| Item | Description |
|---|
| Core Materials | Austenitic: 304, 304L, 316, 316L, 321Martensitic: 410, 420, 430Duplex: 2205, 2507 (upon request) |
| Weight Range (per piece) | 0.1 kg – 150 kg |
| Max Outer Diameter (ring type) | 800 mm |
| Forging Tolerance | Per GB/T 12362 or customer drawing; local dimensions within ±0.5 mm available |
| Surface Condition | Black forging / Rough turned / Finish turned / Polished |
| Main Product Forms | Flanges, pipe fittings, gear rings, ring-shaped parts, cylindrical parts, custom brackets, valve bodies, pump shafts, automotive control arms, etc. |
| Typical Applications | Automotive components, chemical valves, food machinery, marine engineering, ship outfitting, medical instruments, pump & valve industry |
| Applicable Standards | GB, ASTM, AISI, DIN, JIS, ISO, or custom according to drawings |
| Key Advantages | 1. Dense forged structure, no porosity or shrinkage 2. Excellent corrosion resistance – retains Cr/Ni content 3. Optimized grain flow – high impact & fatigue life 4. Near-net shape – reduces machining cost & material waste 5. Traceable material – spectro report provided per batch |
Common Materials & Typical Hardness After Heat Treatment.
| Grade | Type | Key Characteristics | Typical Applications |
|---|
| 304 / 304L | Austenitic | Good general performance, corrosion resistant, weldable | Food equipment, flanges, auto parts, architecture |
| 316 / 316L | Austenitic (Mo) | Resistant to chloride & seawater, acid resistant | Chemical valves, offshore platforms, medical devices, marine parts |
| 321 | Austenitic (Ti) | Resistant to intergranular corrosion, high-temperature oxidation | Boiler parts, exhaust systems, heat exchangers |
| 410 | Martensitic | Heat-treatable, good wear resistance | Pump shafts, blades, fasteners, turbine parts |
| 420 | Martensitic | Higher hardness, excellent wear resistance | Cutlery, valve sealing faces, bearing cages |
| 430 | Ferritic | Good heat resistance, oxidation resistance | Exhaust pipes, appliance parts, kitchen equipment |
| 2205 | Duplex stainless | High strength, resistant to stress corrosion | Chemical pressure vessels, seawater systems, bridge structures |
