合金钢棒材
概述
Maraging 300 is a high-strength, low-carbon maraging steel developed for applications requiring very high strength, toughness and dimensional stability. Its properties are achieved through solution treatment and aging. Vertex Alloy supplies Maraging 300 round bar according to customer specifications, including custom sizes and machining requirements.
尺寸范围
- Dia.:6 – 400mm(0.25 – 16in)
- L:1,000 – 4,000 mm (standard 3,000–3,500 mm)
- Customation
牌号标准
| 标准体系 | 数值 |
|---|---|
| 🇺🇸 UNS | K93120 |
| 🇺🇸 AMS | 6514 |
| 🇺🇸 ASTM | A538 Grade A |
| 🇩🇪 DIN | 1.6354 / X2NiCoMo18-9-5 |
| 🇪🇺 EN | EN 1.6354 |
| 🇨🇳 GB | 00Ni18Co8Mo5TiAl / 18Ni(300) |
化学成分
| 元素 | 数值 |
|---|---|
| C | ≤ 0.03 |
| Mn | ≤ 0.10 |
| Si | ≤ 0.10 |
| P | ≤ 0.01 |
| S | ≤ 0.01 |
| Ni | 18.00 – 19.00 |
| Co | 8.50 – 9.50 |
| Mo | 4.60 – 5.20 |
| Ti | 0.50 – 0.80 |
| Al | 0.05 – 0.15 |
| Zr | ≤ 0.01 |
机械性能
| 性能 | 数值 |
|---|---|
| Tensile Strength (MPa) | 950 – 1,100 |
| Yield Strength (MPa, 0.2% offset) | 650 – 850 |
| Elongation (%) | 15 – 20 |
| Reduction of Area (%) | 65 – 75 |
| Hardness (HRC) | 28 – 35 |
| Hardness (HB) | 280 – 340 |
| Impact Energy, Charpy V-Notch (J) | 75 – 100 |
物理性能
| 性能 | 单位 | 数值 |
|---|---|---|
| Density (g/cm³) | g/cm³ | 8.00 |
| Melting Range (°C) | °C | 1,410 – 1,450 |
| Modulus of Elasticity (GPa) | GPa | 190 |
| Modulus of Rigidity (GPa) | - | 74 |
| Poisson's Ratio | - | 0.30 |
| Coefficient of Thermal Expansion (µm/m·°C, 20–100°C) | ×10⁻⁶/K | 11.0 |
| Coefficient of Thermal Expansion (µm/m·°C, 20–300°C) | ×10⁻⁶/K | 12.5 |
| Coefficient of Thermal Expansion (µm/m·°C, 20–500°C) | ×10⁻⁶/K | 13.0 |
| Thermal Conductivity (W/m·K, 25°C) | W/m·K | 20.0 |
| Specific Heat (J/kg·K) | J/kg·K | 450 |
| Electrical Resistivity (nΩ·m, 25°C) | μΩ·cm | 610 |
| Electrical Conductivity (% IACS) | - | 2.8 |
应用场景
- Aerospace & Defense
- Tooling & Dies
- Industrial & Precision Engineering
- Oil & Gas
- Motorsport & Automotive
- Scientific & Instrumentation
- Firearms
- Medical