Stainless Steel 904L is a non-stabilized austenitic stainless steel with low carbon content. It offers excellent resistance to a wide range of corrosive environments, including sulfuric acid, phosphoric acid, and chloride-containing media. SS 904L exhibits superior weldability and formability, making it suitable for various fabrication processes. Its high nickel and chromium content contribute to its exceptional corrosion resistance properties.
SS 904L is commonly used in industries such as chemical processing, pharmaceuticals, petrochemicals, and seawater applications. It finds applications in equipment such as tanks, heat exchangers, piping systems, and components subjected to aggressive corrosive environments. Additionally, its high strength and toughness make it suitable for use in high-pressure and high-temperature conditions.
The chemical composition of SS 904L includes high levels of chromium, nickel, and molybdenum, along with low carbon content. These elements contribute to its corrosion resistance, especially in acidic environments. SS 904L also exhibits good mechanical properties, including high tensile strength, yield strength, and elongation.
Standard 904L Fasteners specifications as per Fasteners manufacturers.
Material | Stainless Steel 904L |
Specification | IS/BS/ASTM |
Standards | ASTM / ASME - A/ SA 193 |
Size | 3 mm to 200 mm |
Length | M02 to M30 |
Each 904L Fasteners have unique design each of them are used in specific applications. Some of them are mentioned below.
Note that this chart includes only some of the most common sizes of 904L Bolt. There are many other sizes available as well, and some applications may require custom sizes or special configurations.
Chromium (Cr)
19.0 - 23.0%
Nickel (Ni)
23.0 - 28.0%
Molybdenum (Mo)
4.0 - 5.0%
Carbon (C)
≤0.02%
Manganese (Mn)
≤2.0%
Silicon (Si)
≤1.0%
Phosphorus (P)
≤0.045%
Sulfur (S)
≤0.035%
Iron (Fe)
Balance
Density | 7.95 g/cm³ (0.288 lb/in³) |
Melting Point | 1350 - 1400°C (2460 - 2550°F) |
Tensile Strength | 490 - 690 MPa (71 - 100 ksi) |
Yield Strength (0.2%Offset) | 220 - 380 MPa (32 - 55 ksi) |
Elongation | 35 - 55% |
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