特殊合金管材
产品描述
Titanium Grade 2管 (UNS R50400 / CP Titanium) 是一款特殊合金管材。相关牌号或标准包括 UNS R50400; ASTM Grade 2 (ASTM B338, B861, F67, AMS 4902); AMS AMS 4942 / 4943 (tubing); MIL-T-9046 Type II Comp B; EN Grade 2 (EN ISO 5832-2 for implant) / EN 3.7035。常见应用包括 Power Generation; Chemical Processing; Desalination (MSF / MED / RO); Offshore / Subsea。现有尺寸信息包括 OD: 6.35 mm (1/4") – 325 mm (12.8"); WT:0.5 mm (0.020") – 12.7 mm (0.500"); ID:5.35 mm – 300 mm (from OD & WT)。如需具体规格和供应信息，请联系 Vertex Alloy。
尺寸范围
- OD: 6.35 mm (1/4") – 325 mm (12.8")
- WT:0.5 mm (0.020") – 12.7 mm (0.500")
- ID:5.35 mm – 300 mm (from OD & WT)
- L:Up to 18 m (60 ft); U-bend tubes available
牌号标准
| 标准体系 | 数值 |
|---|---|
| 🇺🇸 UNS | R50400 |
| 🇺🇸 ASTM | Grade 2 (ASTM B338, B861, F67, AMS 4902) |
| 🇺🇸 AMS | AMS 4942 / 4943 (tubing) |
| MIL-T-9046 | Type II Comp B |
| 🇪🇺 EN | Grade 2 (EN ISO 5832-2 for implant) / EN 3.7035 |
| 🇩🇪 DIN | 3.7035 |
| 🇯🇵 JIS | TP340H (JIS H4631) / Class 2 |
| 🇨🇳 GB | TA2 (GB/T 3625, titanium seamless tube) |
| 🇬🇧 BS | TA2 / IMI 125 |
| 🇷🇺 GOST | BT1-0 |
| AFNOR | T40 |
化学成分
| 元素 | 数值 |
|---|---|
| Ti | ≥ 99.0 (balance) |
| N | ≤ 0.03 |
| C | ≤ 0.10 |
| H | ≤ 0.015 |
| Fe | ≤ 0.30 |
| O | ≤ 0.25 |
| Y | ≤ 0.005 |
| Residuals (each) | ≤ 0.10 |
| Residuals (total) | ≤ 0.40 |
机械性能
| 性能 | 数值 |
|---|---|
| Tensile Strength Rm | ≥ 345 MPa (50 ksi) |
| 0.2% Yield Strength Rp0.2 | ≥ 275 MPa (40 ksi) |
| Elongation A (50 mm) | ≥ 20% |
物理性能
| 性能 | 单位 | 数值 |
|---|---|---|
| Density | - | 4.51 g/cm³ (0.163 lb/in³) — ~56% the weight of steel, ~60% heavier than aluminum |
| Melting Point | - | 1,660 ± 10 °C (3,020 °F) |
| Modulus of Elasticity E | - | 105 GPa (15.2 × 10⁶ psi) |
| Shear Modulus G | - | 42 – 45 GPa |
| Poisson's Ratio | - | 0.34 – 0.37 |
| Thermal Conductivity (20°C) | - | 17 – 21.9 W/(m·K) |
| Thermal Expansion (20–100°C) | - | 8.6 ppm/°C (4.8 ppm/°F) — ~½ of stainless steel; close to carbon steel |
| Specific Heat Capacity | - | 0.523 J/(g·K) at 20°C |
| Electrical Resistivity | - | 0.55 – 0.58 μΩ·m |
| Electrical Conductivity | - | ~3% IACS |
| Magnetism | - | Non-magnetic (paramagnetic) |
| Flammability | - | Burns in pure oxygen at elevated temperatures → avoid O₂ service without inert shielding |
应用场景
- Power Generation
- Chemical Processing
- Desalination (MSF / MED / RO)
- Offshore / Subsea
- HVAC & Refrigeration
- Marine
- Oil & Gas
- Pulp & Paper
- Food & Beverage
- Pharmaceutical / Biotech
- Aerospace
- Medical
- Cryogenic Storage