- Magnetic Materials[4]
- Nickel[10]
- Other Metals & Metal Products[10]
- Other Steel Products[7]
- Steel Round Bars[9]
- Steel Sheets[3]
- Steel Strips[2]
- Steel Wire[6]
Alloy42 bar
Invar bar
The state:hot forging or hot rolls
The surface colour:shining and bright or black
Diameter:2-150mm
length:1m-1.5m
Note:
1.Alloy grades and chemical composition consistent with the provisions of table 1
the chemical composition of alloy 42 (%) | |||||||||
Alloy Grades | C | P | S | Mn | Si | Al | Co | Ni | Fe |
Not more than≤ |
| ||||||||
Alloy 42 | 0.05 | 0.020 | 0.020 | 0.80 | 0.30 | 0.1 | 1.0 | 41.5-42.5 | Balance |
2.The tensile strength of wire in line with the provisions of Table 2
Status code | State | Tensile strength,N/mm2 |
R I | Soft state Hard state | <590 >820 |
3.Strip tensile strength in line with the provisions of Table 3
Status code | State | Tensile strength,N/mm2 |
R I | Soft state Hard state | <570 >700 |
4.Alloy average linear expansion coefficient in line with the table 4
Alloy Grades | Specimen heat treatment system | The average linear expansion coefficient α, 10-6/ oC | ||
20-300 oC | 20-400 oC | 20-450 oC | ||
Alloy42 | In hydrogen atmosphere heated to 900 ± 20 oC, insulation 1h, to not more than 5 oC / min rate of cooling to below 200 oC released |
4.0-5.0 |
----- |
6.5-7.5 |
5.Alloy typical expansion coefficient
Alloy Grades | The average linear expansion coefficient α,10-6/ oC | ||||||
20-100oC | 20-200 oC | 20-300oC | 20-400oC | 20-450oC | 20-500oC | 20-600oC | |
Alloy42 | 5.6 | 4.9 | 4.8 | 5.9 | 6.9 | 7.8 | 9.2 |
