| 产品名称 | 镍合金无缝管 | 特点 | High Temperature Alloy |
|---|---|---|---|
| 标准： | GB | 材料 | GH3030 (80Ni20Cr) |
| 结束： | 平端/斜端 | 类型 | 无缝 |
| 技术： | 冷拔 | 申请： | Classification And Designation For Superalloys And High Temperature Intermetallic Materials |
| 强光 | high temperature alloy steel seamless tube， gh3030 alloy steel seamless tube， 80ni20cr nickel seamless tube | ||
High Temperature Alloy GH3030 (80Ni20Cr) GB/T15062 Nickel Alloy Steel Seamless Tube
The high quality China GB GH3030 material， as well as GB GB/T 14992 (2005) ， GB GB/T 14994 (2008) ， GB GB/T 14995 (2010) ， GB GB/T 14996 (2010) ， GB GB/T 14998 (1994) ， GB GB/T 15062 (2008) ，Classification and designation for superalloys and high temperature intermetallic materials.
| 标准 | GB |
| 材料 | GH3030 (GH 30) |
| 等效材料 | ЗИ435，XH78T |
Chemistry Composition of Grade GH3030
C | Cr | 倪 | Ti | Al | 铁 | 锰 | Si | P | S |
≤0.12 | 19.0～22.0 | 平衡 | 0.15～0.35 | ≤0.15 | ≤1.5 | ≤0.7 | ≤0.8 | ≤0.03 | ≤0.02 |
Mechanical Properties of Grade GH3030
Yield Rp0.2， Mpa | Tensile Rm， MPa | Impact KV/Ku， J | 伸长率， A% | Reduction in cross section on fracture，Z% | As-Heat-Treated Condition | Brinell hardness， HBW |
963 (≥) | 953 (≥) | 33 | 23 | 33 | Solution and Aging， Annealing， Ausaging， Q +T， etc | 424 |
Physical Properties of Grade GH3030
温度 (℃) | 弹性模量 (GPa) | Mean coefficient of thermal expansion 10-6/(℃) between 20(℃) and | 导热性 (W/m·℃) | Specific thermal capacity (J/kg·℃) | Specific electrical resistivity (Ωmm²/m) | 密度 (kg/dm³) | Poisson's coefficient |
| 21 | – | – | 0.23 | – | |||
| 984 | 459 | – | 13.3 | 311 | – | ||
| 996 | – | 34 | 44.2 | 223 | 123 |
Heat Treatment of Steel Grade GH3030
Heat treated : 1966℃ – 1948 ℃
Technological Curves of Grade GH3030
No Curve
Process performance
1. The alloy has good malleability， forging heating temperature 1180℃， final forging 900℃.
2. The average size of the grain size of the alloy is closely related to the degree of deformation of the forging， final forging temperature.
3. After heat treatment， parts surface oxidation skin can be blown sand or acid cleaning method to delete.
应用
Classification and designation for superalloys and high temperature intermetallic materials
