筛选
-
- 地区
- 全部
-
- 会员级别
- 全部
硬度标尺
|
标准块的硬度范围
|
示值最大允许误差
|
离散性误差
|
HRA
|
(20~75)HRA
(>75~88)HRA
|
±2HRA
±1.5HRA
|
±0.2
±0.2
|
HRB
|
(20~45)HRB
(>45~80)HRB
(>80~100)HRB
|
±4HRB
±3HRB
±2HRB
|
±0.2
±0.2
±0.2
|
HRC
|
(20~70)HRC
|
±1.5HRC
|
±0.2
|