, Indonesia, Qatar, and Kenya. Many regular customers come to visit our company and factory and make multiple orders.

What‘s The Feature Of ASME SB574 Hastelloy Fasteners?

Hastelloy Fasteners exhibit outstanding corrosion resistance in a wide range of challenging environments, including acids, alkalis, seawater, chlorides, sulfides, and oxidizing and reducing media. They are highly resistant to pitting, crevice corrosion, stress corrosion cracking, and corrosion fatigue, making them suitable for applications in chemical processing, petrochemical, marine, and other corrosive environments.

Hastelloy Fasteners maintain their mechanical properties and strength even at elevated temperatures. They offer excellent thermal stability and can withstand high-temperature environments, making them suitable for applications in heat exchangers, reactors, furnaces, and other high-temperature processing equipment.

Hastelloy Fasteners possess high tensile strength, yield strength, and hardness, ensuring reliable and secure fastening even in demanding applications. They exhibit excellent resistance to deformation and maintain their structural integrity under high loads and stresses.

What Services Does Gnee Provide?

Gnee can provide the following measurement services for stainless steel:

Dimensional Measurement: Measure dimensional parameters such as length, width and thickness by measuring instruments to ensure that the stainless steel is qualified and meets the design requirements.
Surface Measurement: Measure parameters such as flatness, bumpiness and surface roughness of the stainless steel surface to help ensure that the quality and surface condition of the stainless steel meets the requirements.
Thickness Measurement: Use thickness gauges to accurately measure the thickness of the stainless steel to ensure it meets the design requirements.
Material Measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the stainless steel to ensure that the quality and properties of the stainless steel meet the requirements.
Bending And Deformation Measurements: Use tools such as bending gauges and displacement sensors to measure and monitor the degree of bending and deformation of stainless steel to ensure that it is within the allowable range.

Ask Measurement service

Gnee can customize the size and shape of your stainless steel for your specific project needs. Custom design of stainless steel is carried out by a team of professional engineers and designers. Based on the project requirements and constraints, they will use calculation and simulation tools combined with experience and technical knowledge to optimize the stainless steel design to meet the specific needs of your different projects

● Adjustment of the thickness, width and length of stainless steel based on load calculations and strength requirements for structural design.
● The shape of the stainless steel can be designed according to the demand characteristics.
● If the convenience of installation and maintenance is considered, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

Ask Customized Services

Sourcing Gnee stainless steel can provide the following further processing services. We can customize to meet the specific needs of our customers for different projects.

Cutting Service: Stainless steel can be custom cut to obtain the desired shape and size according to the customer’s needs. For example, flame cutting, plasma cutting, laser cutting, etc., can cut stainless steel into desired plates, blocks, shaped pieces, etc.
Bending & Forming: Stainless steel is bent and formed by applying stress and appropriate processes to obtain the desired shape.
Welding Services: Stainless steel can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Hole Turning And Machining: Stainless steel is turned and holes are machined through the use of machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface Treatments: Surface treatments can be applied to improve the corrosion resistance and aesthetics of the stainless steel. This includes methods such as painting, hot dip galvanizing, and electroplating to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee stainless steel can provide testing and the following third-party inspection services. These third-party testing services provide independent and objective verification of stainless steel’s compliance with relevant standards and regulations.

Mechanical Property Testing: Used to determine whether the strength, toughness, ductility and other mechanical properties of stainless steel meet the specified requirements.
Chemical Composition Analysis: Quantitative determination of elements on stainless steel samples through spectral analysis, atomic absorption spectroscopy, inductive coupling and other technologies.
Corrosion Performance Test: Common corrosion performance test methods include salt spray corrosion test, acid-base corrosion test and electrochemical corrosion test.
Tensile Strength Test: Through the tensile test, the parameters such as yield strength, tensile strength and breaking strength of stainless steel during the tensile process are measured.
Non-Destructive Testing: Non-destructive testing is used to evaluate hidden defects, cracks and looseness in stainless steel materials. Common methods include ultrasonic testing, magnetic particle testing, eddy current testing, and radiographic testing.
Pressure Test: By exposing stainless steel products to a specific pressure, it is tested whether there are problems such as leakage or deformation to ensure that its pressure resistance meets the requirements.
Surface Quality Test: Used to evaluate the surface flatness, smoothness and oxide layer of stainless steel products.
Welding Performance Test: Check the appearance, mechanical properties and metallographic microstructure of the weld to ensure that the quality of the stainless steel welded joint meets the requirements.
Metallographic Inspection: Through metallographic inspection, the structure, grain size, non-metallic inclusions, etc. of stainless steel are checked to evaluate its quality and performance.

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