Machuca Fittings, based in Kuala Lumpur, Malaysia, stands out as a top manufacturer and supplier of high-quality Stainless Steel 309S Pipe Fittings. Known for their dedication to quality, precision, and durability, Machuca Fittings caters to a diverse array of industries, including chemical processing, petrochemicals, power generation, and industrial manufacturing. Their Stainless Steel 309S Pipe Fittings are designed to withstand corrosion, oxidation, and scaling in high-temperature settings, ensuring reliable and seamless connections. By following international standards and implementing rigorous quality control measures, Machuca Fittings provides robust piping solutions that guarantee operational efficiency, safety, and long-lasting performance in challenging industrial environments.
| Product | Stainless Steel 309S Pipe Fittings |
| Equivalents | (UNS S30908, 1.4833) |
| Standard | ASTM A403 / ASME SA403 |
| Items | Pipe Fittings |
| Size | Seamless Elbow ( 1/2″～24″), ERW / Welded / Fabricated Elbow (1/2″～48″) |
| Dimensions | ASME / ANSI – B 16.9, ASTM A403 – ASME SA403, ASME B16.9, ASME B16.25, ASME B16.28, MSS SP-43. |
| Schedule | Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc. Custom Thickness |
| Fittings Type | Butt Weld, Screwed & Socket Weld, Flanges, Instrumentation |
| Other Fittings Type | Elbows, Tees, Reducers, Caps, Stub Ends, Flanges (ANSI, Table E, D and H), Nuts, Bolts, Screws, Threaded Bars, Seamless, Welded, Elbow, Tee, Cross, Concentric & Eccentric Reducer, Pipe End Caps, Stub Ends, Bends, Dairy Fittings, etc. |
| Specifications | ASTM, ASME, DIN, GOST, JIS |
| Certification | EN 10204 |
The Stainless Steel 309S Pipe Fittings are primarily made up of iron, with 23–25% chromium and 12–15% nickel, while keeping carbon content low to boost corrosion resistance. This type of austenitic stainless steel showcases remarkable resistance to high-temperature oxidation and boasts impressive mechanical strength. Typically, it has a tensile strength ranging from 515 to 620 MPa, a yield strength of about 205 MPa, and can elongate up to 40%. The reduced carbon content helps prevent carbide precipitation, which enhances durability in harsh conditions. Additionally, this material provides good impact toughness and thermal stability, making it perfect for piping systems that face high temperatures and corrosive environments.
| ELEMENT | SS 309S |
|---|---|
| NI | 12.0 – 15.0 |
| C | 0.08 max |
| MN | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| SI | 1.0 max |
| CR | 22.0 – 24.0 |
| MO | 0.75 max |
| 309 | 309S | |||
|---|---|---|---|---|
| Typical | Minimum | Typical | Minimum | |
| Tensile Strength MPa | 560 | 515 | 540 | 515 |
| Proof Stress(0.2% Offset) MPa | 285 | 205 | 280 | 205 |
| Elongation (Percent in 50mm) | 54 | 40 | 54 | 40 |
| Hardness (Brinell) | 164 | – | 159 | – |
| Endurance (fatigue) limit, MPa | 260 | – | 260 | – |
Machuca Fittings one of the largest suppliers of Stainless Steel 309S Pipe Fittings in Kuala lumpur, Malaysia. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 309S is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 309S Pipe Fittings in the Malaysia.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 309S Pipe Fittings from Machuca Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| SS 309S | S30908 | 1.4828 |
Stainless Steel 309S Pipe Fittings offer outstanding heat and oxidation resistance, making them ideal for high-temperature applications up to 1000°C. Their low carbon content enhances weldability, reducing the risk of intergranular corrosion and ensuring long-lasting durability. These fittings exhibit excellent resistance to thermal cycling and are highly resistant to corrosion in both acidic and alkaline environments. They maintain structural integrity under high-pressure conditions and offer superior strength, flexibility, and toughness. Stainless Steel 309S fittings are easy to fabricate, providing reliable and efficient solutions for industries such as petrochemical, power generation, and chemical processing.
| Nominal PipeSize | Outside Diameter | 90° Elbows | 45° Elbows | 180° Returns | ||||
|---|---|---|---|---|---|---|---|---|
| (inches) | – | Long Radius | Short Radius | Long Radius | Long Radius | |||
| (mm) | (inches) | Center to Face (inches) | Center to Face (inches) | Center to Face (inches) | Radius (inches) | Center to Center (inches) | Back to face (inches) | |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | 7/16 | 2 1/4 | 1 11/16 | ||
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Yes, custom sizes are available for Stainless Steel 309S Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@machucafittings.com.
| NPS (inch) | Pipe Sch. | Wall Thk. (in) | OD (inch) | Temperature | ||||
|---|---|---|---|---|---|---|---|---|
| 100 | 200 | 300 | 400 | 500 | ||||
| Allowable Stress (Pressure Rating) | ||||||||
| 16700 | 16700 | 16700 | 15500 | 14400 | ||||
| 1″ | 40 | 0.133 | 1.315 | 2205 | 2205 | 2205 | 2047 | 1902 |
| 80 | 0.179 | 1.315 | 3061 | 3061 | 3061 | 2841 | 2640 | |
| 160 | 0.250 | 1.315 | 4493 | 4493 | 4493 | 4170 | 3874 | |
| 1 1/2″ | 40 | 0.145 | 1.900 | 1629 | 1629 | 1629 | 1512 | 1404 |
| 80 | 0.200 | 1.900 | 2303 | 2303 | 2303 | 2138 | 1986 | |
| 160 | 0.281 | 1.900 | 3362 | 3362 | 3362 | 3120 | 2899 | |
| 2″ | 40 | 0.154 | 2.375 | 1371 | 1371 | 1371 | 1272 | 1182 |
| 80 | 0.218 | 2.375 | 1985 | 1985 | 1985 | 1843 | 1712 | |
| 160 | 0.344 | 2.375 | 3283 | 3283 | 3283 | 3047 | 2831 | |
| 3″ | 40 | 0.216 | 3.500 | 1301 | 1301 | 1301 | 1208 | 1122 |
| 80 | 0.300 | 3.500 | 1844 | 1844 | 1844 | 1712 | 1590 | |
| 160 | 0.438 | 3.500 | 2787 | 2787 | 2787 | 2587 | 2403 | |
| 4″ | 40 | 0.237 | 4.500 | 1102 | 1102 | 1102 | 1023 | 950 |
| 80 | 0.337 | 4.500 | 1596 | 1596 | 1596 | 1482 | 1377 | |
| 160 | 0.531 | 4.500 | 2611 | 2611 | 2611 | 2424 | 2552 | |
| 5″ | 40 | 0.258 | 5.563 | 965 | 965 | 965 | 896 | 832 |
| 80 | 0.375 | 5.563 | 1428 | 1428 | 1428 | 1325 | 1231 | |
| 160 | 0.625 | 5.563 | 2474 | 2474 | 2474 | 2296 | 2133 | |
| 6″ | 40 | 0.280 | 6.625 | 877 | 877 | 877 | 814 | 756 |
| 80 | 0.432 | 6.625 | 1379 | 1379 | 1379 | 1280 | 1189 | |
| 160 | 0.719 | 6.625 | 2382 | 2382 | 2382 | 2211 | 2054 | |
| 8″ | 40 | 0.322 | 8.625 | 771 | 771 | 771 | 716 | 665 |
| 80 | 0.500 | 8.625 | 1218 | 1218 | 1218 | 1131 | 1050 | |
| 160 | 0.906 | 8.625 | 2298 | 2298 | 2298 | 2133 | 1982 | |
| 10″ | 40 | 0.365 | 10.750 | 699 | 699 | 699 | 649 | 603 |
| 80 | 0.594 | 10.750 | 1159 | 1159 | 1159 | 1075 | 999 | |
| 160 | 1.125 | 10.750 | 2289 | 2289 | 2289 | 2124 | 1974 | |
Stainless Steel 309S Pipe Fittings find extensive use in industries that demand high-temperature resistance and corrosion durability. They are frequently utilized in chemical plants, power generation facilities, petrochemical sectors, and food processing operations. These fittings are particularly suited for pipelines that transport hot gases, steam, or corrosive liquids. They are also essential in boiler systems, heat exchangers, and furnace construction due to their thermal stability and resistance to scaling. With their seamless design, mechanical strength, and outstanding corrosion resistance, Stainless Steel 309S Pipe Fittings are a reliable choice for demanding applications.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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