CONNEX Inc.

7660 Klier Dr N.

Fairview, PA 16415

(814) 474-4550

fax (814) 474-4577

info@connexusa.com

 

 

CONNEX Spring Bushings

Hardness Comparison Table:

 

Rockwell HRc

Rockwell Hra

Vickers HV

Tensile Strength PSI*

44

72.5

434

208,000

45

73.1

446

215,000

46

73.6

458

221,000

47

74.1

471

229,000

48

74.7

484

238,000

49

75.2

498

246,000

50

75.9

513

255,000

51

76.3

528

264,000

52

76.8

544

273,000

53

77.4

560

283,000

54

78.0

577

292,000

55

78.5

595

301,000

56

79.0

613

313,000

57

79.6

633

325,000

58

80.1

653

338,000

59

80.7

674

351,000

60

81.2

697

364,000

*Inexact and only for steel