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Stainless Steel 446 Fittings Manufacturer and Exporter
Stainless Steel 446 Fittings are commonly used in many engineering applications for demanding environments where the heat resistance and oxidation protection are important. This grade is also known as Grade 446 (UNS S44600), which contains 23-27% of chromium and provides excellent performance at high temperatures up to 110 1100°C. Their ferritic structure makes it different from other materials and provides stability during continuous exposure to heat and strong resistance to chemical environments. It also has tensile strength of around 485MPa and yield strength of 275MPa, because of this, they maintain their performance in high-pressure and high-temperature applications. Solitaire Overseas provides high-quality Stainless Steel 446 Fittings, which are made in accordance with ASTM and ASME standards while ensuring durability, precision, and consistent performance in different industrial applications.
Table of Contents
- Specification of Stainless Steel 446 Fittings
- Chemical Composition of Stainless Steel 446 Fittings
- Mechanical properties of Stainless Steel 446 Fittings
- Equivalent Grades of Stainless Steel 446 Fittings
- Types of Stainless Steel 446 Fittings
- Testing and Certification of Stainless Steel 446 Fittings
- Applicational Uses of Stainless Steel 446 Fittings
- Frequently Asked Questions
- Related Products
Specification of Stainless Steel 446 Fittings
| Parameter | Details |
|---|---|
| Specifications | ASTM A403 / ASME SA403 |
| Size Range | Seamless: 1/2" - 10" Welded: 1/2" - 48" |
| Dimensions Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS1560, BS10 |
| Thickness / Schedule | SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS (Available with NACE MR 01-75 compliance) |
| Connection Type | Welding (Butt Weld) |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or Custom |
| Manufacturing Process | Push, Press, Forge, Cast, etc. |
| Available Product Types | 90º Elbows, 45º Elbows, Tees, Cross, Reducer, Pipe Cap, Stub End, Pipe Bend |
Chemical Composition of Stainless Steel 446 Fittings
| Grade | Limits | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 446 | min. | - | - | - | - | - | 23.0 | - | - | 0.10 |
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | - | 0.50 | 0.25 |
Mechanical properties of Stainless Steel 446 Fittings
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness: Rockwell B (HR B) max | Hardness: Brinell (HB) max |
|---|---|---|---|---|---|
| 446 | 485 | 275 | 20 | 92 | 201 |
Equivalent Grades of Stainless Steel 446 Fittings
| Standard | Werkstoff Nr. | UNS |
|---|---|---|
| SS 446 | 1.4762 / 1.4763 | S44600 |
Types of Stainless Steel 446 Fittings
446 Stainless Steel Cap
446 Stainless Steel Elbow
446 Stainless Steel Pipe Bend
446 Stainless Steel Reducer
446 Stainless Steel Stub End
SS 446 Cross
SS 446 Lateral Tee
SS 446 Pipe Nipples
Stainless Steel 446 Tee
Testing and Certification of Stainless Steel 446 Fittings
Testing
Stainless Steel 446 Fittings undergo a variety of mechanical and quality tests to guarantee their reliability in extreme conditions. These include tensile, hardness, compression and Charpy impact tests to measure strength and toughness. Pressure resistance is tested by flaring and flattening tests and hydrostatic and leakage tests. Besides, both the destructive and non-destructive testing methods are employed to find out any defects present internally or at the surface of the fittings so that these fittings attain the highest standards in the industry.
Certification
All Stainless Steel 446 Fittings are subjected to precise material testing, including positive material identification (PMI), ultrasonic and radiographic testing and chemical analysis to guarantee material authenticity and compliance. Pitting and intergranular corrosion tests, micro and macro examination of the material structure, are used to prove that the material has corrosion resistance. Full traceability of each product is assured by the complete documentation supplied with the products which includes NABL-approved test reports, packing lists, fumigation certificates, product invoices, detailed specification guide and welding guide.
Applicational Uses of Stainless Steel 446 Fittings
- Petrochemical
- Oil & Gas
- Paper
- Refineries
- Nuclear Power
- Cement
- Sugar
- Power Plant
- Fertilizers
- Breweries
- Chemical
- Petrochemical
- Shipbuilding
- Defence
- Mining
- Steel Plant
- Construction
- Oil Mills
- Paper
- Engineering Co.
Request a Quote for Stainless Steel 446 Fittings
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Get a QuoteFrequently Asked Questions
Stainless Steel 446 is a high-chromium stainless steel known for excellent heat and oxidation resistance at high temperatures.
The UNS number for Stainless Steel 446 is S44600.
SS 446 is a ferritic stainless steel.
It mainly contains 23-27% chromium, low carbon, and small amounts of manganese, silicon, and other elements.
The number "446" identifies a specific high-chromium ferritic stainless steel grade with superior heat resistance.
Yes, SS 446 is magnetic due to its ferritic structure.
No, SS 446 cannot be hardened by heat treatment; it can only be strengthened by cold working.