Stainless Steel 904L is a high-alloy austenitic stainless steel renowned for its exceptional corrosion resistance, especially in aggressive environments such as chloride-rich conditions. The use of Stainless Steel 904L fasteners is prevalent in industries where resistance to corrosion and high performance under extreme conditions is paramount.
The key feature of Stainless Steel 904L is its high nickel and chromium content, along with additions of molybdenum and copper. These elements contribute to its resistance against corrosion, pitting, and crevice corrosion, making it an ideal material for fasteners in challenging applications.
In marine environments, where exposure to saltwater and other corrosive elements is constant, Stainless Steel 904L fasteners exhibit superior performance compared to conventional stainless steels. The alloy's resistance to stress corrosion cracking and its ability to maintain mechanical properties at both high and low temperatures further enhance its suitability for a wide range of applications.
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One of the notable characteristics of Stainless Steel 904L is its non-magnetic nature, which adds to its versatility in applications where magnetic interference is a concern. This property makes it suitable for use in sensitive electronic and medical equipment where the avoidance of magnetic fields is critical.
Stainless Steel 904L fasteners find applications in various industries, including chemical processing, oil and gas, pharmaceuticals, and desalination plants. In chemical processing plants, where exposure to aggressive chemicals is common, the corrosion resistance of 904L is a valuable asset. Similarly, in the oil and gas industry, especially in offshore platforms where exposure to seawater is constant, these fasteners provide long-lasting performance.
The fabrication of Stainless Steel 904L fasteners involves precision engineering to ensure the highest quality and performance. Common fastener types include bolts, nuts, screws, and washers, each designed to meet specific application requirements. The choice of 904L fasteners offers a reliable solution for industries demanding robust, corrosion-resistant, and durable components.
ASTM A193, A194 / ASME SA193, SA194
DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
M3 - M100 | 3/6″ - 4″ | Custom Sizes
DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
UNF, BSW, BSF, METRIC, UNC, or as required
ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Hex, Threading, Square, Round as per Gauge Etc.
Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.0 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 | 23.00 – 28.00 | 1.00 – 2.00 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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