Home > Forged Fittings > Stainless Steel 904L Forged Fittings
Aditya Stainless is a well-respected manufacturer and supplier of top-notch Stainless Steel 904L Forged Fittings based in Kolkata, India. With a wealth of industry experience, this company focuses on delivering high-quality forged fittings that excel in highly corrosive environments. Crafted with cutting-edge technology and rigorous quality control, their SS 904L forged fittings boast remarkable durability, impressive resistance to pitting, and outstanding mechanical strength. Aditya Stainless offers a wide array of fittings, including elbows, tees, couplings, and unions, serving industries such as chemical processing, oil & gas, and marine engineering. Their dedication to quality and prompt delivery has made them a go-to choice throughout India.
Stainless Steel 904L Forged Fittings are austenitic stainless steel alloys that contain 19–23% chromium, 23–28% nickel, 4–5% molybdenum, and 1–2% copper, all while maintaining a low carbon content. This unique blend provides exceptional resistance to strong reducing acids like sulfuric acid and superior pitting resistance in chloride environments. The mechanical properties include a tensile strength of 490 MPa, yield strength of 220 MPa, elongation of 35%, and a hardness of 90 HRB. These characteristics make SS 904L forged fittings perfect for high-stress, corrosive applications in demanding industrial sectors.
| Standards | ASTM B649 / ASME SB649 |
| Specifications | ASME B16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Size Range | NPS 1/8″- 4″ (DN 6~100) |
| Rating Pressure | Threaded End – 2000/3000/6000 LBS. Socket weld End – 3000/6000/9000 LBS. |
| Type | Socket Weld, Screwed, BSP Threaded & NPT Threaded |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 904L | min. | – | – | – | – | – | 19.0 | 4.00 – 5.00 | 23.00 | – |
| max. | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 28.00 | – | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 904L | 490 | 220 | 35 | 75 | – |
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We ensures the highest standards for its stainless steel 904L forged fittings, rigorously testing them for durability, strength and corrosion resistance. Each fitting undergoes extensive quality control procedures and is certified to appropriate industry standards. Certifications such as material testing reports (MTRs) and third-party reviews ensure reliability and efficiency.
These fittings are available in sizes from 1/8″ to 4″ and offer reliable, leak-free connections in high-pressure systems. They are commonly used in petrochemical, power generation, and oil and gas industries.
Threaded fittings, ranging from 1/8″ to 4″, provide ease of installation and maintenance. Suitable for low-pressure applications, they are widely used in plumbing, heating, and cooling systems.
These elbows, available in sizes from 1/8″ to 4″, allow for smooth directional flow changes. They are ideal for piping systems requiring high-strength connections and reduced flow resistance.
Threaded tees, in sizes ranging from 1/8″ to 4″, branch off the main line in a piping system. They provide reliable performance in various industrial and commercial applications.
These couplings, available in sizes from 1/8″ to 4″, join two pipes or fittings. They offer easy assembly and disassembly, making them suitable for maintenance and repair work.
Socket weld crosses, ranging from 1/8″ to 4″, are designed to connect four pipes at a single junction. They are used in high-pressure applications where a strong, leak-proof connection is essential.
Aditya Stainless Steel 904L Forged Fittings find extensive use in industries where high corrosion resistance and strength are crucial. Common applications include chemical processing plants for managing sulfuric and phosphoric acids, oil & gas refineries for piping systems, marine engineering for seawater equipment, and power generation plants. They are particularly well-suited for heat exchangers, condensers, and pollution control equipment due to their resistance to chloride stress corrosion cracking. In Kolkata and across India, various industries depend on these fittings for their exceptional performance in aggressive environments.
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