合金钢棒材
产品描述
哈氏合金C-22（Hastelloy C-22，UNS N06022，DIN 2.4602）是镍铬钼钨固溶强化超级合金，在所有镍合金中具有最全面的耐腐蚀性能。比 C-276 更高的铬含量（20-22.5%）和更低的碳含量（≤0.015%），使其在氧化性和还原性介质中均表现优异。我司供应 C-22 固溶退火磨光圆棒，直径 5-250mm，执行 ASTM B574 标准，附 EN 10204 3.1 材质证明。PREN≈66（优于 C-276），无磁性，焊接性优异，耐点蚀、缝隙腐蚀和应力腐蚀开裂性能突出。广泛应用于化工、制药、烟气脱硫、海洋、核能等行业。
尺寸范围
- Ground Round Bar (h8):5 – 250 mm
- Peeled Bar (h9/h10):20 – 300 mm
- Black Bar (as-forged):30 – 350 mm
- Bar Length: 1500 – 6000 mm
- Custom Length:Available on request
- Tolerance Options: h7 / h8 / h9 / h10
- Custom Machining:Available per drawing
牌号标准
| 标准体系 | 数值 |
|---|---|
| UNS (USA) | N06022 |
| DIN / EN (Germany/EU) | 2.4602 / NiCr21Mo14W |
| Haynes Trademark | HASTELLOY® C-22® |
| GB (China) | NS 338 / 00Cr22Ni60Mo13W3 |
| ISO | NiCr21Mo14W |
| Common Names | Alloy 22 |
化学成分
| 元素 | 数值 |
|---|---|
| Ni | Balance (≥ 56) |
| Cr | 20.0 – 22.5 |
| Mo | 12.5 – 14.5 |
| W | 2.5 – 3.5 |
| Fe | 2.0 – 6.0 |
| Co | ≤ 2.5 |
| C | ≤ 0.015 |
| Mn | ≤ 0.50 |
| Si | ≤ 0.08 |
| V | ≤ 0.35 |
| P | ≤ 0.02 |
| S | ≤ 0.02 |
机械性能
| 性能 | 数值 |
|---|---|
| Tensile Strength | ≥ 690 MPa |
| Yield Strength (0.2% offset) | ≥ 283 MPa |
| Elongation | ≥ 45 % |
| Reduction of Area | ≥ 50 % |
| Hardness | ≈ 87 HRB (190 HB) |
| Impact Toughness (Charpy V, −196 °C) | ≥ 100 J |
物理性能
| 性能 | 单位 | 数值 |
|---|---|---|
| Density | - | 8.69 g/cm³ |
| Melting Range | - | 1351 – 1387 °C |
| Specific Heat Capacity | - | 414 J/(kg·K) |
| Thermal Conductivity | - | 10.1 W/(m·K) |
| Electrical Resistivity | - | 1.28 μΩ·m |
| Elastic Modulus | - | 205 GPa |
| Poisson's Ratio | - | 0.30 |
| Thermal Expansion (20–100 °C) | - | 12.4 × 10⁻⁶ /K |
| Magnetic | - | No (non-magnetic) |
应用场景
- Chemical Processing:Reactor vessels, heat exchangers, piping, valves, agitators
- Pharmaceutical:Tablet press punches, dies, capsule filler tooling
- Flue Gas Desulfurization (FGD):Scrubber internals, dampers, absorber outlet dampers
- Waste Incineration:Boiler internals, wet scrubbers, ductwork
- Marine / Offshore:Seawater piping, heat exchanger tubes, splash-zone fasteners
- Nuclear:Radioactive waste container shells, long-term storage overpacks
- Petrochemical:Sour gas service, acid gas removal units, refinery piping
- Pulp & Paper:Bleach plant washers, piping in chloride environments
- Pollution Control:Stack liners, scrubber components, wastewater treatment