Home > Forged Fittings > Stainless Steel 347/347H Forged Fittings
Niazi Stainless, a prominent manufacturer and supplier based in Manama, Bahrain, specializes in high-quality Stainless Steel 347/347H Forged Fittings that are perfect for high-temperature and corrosive industrial settings. Renowned for their meticulous craftsmanship and durability, Niazi Stainless guarantees that every forged fitting meets international standards, ensuring outstanding performance and longevity. Their SS 347/347H Forged Fittings are specifically designed to handle thermal stress, oxidation, and harsh chemical exposure, making them a great choice for demanding applications. With a solid reputation throughout Bahrain and the Gulf region, Niazi Stainless is committed to delivering reliable, high-performance stainless steel solutions, all while providing top-notch customer service.
These Stainless Steel 347/347H Forged Fittings are made from a blend of chromium, nickel, and niobium stabilizers, which significantly boost their resistance to intergranular corrosion. The 347H variant, with its higher carbon content, enhances strength at elevated temperatures and improves creep resistance. These fittings are known for their excellent tensile strength, good toughness, and dependable thermal stability, even when exposed to high temperatures for extended periods. They maintain their mechanical integrity during thermal cycling and offer strong weldability and formability. Additionally, SS 347/347H Forged Fittings show remarkable resistance to oxidation and chemical attacks, making them ideal for critical process applications.
Stainless Steel Forged Fittings Specification : ASTM A182 / ASME SA182
Dimension Standard : ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799
Size : 1/8″ NB to 4″ NB
Type : Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type)
Rating Pressure : Threaded End – 2000 /3000/ 6000 LBS. Socket-weld End – 3000 / 6000/ 9000 LBS.
| C | Cr | Mn | Ni | P | S | Si | Cb/Ta | |
|---|---|---|---|---|---|---|---|---|
| 347 | 0.08 max | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.04 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
| 347H | min: 0.04 max: 0.10 | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.03 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 347/347H | 75 (515) | 30 (205) | 40 | 201 | 95 |
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At Niazi Stainless, all stainless steel 347/347H forged fittings are rigorously tested to ensure unmatched quality and performance. Each product is certified to international standards, including ISO, ASTM and ASME. Comprehensive testing such as fluid stability, ultrasonic and mechanical analysis provides reliability, stability and compliance for various industrial applications.
Highly resistant to intergranular corrosion, these fittings are designed for high-pressure applications. They provide a secure, leak-proof connection in sizes from 1/4″ to 4″ and various pressure ratings.
Offering exceptional resistance to oxidation and high-temperature environments, these fittings are available in sizes from 1/8″ to 4″ NPT. They are ideal for applications where high strength and durability are required.
Resistant to both corrosion and high temperatures, this elbow allows for smooth changes in pipe direction at a 45-degree angle. Sizes range from 1/2″ to 4″, accommodating various pipe dimensions.
With excellent resistance to corrosion and high temperatures, this tee connects three sections of pipe, allowing for changes in direction. Available in sizes from 1/4″ to 4″ NPT.
Featuring strong corrosion resistance and suitability for high-temperature use, this coupling connects a pipe to a threaded fitting. Common sizes include 1/4″ to 2″ NPT.
Known for its durability and resistance to corrosive environments, this cross-fitting enables four-way connections between pipes. Available in sizes from 1/2″ to 2″, it ensures robust and reliable performance.
You’ll find Stainless Steel 347/347H Forged Fittings widely used in industries that demand exceptional strength and corrosion resistance at high temperatures. They are commonly found in petrochemical processing, refinery piping systems, heat exchangers, and boiler equipment. Their stability under thermal stress makes them perfect for superheater tubes, furnace manifolds, and steam piping. Chemical processing plants depend on these fittings for their ability to withstand aggressive media. Moreover, SS 347/347H Forged Fittings are also utilized in power generation, pharmaceuticals, food processing, and aerospace applications where reliable performance is crucial.
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