75Ni8弹簧钢含有约2%的镍含量,可与1095,80CrV2,1075或1070一起用于制造大马士革钢。这里的镍抵抗酸蚀刻,使大马士革产生光泽层。它本身也可以用作具有平均边缘保持能力的相当好的刀具钢。
Chemical composition % of steel 75Ni8 (1.5634): EN 10132-4-2000C | Si | Mn | Ni | P | S | Cr | Mo |
0.72 - 0.78 | 0.15 - 0.35 | 0.3 - 0.5 | 1.8 - 2.1 | max 0.025 | max 0.025 | max 0.15 | max 0.1
|
Mechanical properties of steel 75Ni8 (1.5634)Nominal thickness (mm): | 0.1 - 10 |
|
|
Rm - Tensile strength (MPa) (+A) | 680 |
Nominal thickness (mm): | 0.1 - 10 |
|
|
Rm - Tensile strength (MPa) (+QT) | 1200-1800 |
Nominal thickness(mm): | 0.3 - 3 |
|
|
Rp0.2 0.2% proof strength (MPa) (+A) | 540 |
Nominal thickness (mm): | 0.1 - 10 |
|
|
A - Min. elongation Lo = 80 mm (%) (+A) | 13 |
Vickers hardness ( HV): (+A) | 210 |
Vickers hardness ( HV): (+A) | 370 - 550 |