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In strength testing, the following materials are selectable: Mild Steel
、
High-Carbon
Steel
、
Cr Steel
、
Cr-V Steel
、
Cr-Ni Steel
、
Cr-Mo Steel
、
Cr-Ni-Mo Steel
、
Cr-Mn-Si Steel
、
Super Strength Steel and Stainless Steel. The relationship between the material
number displayed on the instrument screen and the material is as follows:
Table 5-2
Material No
Material
Material No
Material
0 Mild
steel
5
Cr-Mo steel
1 High
carbon
steel
6
Cr-Ni-Mo steel
2 Cr
steel 7
Cr-Mn-Si steel
3 Cr-V
steel
8
Super strength steel
4 Cr-Ni
steel
9 Stainless
steel
5.3 Hardness/Strength testing
Press
key to switch between hardness testing and strength testing
(
б
b) .
Note: Only D and DC type of impact device has the function of strength
testing. So hardness testing is the only selection if the impact device is
not D or DC type.
In hardness testing, Press
key to change the hardness scale. The
supported hardness scale includes: HL, HV, HB, HRC, HS, HRB and HRA.
Note
:
Here only displays the valid hardness scale for the present selected
impact device and material. It would not display the hardness scale
which is not valid.
Please select material firstly, then select hardness scale.
Presetting hardness scale recovers to HL automatically after
presetting material is changed.
5.4 Impact Direction Setting
Press the
key to move to the impact direction that you will work in.
5.5 Average Times Setting
You could modify average times within the range of 1 to 32 as following:
1) Press key in testing state. The impact times item will begin to
flash;
2) Press or
key to set the average times to the number you
want.
3) Press key finally to exit from the operation.