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          Slewing Bearing
          Slewing Drive
          Others

          Xuzhou Shambon Machinery CO.,LTD
          Add£ºTongshan High-tech Development Zone, Xuzhou, Jiangsu Province, China.
          Tel£º+86-516-83406186
          Fax£º+86-516-80296010
          E-Mail£ºinfo@xzshangbang.com

            FAQ Home>> FAQ

          Machine Function of 42CrMo
          Source :    Publication date: 2014/4/1    Read the number: 2105

          Chemical Composition and Machine Function of 42CrMo
          1)     The chemical composition of the material£º
          No
          The chemical composition   %
          C
          Si
          Mn
          Mo
          Cr
          Ni
          S
          P
          Cu
          42CrMo
          0.38~0.45
          0.17~0.37
          0.50~0.80
          0.15~0.25
          0.90~1.2
          ¡Ü0.30
          ¡Ü0.035
          ¡Ü0.035
          ¡Ü0.30
          (Note: The chemical composition of the other material must obey the standard set by the country, the allowed dispersion of the chemical composition must accord to the provision of GB222 )
          2)     Microstructure
          Steel No
          Center osteoporosis
          General osteoporosis
          Segregation
          Subcutaneous bubble
          Intergranular crack
          Level is not more than
          No allow
          42CrMo
          2.0
          2.0
          2.0
          (Note: Free rough loose center can not)
          3)Machine function:
          Central roued piece of rough mechanical properties
          Steel No
          Delivery status
          Wall thickness
          Mm
          Tensile strength
          ¦Ò b MPa
          Elongation
          ¦Ä 5 %
          Section shrinkage
          ¦× %
          42CrMo
          Quenched
          ¡Ü70
          785
          12
          40
          Slewing Bearing  Parts:
           Isolation Block:      Material  PA1010Resin
           Seal Ring:          Material  NBR( nitrile rubber buna)
           Steel Ball:          Material  GCr15
           Lubrication grease:  No.2 EP grease (GB7324-1994)
           
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          Tel£º+86-516-83406186 Fax£º+86-516-80296010 E-Mail£ºinfo@xzshangbang.com
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