GH3230合金概述
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GH3230是Ni-Cr基固溶强化型变形高温合金，使用温度范围700℃～1050℃。合金具有较高的强度和抗冷热疲劳性能，组织稳定。合金具有优异
的耐热腐蚀和抗氧化能力，适于制作航空发动机火焰筒等零件，汉锴金属主要产品有冷轧板和带材，圆棒。
GH3230应用概况及特性
GH3230合金已用于制作先进航空发动机的燃烧室部件，使用状况良好。合金经800℃×1000h长期时效后，没有TCP有害相析出。
GH3230相近牌号
Haynes230 N06230（UNS N06230）（美） W.Nr.2.4733（德）。
GH3230材料技术标准
QJ/DT 0160044 航空发动机用GH230板材、带材技术条件
Q/GYB 05062 GH3230合金冷轧薄板和带材
GH3230化学成分
| GH3230 化学成分 | ||||||||
| 元素 | C | Cr | Ni | Fe | Mo | W | Co | Ti |
| 质量分数/% | 0.05-0.15 | 20.0-24.0 | 余量 | ≤3.00 | 1.00-3.00 | 13.0-15.0 | ≤5.00 | ≤0.10 |
| 元素 | Al | Mn | S | P | Si | Cu | La | B |
| 质量分数/% | 0.2-0.5 | 0.30-1.00 | ≤0.015 | ≤0.30 | 0.25-0.75 | ≤0.50 | 0.005-0.05 | ≤0.015 |
GH3230物理性能及力学性能
| GH3230 物理性能及力学性能 | |||||||
| 密度 | 熔化温度范围 | 品种 | 热处理 | 抗拉强度MPa | 屈服强度MPa | 延伸率A % | 硬度/HBW |
| g/cm3 | ℃ | 板材 | 标准热处理 | ≥793 | ≥345 | ≥40 | 实测 |
| 8.93 | 1360-1410 | 带材 | ≥793 | ≥345 | ≥40 | 实测 | |
N06230 (UNS N06230 / W.Nr.2.4733) is a carbide strengthened nickel-chromium-tungsten-molybdenum alloy with an exceptional
combination of strength, stability, and resistance tocorrosion at very high temperatures. Alloy N06230offers particularly good resist
-ance to oxidation attemperatures greater than 1800°F (980°C). It also offersgood resistance to carburization and nitridation.The
limiting composition of alloy N06230 is listedin Table 1. The alloy is nickel-base. Chromium impartsresistance to high temperature
corrosion. Oxidation isfurther enhanced by a micro-addition of the rare earthelement, lanthanum. Tungsten and molybdenum incon
-junction with the alloy’s high carbon content arelargely responsible for the strength of the alloy. Thecreep resistance of alloy N06230
is optimized bycontrol of the boron content.The combination of high temperature strength andresistance to creep, stress rupture, and
corrosion makethe alloy attractive for service at temperatures above1800°F (980°C). Potential applications includeequipment and co
-mponents for land-based gas turbines,thermal and petrochemical processing, heat treating,and ore and metal refining.
