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Forged Rings for Slewing Rings




We can also provide Forged Rings for Slewing Rings . We can supply the material of C45 steel, 50Mn, 42CrMo material. Normally we deliver the forged rings after rough machining and quenching, and the tolerance can be discussed case by case. 


Chemical Analysis

Steel

    C

     Si

    Mn

    P

   S

  Cr

Mo

   Ni

   Cu

50Mn

0.48~0.56

0.17~0.37

0.70~1.00

0.035

0.035

0.25

 —

0.30  

0.20

42CrMo

0.38~0.45

0.17~0.37

0.50~0.80

0.035

0.035

0.90~1.20

0.15~0.25

45

0.42~0.50

0.17~0.37

0.50~0.80

0.035

0.035

0.25

   —

0.30

0.20

 * or other materials as required by customers


Mechanical Properties

Steel Grade

Tensile Strength σb

Yield Point σs

Elongation δ5

Shrinkage ψ

Impact Aku2

GB/T 699-1999

645MPa

390MPa

13%

40%

31J

50Mn

GB/T 699-1999

1080MPa

930MPa

12%

45%

63J

42CrMo

GB/T 699-1999

600MPa

355MPa

16%

40%

39J

45

Contrast of Steel Grade

Chinese Standard

DIN Standard

AISI Standard

ISO Standard

GB/T 699-1999

AISI1053

SLSM

50Mn

GB/T 699-1999

42CrMo4

4140

42CrMo4

42CrMo

GB/T 699-1999

C45E

AISI1045

C45E4

45

Heat treatment: Quenching & Tempering, Normalizing
Hardness of forged rings

Steel Grade

Quenching&Tempering

   Normalizing

         Hardness

    Hardness

GB/T 699-1999

HB229~269

  HB179~235

50Mn

GB/T 699-1999

HB269~321

*

42CrMo

GB/T 699-1999

HB228~280

 HB170~217

45

* As required by customers


 We determine the hardness according to the diameter of depression in the forged rings.

forging rings
forging rings for slewing bearing

Forged Rings for Slewing Rings

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