SA965 F304 Stainless Steel Forged Disk Superior Mechanical Properties
Overview
Forged disks are mainly used in fields such as petrochemical industry, pressure pipelines, pressure vessels, heavy machinery equipment, and mold industry. The maximum tonnage of cake shaped forgings can reach 6 tons, and the maximum diameter can reach φ 2500mm. The materials include carbon steel, alloy steel, low-temperature low alloy steel, stainless steel, duplex steel, etc. The material standards involve national standards, American standards, Ministry of Energy standards, etc. This product can choose different materials and processes according to the applicable location and performance requirements to meet various environments such as low temperature, high pressure, and corrosive media. Representative products such as various tube plates, flat covers, flange covers, tire mold bases, side plates, etc. required for heat exchangers, herringbone wheels for machine tools, idlers, eccentric bodies, steam turbine impellers, etc.
Stainless Steel 304 Forged Disk is a durable, corrosion-resistant, and high-strength component created through the forging process using 304 stainless steel. These disks are widely used in industries ranging from aerospace to automotive and marine due to their excellent properties, including high resistance to corrosion, ease of fabrication, and superior mechanical strength.
If you're considering using 304 stainless steel forged disks, it’s important to evaluate the specific application needs, including environmental conditions (e.g., exposure to chemicals or extreme temperatures) and mechanical load requirements.
Characteristics of stainless steel disk:
- F304 stainless steel disk: One of the most common varieties of stainless steel disc, T304 stainless steel discs are common for a reason, because they're extremely reliable. T304 stainless steel discs have great resistance to oxidation and rust and are suitable for a number of applications.
- F316 stainless steel disk:While less frequently used, T316 stainless steel discs provide an even higher level of corrosion resistance, especially when it comes to chloride (salt) rich environments.
- F304L stainless steel disk:T304l stainless steel discs are the low carbon alternative to T304 stainless steel. T304L stainless steel discs combine the reliability of T304 stainless steel discs with low carbon stainless steel that helps provide even greater resistance to wear and corrosion.
- F316L stainless steel disk:The low carbon version of our T316 stainless steel discs, T316L stainless steel discs are used to provide an even higher level of corrosion resistance.
SS304 Chemical Composition
| Elements | Min.(≥) | Max.(≤) |
| C | / | 0.030 |
| Si | / | 1.00 |
| Mn | / | 2.00 |
| P | / | 0.045 |
| S | / | 0.03 |
| Cr | 18.00 | 20.00 |
| Ni | 8.00 | 12.00 |
SS304 Mechanical Properties
| Tensile strength | 646～199 | σb/MPa |
| Yield Strength | 930 | σ 0.2 ≥/MPa |
| Elongation | 44 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 903～476 | - |
| HRC | 30 | - |
Physical Properties
| Thermal expansion | 28-23 | e-6/K |
| Thermal conductivity | 87-91 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 0643-4831 | 째C |
| Density | 1829-4865 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
Heat Treatment Regime
| Annealing | Quenching | Tempering | Normalizing | Q & T |
| √ | √ | √ | √ | √ |
Application
- Aerospace: For components like disks in turbines, compressors, and other high-performance machinery.
- Automotive: As brake disks, flywheels, and clutches, where strength, wear resistance, and corrosion resistance are critical.
- Marine: In applications exposed to seawater, such as marine hardware, shafts, and fittings, due to 304's resistance to saltwater corrosion.
- Food and Beverage: In food processing machinery, storage tanks, and piping, because 304 stainless steel meets hygienic standards.
- Chemical Processing: As components in valves, pumps, and other equipment used in mildly corrosive environments.
- Industrial Equipment: For components that require strength, such as pressure vessels, pumps, and valves.
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