-
E-mail
sales@jlyq.com.cn
- Phone
-
Address
No. 20-2 Songbai East Street, Guangyuan Middle Road, Guangzhou City
Guangzhou Hongyuan Measuring Instrument Co., Ltd
sales@jlyq.com.cn
No. 20-2 Songbai East Street, Guangyuan Middle Road, Guangzhou City
Technical conditions for Brinell steel ball indenter
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BALL DIAMETERmm
|
Limit deviationmm
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Hardness value not less thanHV10
|
|
10
|
±0.005
|
850
|
|
5
|
±0.004
|
850
|
|
2.5
|
±0.003
|
850
|
|
2
|
±0.003
|
850
|
|
1
|
±0.003
|
850
|
Technical conditions for Rockwell steel ball indenter
|
hardness scales
|
Steel ball diametermm
|
Diameter tolerancemm
|
Roundness tolerancemm
|
|
B、F、G
|
1.5875
|
±0.002
|
0.002
|
|
E、H、K
|
3.175
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±0.004
|
0.004
|