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Hardness Test Blocks and Accessories

  • 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.