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  • Rockwell hardness tester

Rockwell hardness tester

The hardness, hardness symbol, indenter type, test range, etc. used in Rockwell hardness test. Hardness is an important indicator of mechanical properties. It is the ability of a material to resist another harder object with a certain shape and size that does not cause residual deformation to press into its surface.

Introducción

Product Introduction:

Hardness is an important indicator of mechanical properties. It is the ability of a material to resist the pressure of another harder object with a certain shape and size and no residual deformation. Rockwell hardness test is the fastest, simplest and most economical test method in mechanical property test. It is not only simple to operate and has high test efficiency, but also can directly obtain test results. With the rapid development of my country's industry, Rockwell hardness test has been widely used.

Product Features:

HR-150A Rockwell hardness tester uses hardness, hardness symbol, indenter type, test range, etc.

Ruler

Hardness

Symbol

Indenter Type

Initial test force

F0

Main test force

F1

Total test force

F

Rockwell hardness range

A

HRA

Diamond cone

98.07N

490.3N

588.4N

22-88HRA

B

HRB

Φ1.588mm Steel Ball

98.07N

882.6N

980.7N

20-100HRB

C

HRC

Diamond cone

98.07N

1.373N

1.471KN

20-70HRC












Application scope of commonly used rulers:

A scale: suitable for testing thin plate materials or surface layers, and can also be used to test metals with a hardness exceeding 70HRC, such as cemented carbide.

B scale: suitable for non-ferrous metals and their alloys and annealed steel low-hardness test pieces. The test range is 20 to 100HRB.

C scale: suitable for testing the hardness of heat-treated steel test pieces. The test range is 20 to 70HRC.


Parámetros

Technical parameters:

Initial test force: 98.07N (10kgf)

Total test force: 588.4N (60kgf) 980.7N (100kgf) 1.471KN (150kgf)

Hardness resolution: 0.5HR

Maximum distance from indentation center to machine wall: 130mm

Maximum specimen height: 170mm

Hardness tester dimensions: 457×240×629mm

Hardness tester net weight: 75kg



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