Stainless Steel 446 Fittings Manufacturers, Suppliers & Exporters

The Stainless Steel 446 Fittings are a high-chromium ferritic stainless steel components for high temperature and oxidation resistance applications. They provide superior scaling, sulfur containing atmospheres and thermal cycling resistance and are ideal for heat treatment equipment, furnaces, petrochemical plants, power generation facilities and industrial pipe systems. We offer a complete range of SS 446 fittings such as Elbows, Tees, Reducers, Pipe Bends, Weld Neck Flanges, Blind Flanges, Flat Face Flanges as per international standards.

Stainless Steel 446 Fittings

Stainless Steel 446 Fittings are extensively used in sectors where high resistance to oxidation and corrosion is required at high temperatures. The high chromium concentration of grade 446 gives it excellent resistance to scale and oxidation in conditions where common stainless steels may not.

As experienced Stainless Steel 446 Pipe Fittings Manufacturers in India, we deliver precision-engineered products that fulfill demanding industry standards. We have seamless and welded fittings designed for demanding applications like as high temperatures, corrosive media and continuous process operations.

We provide stainless steel 446 fittings in standard and bespoke sizes as per international specifications and quality standards.

What are SS 446 Fittings?

SS 446 Fittings are piping components manufactured from ferritic stainless steel grade 446 which is noted for its excellent Heat Resistance and excellent corrosion resistance in sulfur rich conditions.

These fittings are used to join, reroute, reduce or terminate pipe systems with sound structural integrity under difficult working conditions.

Key characteristics include:

  • Excellent oxidation resistance up to 1100°C
  • High chromium content for enhanced corrosion resistance
  • Good resistance to sulfur-bearing gases
  • Superior scaling resistance
  • Excellent thermal stability
  • Long service life in elevated temperature applications

These properties make alloy 446 fittings a preferred choice for industrial processing facilities worldwide.

ss-446-pipe-fitting

Advantages of Alloy 446 Fittings

  • Exceptional Oxidation Resistance: The high chromium content provides outstanding resistance to oxidation at elevated temperatures.
  • Superior Heat Resistance: Suitable for continuous service in temperatures exceeding many standard stainless steel grades.
  • Excellent Sulfur Resistance: Performs effectively in sulfur-containing atmospheres found in industrial processing plants.
  • Long Service Life: Reduced maintenance requirements help lower overall operational costs.
  • Reliable Mechanical Performance: Maintains structural integrity under thermal cycling conditions.

Product Range of Stainless Steel 446 Pipe Fittings

We offer a complete range of 446 stainless steel pipe fittings manufactured according to ASME, ASTM, ANSI, DIN, EN, and MSS standards.

SS 446 Pipe Bends & Elbows

Our SS 446 Pipe Bends and Elbows are designed to change flow direction efficiently while minimizing pressure loss.

Available Types:

  • 45 Degree Elbows
  • 90 Degree Elbows
  • 180 Degree Return Bends
  • Long Radius Elbows
  • Short Radius Elbows
  • Custom Pipe Bends

These fittings are widely used in refinery, power generation, and heat treatment industries.

SS 446 Tees

  • Equal Tees
  • Reducing Tees
  • Fabricated Tees

SS 446 Reducers

  • Concentric Reducers
  • Eccentric Reducers

SS 446 Stub Ends

Available in long and short pattern designs for flange connections.

SS 446 Pipe Caps

Used for securely terminating piping systems and pressure lines.

SS 446 Weld Neck Flanges, Blind Flanges & Flat Face Flanges

Apart from fittings, we also supply premium-quality SS 446 weld neck flanges, SS 446 blind flanges, and SS 446 flat face flanges for high-temperature piping systems.

SS 446 Weld Neck Flanges

These flanges are designed for severe service conditions where strength and reliability are critical. Their tapered hub design helps distribute stress evenly throughout the piping system.

SS 446 Blind Flanges

Blind flanges are used to close pipeline ends, pressure vessel openings, and maintenance access points.

SS 446 Flat Face Flanges

Flat face flanges provide reliable sealing performance in low-pressure systems and applications requiring non-metallic gaskets. Our extensive stock enables quick deliveries to customers across domestic and international markets.

SS 446 Fittings
446 SS Fittings

Stainless Steel 446 Fittings Specifications

Specification Details
Material Grade Stainless Steel 446
UNS Number S44600
ASTM Standard ASTM A403
ASME Standard ASME SA403
Type Seamless & Welded
Manufacturing Standard ASME B16.9, MSS SP-43, MSS SP-75
Size Range ½” NB to 48″ NB
Schedule SCH 5, SCH 10, SCH 20, SCH 40, SCH 60, SCH 80, SCH 120, SCH 160, XXS
End Connection Butt Weld
Form Elbows, Tees, Reducers, Caps, Stub Ends, Pipe Bends
Testing PMI, Hydrostatic, IGC, Radiography, Mechanical Testing
Surface Finish Pickled, Passivated, Sand Blasted, Machined
Origin India
Certification EN 10204 3.1, Mill Test Certificate

Mechanical Properties of SS 446

Property Value
Tensile Strength 485 MPa Min
Yield Strength 275 MPa Min
Elongation 20% Min
Hardness 217 HB Max

Chemical Composition of Stainless Steel 446

Element Composition (%)
Chromium 23.0 – 27.0
Carbon 0.20 Max
Manganese 1.50 Max
Silicon 1.00 Max
Phosphorus 0.040 Max
Sulfur 0.030 Max
Iron Balance

Physical Properties of Stainless Steel 446

Property Value
Density 7.70 g/cm³
Melting Range 1425 – 1510°C
Electrical Resistivity 0.60 μΩ·m
Modulus of Elasticity 200 GPa
Thermal Conductivity 23 W/m·K
Specific Heat Capacity 460 J/kg·K
Thermal Expansion (20-100°C) 10.4 μm/m°C
Magnetic Permeability Magnetic

Applications of Stainless Steel 446 Fittings

Due to their excellent high-temperature properties, SS 446 fittings are commonly used in:

  • Heat Treatment Furnaces
  • Petrochemical Processing Plants
  • Power Generation Facilities
  • Industrial Boilers
  • Cement Manufacturing Plants
  • Steel Processing Equipment
  • Thermal Oxidizers
  • Waste Incineration Systems
  • Chemical Processing Industries
  • Glass Manufacturing Plants

Stainless Steel 446 Fittings Suppliers USA

As a global exporter, we supply stainless steel 446 fittings suppliers USA requirements with competitive pricing, complete documentation, and international quality compliance.

Our export capabilities include:

  • Mill Test Certificates
  • Third-Party Inspection Reports
  • PMI Testing
  • Material Traceability
  • Custom Packaging
  • Worldwide Shipping

We serve customers across Texas, California, Florida, Pennsylvania, Ohio, New York, and other major industrial regions.

Alloy 446 Pipe Fittings Distributors in Texas

Industrial facilities throughout Texas require dependable suppliers capable of delivering corrosion-resistant and heat-resistant piping components. We regularly supply alloy 446 pipe fittings distributors in Texas serving industries such as:

  • Oil & Gas
  • Petrochemicals
  • Power Plants
  • Manufacturing Facilities
  • Industrial Processing Plants

Our inventory management and export logistics enable timely deliveries for urgent project requirements.

Related SS Fittings Grades

Why Choose Us for SS 446 Fittings?

  • Extensive Product Inventory: A comprehensive stock of fittings and flanges in multiple dimensions and schedules.
  • International Quality Standards: Products manufactured according to ASTM, ASME, ANSI, MSS, DIN, and EN specifications.
  • Competitive Pricing: Direct sourcing and efficient supply chain management help provide cost-effective solutions.
  • Global Export Experience: Serving customers across North America, Europe, the Middle East, Southeast Asia, and Africa.
  • Technical Support: Our experienced team assists with material selection, specifications, and project requirements.

Global Reach

ASC LLP 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 Stainless Steel 446 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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