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- Phase II offers a vast array of different hardness test
blocks for Rockwell, Brinell and Vickers scales, as well as
Portable hardness testers
- Phase II hardness test blocks are made of high grade
materials to insure unmatched accuracy and repeatability
throughout the entire block.
- Phase II Hardness test block surfaces are precision ground
and lapped to an average finish of less than 2uin.
- Hardness Test blocks always engineered to obtain highly
sensitive and accurate readings.
- All Made in the USA hardness test blocks conform to current
ASTM specifications
- Traceability to NIST is offered on HRC steel blocks
only.
- Prestigious Accredited laboratory by A2LA and NVLAP in the
USA
|
| Rockwell Hardness
Test Blocks (Steel) |
|
|
|
Part No.
|
Description
|
Shape
|
Range
|
Comments
|
|
900330-9413
|
Rockwell A
|
Round
|
80-88
|
Phase II std.
|
|
900330-9414H
|
Rockwell B
|
Square
|
85-100
|
Made in USA
|
|
900330-9414L
|
Rockwell B
|
Square
|
60-80
|
Made in USA
|
|
900330-9414C
|
Rockwell B
|
Round
|
85-100
|
Phase II std.
|
|
900330-9414F
|
Rockwell B
|
Round
|
60-80
|
Phase II std.
|
|
900330-9415C
|
Rockwell C
|
Round
|
20-30’s
|
Phase II std.
|
|
900330-9415D
|
Rockwell C
|
Round
|
20-30’s
|
Phase II NIST certified
|
|
900330-9415E
|
Rockwell C
|
Square
|
20-30’s
|
Made in USA/NIST cert.
|
|
900330-9416C
|
Rockwell C
|
Round
|
40’s-50’s
|
Phase II std.
|
|
900330-9416D
|
Rockwell C
|
Round
|
40’s-50’s
|
Phase II NIST certified
|
|
900330-9416E
|
Rockwell C
|
Square
|
35-55
|
Made in USA/NIST cert.
|
|
900330-9417C
|
Rockwell C
|
Round
|
60-70
|
Phase II std.
|
|
900330-9417D
|
Rockwell C
|
Round
|
60-70
|
Phase II NIST certified
|
|
900330-9417E
|
Rockwell C
|
Square
|
60-70
|
Made in USA/NIST cert.
|
|
900340-9001
|
Superficial HR15N
|
Round
|
70-91
|
Phase II std.
|
|
900340-9002
|
Superficial HR30N
|
Round
|
42-80
|
Phase II std.
|
|
