Customization: | Available |
---|---|
Type: | Coil |
Standard: | AISI, ASTM, DIN, GB |
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Chemical Composition (%)
Type |
C |
P |
S |
Mn |
Si |
B |
Al |
Co |
Ni |
Cr |
Fe |
<= |
|
|
|
||||||||
4J42 |
0.05 |
0.020 |
0.020 |
0.80 |
0.30 |
- |
0.10 |
1.0 |
41.5~42.5 |
- |
Bal |
Coefficient of Thermal Expansion
Type |
Coefficient of Thermal Expansion (a/10-6 K-1) |
||
20-300ºC |
20-400ºC |
20-450ºC |
|
4J42 |
4.0~5.0 |
- |
6.5~7.5 |
Tensile Strength
Type |
Tensile Strength (Rm/MPa) |
Soft |
<=590 |
H |
>=820 |
hardness of strip in deep punching status |
||
deep punching |
thickness/mm |
Hardness HV |
Fe-Ni-Cr |
≤190 |
|
Fe-Ni |
>2.5 |
≤190 |
≤2.5 |
≤165 |