ASTM B366 Hastelloy X Fittings – A Comprehensive Overview

At ASC LLP, we pride ourselves on being a trusted supplier and exporter of premium-quality ASTM B366 Hastelloy X Fittings. These fittings are renowned for their exceptional performance in harsh environments, such as high temperatures and corrosive atmospheres. This article aims to provide a detailed insight into the features, properties, and benefits of ASTM B366 Hastelloy X Fittings, making it an invaluable resource for industries requiring top-tier performance from their materials.

What is ASTM B366 Hastelloy X Fittings?

ASTM B366 Hastelloy X Fittings are part of the B366 specification that covers various grades of nickel-based alloy fittings, including Hastelloy. Hastelloy X, a popular nickel-chromium-iron-molybdenum alloy, is widely recognized for its excellent oxidation resistance, strength, and formability at high temperatures. These fittings are crucial for connecting pipes in applications where high-temperature stability, corrosion resistance, and longevity are essential.

The ASTM B366 specification ensures that the material used in the manufacturing of these fittings meets stringent quality requirements. It includes seamless and welded fittings, ensuring versatility for a wide range of industrial applications.

ASTM B366 Hastelloy X Fittings

Properties of ASTM B366 X Hastelloy Fittings

ASTM B366 X Hastelloy fittings possess several notable properties that make them ideal for challenging environments. These properties include:

  1. High-Temperature Resistance: Hastelloy X fittings are engineered to withstand extreme temperatures up to 1200°C (2200°F), making them ideal for use in high-temperature gas turbine engines, furnaces, and chemical processing equipment.
  2. Oxidation Resistance: One of the standout characteristics of Hastelloy X is its resistance to oxidation, even in severe, high-temperature environments. This makes the fittings durable in oxidative atmospheres, preventing material degradation over time.
  3. Corrosion Resistance: Hastelloy X fittings exhibit remarkable resistance to various corrosive elements, including chlorides, acids, and other harsh chemicals. This makes them well-suited for chemical processing, petrochemical industries, and environments exposed to seawater.
  4. Excellent Weldability: Fittings made from ASTM B366 Hastelloy X are known for their ease of fabrication and welding, allowing them to be installed quickly and efficiently without compromising structural integrity.
  5. Good Ductility and Formability: Despite their strength and resistance to environmental stressors, Hastelloy X fittings retain good ductility and can be formed into various shapes without cracking or losing their mechanical properties.

Advantages of ASTM B366 X Hastelloy Fittings

The numerous advantages of ASTM B366 X Hastelloy fittings ensure their widespread use across multiple industries. These advantages include:

  1. Longevity in Harsh Environments: One of the biggest advantages of ASTM B366 Hastelloy X fittings is their ability to provide long-lasting service in highly corrosive or high-temperature environments. This results in lower maintenance costs and longer intervals between part replacements.
  2. Versatility in Applications: From chemical processing plants to aerospace applications, ASTM B366 Hastelloy X fittings are versatile and find usage across various industries requiring high-performance materials.
  3. Superior Mechanical Strength: Even at elevated temperatures, Hastelloy X fittings maintain their mechanical strength, ensuring safety and reliability in demanding applications. This makes them ideal for environments where stress and pressure could lead to material failure in lesser alloys.
  4. Resistance to Thermal Shock: With excellent resistance to thermal fatigue and shock, Hastelloy X maintains structural integrity during rapid temperature changes, a critical feature in applications such as combustion chambers and exhaust systems.
  5. Compliance with Industry Standards: Hastelloy fittings ASTM B366 meet strict international standards, ensuring they meet the quality and performance expectations of industries worldwide.
Hastelloy X Fittings
ASTM B366 X Fittings

Schedule and Size Chart

Fitting Type Schedule Size Range (inches) Pressure Rating (psi)
Elbow Schedule 10S 1/2″ – 12″ Up to 2000 psi
Tee Schedule 40S 1/2″ – 12″ Up to 1500 psi
Reducer Schedule 80S 1/2″ – 10″ Up to 1200 psi
Cap Schedule 160S 1/2″ – 8″ Up to 1000 psi
Union Schedule 10S 1/2″ – 6″ Up to 2000 psi

Mechanical Properties Chart

Property Value Unit
Yield Strength 30,000 psi
Ultimate Tensile Strength 75,000 psi
Elongation 40 %
Hardness 90 – 100 Rockwell HRB
Modulus of Elasticity 28,000 ksi
Thermal Conductivity 11.5 Btu/hr.ft.°F

Specifications Chart

Specification Value
ASTM Standard B366
Alloy Type Hastelloy X
Temperature Range Up to 1200°C (2200°F)
Form Fittings (Elbows, Tees, Reducers, Caps, Unions)
Manufacturing Process Forged, Machined
End Finish Smooth, Beveled

Chemical Composition Chart

Element Min (%) Max (%)
Nickel (Ni) 47.0 52.0
Chromium (Cr) 20.0 22.0
Iron (Fe) 17.0 21.0
Molybdenum (Mo) 8.0 10.0
Cobalt (Co) 1.0 2.0
Carbon (C) 0.15 0.20
Silicon (Si) 0.5 1.0
Manganese (Mn) 1.0 2.0
Sulfur (S) 0.02
Phosphorus (P) 0.04

Physical Properties Chart

Property Value Unit
Density 0.321 lb/in³
Melting Point 1370 – 1425 °C
Thermal Expansion 13.3 x 10^-6 /°C
Specific Heat Capacity 0.11 Btu/lb°F
Electrical Resistivity 0.52 µΩ·cm

Application Chart

Industry Applications
Aerospace Gas turbine engines, combustion chambers, exhaust systems
Chemical Processing Heat exchangers, reactors, pipelines in harsh chemicals
Power Generation High-temperature sections in power plants, turbines
Petrochemical Refining processes, petrochemical equipment, reactors
Furnace Technology Industrial furnaces, high-temperature processing units

B366 Hastelloy Fittings Exporters and Suppliers

As a leading exporter and supplier of Hastelloy X fittings, ASC LLP offers a wide range of fittings, including elbows, tees, reducers, and caps, in various sizes and specifications. Our products are manufactured to meet the highest industry standards, ensuring exceptional performance, durability, and reliability.

We take pride in offering:

  • Customization: We provide fittings tailored to your specific project needs, ensuring they meet the precise requirements of your application.
  • Timely Delivery: Our efficient supply chain ensures that you receive your B366 Hastelloy fittings on time, no matter where you are located globally.
  • Technical Expertise: Our team of experienced professionals is available to assist you in selecting the right fittings for your project, ensuring optimal performance and longevity.

Global Reach

Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM B366 Hastelloy X Fittings. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Metal globe

Countries We Export To

UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

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