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Description
GOYOJO HR-150A Manual Metal Micro Hardness TesterProduct Description HR 150A double handle type is another fundamental model of all rockwell types,it is favored by most customers mainly because of its mechanical and manual testing mode,which is durable and stable. Without electrical power supply,and with simple designed appearance and single handle,it is very easy to operate,as well as economical and practical performance and wide using scope. There is no parameter distinguish between single and
Product Description
HR-150A double handle type is another fundamental model of all rockwell types,it is favored by most customers mainly because of its mechanical and manual testing mode,which is durable and stable.
Without electrical power supply,and with simple designed appearance and single handle,it is very easy to operate,as well as economical and practical performance and wide using scope.
There is no parameter distinguish between single and double handle type,it only depends on the user's operation habit and personal hobby.
Without electrical power supply,and with simple designed appearance and single handle,it is very easy to operate,as well as economical and practical performance and wide using scope.
There is no parameter distinguish between single and double handle type,it only depends on the user's operation habit and personal hobby.
Using Scopes:
● Rockwell Hardness Testing of Ferrous Metal,Non-ferrous Metalt and Non-metallic Material.
● Hardened and surface hardened steel, hardening and tempering steel, tempered steel, cold and hard casting parts, forging parts, hard alloy steel, aluminum alloy,bearing steel, carburized steel sheet, etc.
Feature:
● Easy to use, and the test force can be applied and unloaded by a handle;
● Dial direct reading, HRA, HRB, HRC scale;
● Other scales of Rockwell are optional;
● High precision of indication, easy installation and low failure rate
Rockwell Hardness Range:
|
Rockwell hardness scale
|
Hardness symbol
|
Indenter type |
Initial l force Fo (kg)
|
main force F1 (kg)
|
Total force F(KG)
|
Constant
|
Scope of application
|
Examples of application
|
|
A
|
HRA
|
diamond cone indenter
|
10
|
50
|
60
|
100
|
20-88HRA
|
Hard metal and hard alloy
|
|
B
|
HRB
|
1.5875mmball indenter |
10
|
90
|
100
|
130
|
20-100HRB
|
Nonferrous metal and soft metal
|
|
C
|
HRC
|
diamond cone indenter |
10
|
140
|
150
|
100
|
20-70HRC
|
heat treatment steel
|
|
D
|
HRD
|
diamond cone indenter |
10
|
90
|
100
|
100
|
40-77HRD
|
Surface hardened steel
|
|
F
|
HRF
|
1.5875mmball indenter |
10
|
50
|
60
|
130
|
60-100HRF
|
Nonferrous metal
|
|
G
|
HRG
|
1.5875mmball indenter |
10
|
140
|
150
|
130
|
30-94HRG
|
iron, copper nickel, zinc alloy
|
● A scale: It is suitable for testing the metal more than 70HRC, such as tungsten carbide, hard alloy as well as the hard sheet material and the hardening material on the surface layer.
● B scale: It is suitable for testing non-ferrous metals and alloys, annealing steel or soft or medium hardness of materials.
● C scale: It is suitable for testing the carbon steel, tool steel and alloy steel.
|
Model
|
HR-150A
|
|
Initial Testing Force
|
10kgf(98.07N)
|
|
Hardness Resolution |
0.5HR |
|
Testing Force
|
60kgf(588.4N) 100kgf(980.7N) 150kgf(1471N)
|
|
Rockwell Scale
|
HRA,HRB,HRC,HRD,HRE,HRF,HRG,HRH,HRK |
|
Testing Range
|
HRA:20-88 HRB:20-100 HRC:20-70 HRD:40-77 |
|
HRF:60-100 HRG:30-94 HRH:80-100 HRK:40-100 |
|
|
DataDisplay mode
|
Dial
|
|
Operate Mode |
Double Handle |
|
Carried Standard
|
GB/T230.1/.2 National Standard,ISO 6508-2,ASTM E18 |
|
Max Height of Specimens |
170mm
|
|
Max depth of specimens |
135mm
|
|
Dimension (cm)
|
65*40*81(L*W*H)
|
|
Packing Weight
|
80KG
|
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Good chew toy
Color: Purple & Blue
Our golden retrievers love these. They last awhile too
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Dog toy is tough and durable
Color: Blue&Red Fish
It’s great for aggressive chewers, my pittbull loves it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 1
Our dogs hurt their mouths chewing these bones
Color: Purple & Blue
I don't do a lot of reviews because I realize many are objective opinions. However, in this case I felt it was necessary to warn others. Our dogs are aggressive chewers. Their last rubber bones (not these) which we've purchased before, and recently purchased again, were destroyed quickly. Chunks of rubber came off the ends. Since those didn't hold up like they used to, I found these harder bones hoping they would last longer. They were able to gnaw into the hard plastic within a few minutes. This created sharp edges that cut their mouths. When I saw a bit of blood on the bones, I took them away from the dogs and threw them away. I wondered why they quit chewing on them after being so excited at first. Also, these are hard enough to damage a tooth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025
★★★★★ 2
Pups have shown zero interest in these toys….
Color: Purple & Blue
I would agree that these are indestructible being neither of my dogs have shown any interest in these at all. At this rate they should last forever…
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Reviewed in the United States on April 10, 2026
★★★★★ 4
Durable but losses interest
Color: Purple & Blue
My dog is an aggressive chewer. She was interested in this toy while it was new, but soon after lost interest. Good news is although it took a beating it did not break or splinter. If soppy toys are disposable in your house, give it a try.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026