Home > Forged Fittings > Stainless Steel 904L Forged Fittings
Nakamura Stainless is a trusted manufacturer and supplier of high-grade stainless steel solutions based in Pulau Ujong, Singapore. Known for precision engineering and consistent quality, Nakamura specializes in Stainless Steel 904L Forged Fittings. These fittings are ideal for high-pressure and corrosive applications. They are designed to meet the needs of industries such as chemical processing, marine, oil and gas, and pharmaceuticals. With a focus on international standards, durability, and customer satisfaction, Nakamura Stainless ensures timely delivery and cost-effective supply of 904L forged fittings across Singapore and global markets.
Stainless Steel 904L Forged Fittings are made from low-carbon, high-alloy austenitic stainless steel. This steel contains 23-28% nickel, 19-23% chromium, 4-5% molybdenum, and trace amounts of copper. This composition provides excellent resistance to strong reducing acids and pitting corrosion. Mechanically, these fittings have a tensile strength of around 490 MPa, a yield strength of 220 MPa, and an elongation of 35%. They maintain great strength and flexibility, even under high pressure and temperature. Their superb weldability and resistance to chloride-induced stress corrosion make them suitable for critical and corrosive environments.
| 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.
Stainless Steel 904L Forged Fittings are common in industries that deal with aggressive chemicals and high-pressure fluids. In the chemical and petrochemical industries, they are used in pipe systems, reactors, and heat exchangers. The marine sector depends on them for seawater applications because of their high resistance to chloride corrosion. In oil and gas, these fittings are crucial for offshore platforms and refineries. Pharmaceutical and food processing industries appreciate their non-reactive nature and hygiene. Their strength, corrosion resistance, and reliability make them well-suited for harsh and demanding applications.
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