GB/T | JIS |
1J50 | PB |
chemical composition:
Brand | % | Ni | Fe | C | Mn | Si | P | S | Cu |
1J50 | min | 49.5 | margin | 0.30 | 0.15 | ||||
max | 50.5 | 0.03 | 0.60 | 0.30 | 0.020 | 0.020 | 0,20 |
Mechanical properties of alloys at normal temperature
brand | 品种 | 磁性能 | |||
初磁导率μO（mH/m） | 最大磁导率μm （mH/m） | 矫顽力Hc （A/m） | 饱和磁感应强度 Bs（T） | ||
1J50 | 冷轧带 | ≥3.8 | ≥62.5 | ≤9.6 | 1.5 |
锻（轧）棒板 | ≥3.1 | ≥31.3 | ≤14.4 | 1.5 | |
Average linear expansion coefficient of alloy
brand | Average coefficient of linear expansion(10一6℃) | |||||
20～100℃ | 20～200℃ | 20～300℃ | 20～400℃ | 20～500℃ | 20～600℃ | |
1J50 | 8.9 | 9.27 | 9.2 | 9.2 | 9.4 | —— |
Main characteristics
It has a rectangular hysteresis loop and a high saturation magnetic induction.
Application field
Mainly used for magnetic amplifiers, chokes, rectifier coils, and computer components in medium magnetic fields.