ASTM A403 WP Alloy Fittings: Unmatched Quality and Performance

At Amardeep Steel Centre LLP, we are a leading supplier and exporter of premium-grade ASTM A403 WP Alloy Fittings. Our products are renowned for their durability, corrosion resistance, and ability to withstand extreme pressure and temperature. This guide will provide you with an in-depth understanding of ASTM A403 WP Alloy Fittings, including their properties, applications, advantages, and why they are the preferred choice for industries around the world.

What is ASTM A403 WP Alloy Fittings?

ASTM A403 WP Alloy Fittings refer to pipe fittings made from wrought alloy materials that meet the specifications outlined by the American Society for Testing and Materials (ASTM) under standard A403. These fittings are used for high-performance applications in industries like oil & gas, chemical processing, petrochemicals, and power generation.

The WP in ASTM A403 WP Alloy Fittings denotes “Wrought Pipe,” emphasizing that these fittings are produced from wrought alloy materials to ensure superior strength and enhanced corrosion resistance.

ASTM A403 WP Alloy Fittings

Properties of ASTM A403 WP Alloy Fittings

ASTM A403 WP Alloy Fittings possess a range of mechanical and chemical properties that make them ideal for industrial use. Below are the key properties:

  1. Corrosion Resistance: One of the most significant advantages of Alloy ASTM A403 fittings is their exceptional resistance to corrosion. These fittings are particularly resistant to chloride ion stress corrosion cracking, crevice corrosion, and pitting, making them suitable for harsh environments like chemical plants and marine applications.
  2. High Temperature and Pressure Tolerance: A403 Alloy fittings are designed to withstand high temperatures and pressures, which is crucial for applications in refineries, power plants, and the oil & gas sector. The superior thermal stability ensures that the fittings maintain their structural integrity even under extreme heat.
  3. Durability and Strength: Made from wrought alloy, ASTM A403 WP Alloy fittings offer high mechanical strength. These fittings can endure heavy loads and stress, contributing to longer service life and reduced maintenance costs.
  4. Ductility and Toughness: The wrought nature of these fittings provides excellent ductility, making them easier to install in various piping configurations. Moreover, they exhibit toughness, which is essential in preventing cracks and failures under dynamic loading conditions.
  5. Weldability: ASTM A403 WP Alloy fittings are highly weldable, allowing for seamless integration into complex piping systems. This property ensures that the joints formed are strong and reliable, contributing to the overall safety and efficiency of the pipeline.

Advantages of ASTM A403 WP Alloy Fittings

Opting for A403 Alloy fittings offers several benefits, making them the preferred choice across industries. The key advantages include:

  1. Long Lifespan: The corrosion-resistant nature of these fittings significantly extends their operational life, reducing the need for frequent replacements and maintenance.
  2. Cost-Effective: Although the initial investment in ASTM A403 WP Alloy fittings might be higher than standard fittings, their durability, low maintenance, and long lifespan offer substantial cost savings in the long run.
  3. Enhanced Safety: Industries like oil & gas and chemical processing cannot afford failures in their piping systems. The strength, weldability, and resistance to harsh conditions make ASTM A403 WP Alloy fittings a safe and reliable choice.
  4. Versatility: From high-pressure systems to high-temperature applications, Alloy ASTM A403 fittings can handle a wide range of industrial conditions, making them incredibly versatile and adaptable.
  5. Sustainability: The long-lasting nature of these fittings contributes to sustainability by reducing material waste and the need for frequent replacements. Many alloys used in the production of ASTM A403 WP Alloy fittings are also recyclable.
WP Alloy Fittings
ASTM A403 Fittings

Schedule and Size Chart

Nominal Pipe Size (NPS) Outside Diameter (OD) (inches) Wall Thickness (Sch 10) (inches) Wall Thickness (Sch 40) (inches) Wall Thickness (Sch 80) (inches) Wall Thickness (Sch 160) (inches)
1/2″ 0.840 0.065 0.109 0.147 0.294
3/4″ 1.050 0.065 0.113 0.154 0.308
1″ 1.315 0.065 0.133 0.179 0.358
1 1/2″ 1.900 0.083 0.145 0.200 0.400
2″ 2.375 0.083 0.154 0.218 0.436
3″ 3.500 0.109 0.216 0.300 0.600
4″ 4.500 0.120 0.237 0.337 0.674
6″ 6.625 0.134 0.280 0.432 0.864
8″ 8.625 0.148 0.322 0.500 0.936
10″ 10.750 0.165 0.365 0.500 1.126

Mechanical Properties Chart

Property Value
Tensile Strength 485 MPa (70,000 psi)
Yield Strength 170 MPa (25,000 psi)
Elongation 30% min (for thickness ≤ 10 mm)
Hardness 150 HBW max
Impact Strength High (dependent on specific alloy grade)
Modulus of Elasticity 193 GPa (28 x 10^6 psi)

Specifications Chart

Specification Description
Standard ASTM A403/A403M
Material Wrought Austenitic and Ferritic-Austenitic Alloy Fittings
Grade WP304, WP316, WP321, WP904L, etc.
Sizes Available 1/2″ to 48″ (Depending on fitting type)
Pressure Class 150#, 300#, 600#, 900#, 1500#, 2500#
Schedule SCH 10, SCH 40, SCH 80, SCH 160
Connection Types Butt-Weld, Socket-Weld, Threaded, Flanged
Form Elbow, Tee, Reducer, Coupling, Cap, Cross, Stub End

Chemical Composition Chart

Element WP304 (%) WP316 (%) WP321 (%) WP904L (%)
Carbon (C) 0.08 max 0.08 max 0.08 max 0.02 max
Chromium (Cr) 18.0-20.0 16.0-18.0 17.0-19.0 19.0-23.0
Nickel (Ni) 8.0-11.0 10.0-14.0 9.0-12.0 23.0-28.0
Molybdenum (Mo) 2.0-3.0 4.0-5.0
Manganese (Mn) 2.0 max 2.0 max 2.0 max 2.0 max
Silicon (Si) 1.0 max 1.0 max 1.0 max 1.0 max
Phosphorus (P) 0.045 max 0.045 max 0.045 max 0.045 max
Sulfur (S) 0.03 max 0.03 max 0.03 max 0.03 max
Nitrogen (N) 0.10 max

Physical Properties Chart

Property Value (Approximate)
Density 7.93 g/cm³ (for WP304, WP316)
Melting Range 1400-1450 °C (2550-2650 °F)
Thermal Conductivity 16.2 W/m.K at 100°C (for WP304, WP316)
Specific Heat Capacity 500 J/kg.K (for WP304, WP316)
Electrical Resistivity 720 nΩ.m (for WP304)
Thermal Expansion Coefficient 17.2 x 10^-6 /°C (for WP304, WP316)

Application Chart

Industry Application
Oil & Gas Industry Pipeline fittings for transport of crude oil and natural gas under high-pressure environments.
Chemical Processing Used in chemical plants where resistance to corrosion from aggressive chemicals is required.
Power Generation Fittings in high-pressure and high-temperature environments such as nuclear and thermal power plants.
Petrochemical Industry Handling hazardous materials, corrosive liquids, and extreme conditions.
Water Treatment Used in desalination and water purification systems for corrosion resistance.
Marine Industry Offshore oil rigs and marine environments due to their resistance to seawater corrosion.
Pharmaceutical Industry Used in sanitary piping systems due to their smooth surfaces and cleanliness.
Food Processing Safe and sanitary connections in piping systems for food production.

Why Choose Amardeep Steel Centre LLP for ASTM A403 WP Alloy Fittings?

As one of the leading A403 Alloy fittings exporters and suppliers, Amardeep Steel Centre LLP offers top-quality fittings to meet the diverse needs of industries worldwide. Our fittings are manufactured to meet the highest industry standards, ensuring safety, performance, and reliability. Here are some reasons why you should choose us:

  • Extensive Range: We offer a wide variety of ASTM A403 WP Alloy fittings in different sizes, types, and grades to meet your specific requirements.
  • Quality Assurance: Every product undergoes rigorous quality checks to ensure it meets ASTM standards and the expectations of our clients.
  • Customization: We provide customized solutions to suit unique applications, ensuring optimal performance in your specific industrial environment.
  • Global Network: We are trusted A403 Alloy fittings exporters with a strong distribution network, ensuring timely delivery to clients across the globe.
  • Competitive Pricing: Our pricing structure ensures that you receive high-quality products at the most competitive prices in the market.

ASTM A403 WP Alloy fittings offer unmatched performance in industries where strength, durability, and resistance to corrosion are essential. Their superior properties make them the go-to solution for challenging industrial applications. At Amardeep Steel Centre LLP, we are committed to providing the best-in-class Alloy fittings ASTM A403, ensuring reliability, safety, and cost-effectiveness.

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 A403 WP Alloy 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.

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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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