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Sandvik 12C27 Sandvik 12C27

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Sandvik 12C27 Sandvik 12C27 Powered By Docstoc
					                  Sandvik 12C27                                                          Sandvik 12C27
                  PIECE HARDENING                                                        BATCH HARDENING

              o
              C/ F                                                                  o
                                                                                        C/ F


                         A                                                                           A
1080 oC / 1975F                                                       1070 oC / 1960F
                              Q                                        850 oC / 1560F
                                          T                                                                 Q             T
       o
     20 C / 70F                                                              o
                                                                           20 C / 70F


                                   Austenitizing, Quench, Tempering                                       Austenitizing, Quench, Tempering


                  AUSTENITIZING                                                           Temperature should be equalized at
                                                                                          850 oC /1560F for 30 minutes to avoid
                  Belt furnace. Time in furnace according to table.
                                                                                          unnecessary temperature variations.
                  Thickness       Thickness   Time
                  [mm]            [inches]    [minutes]                                   AUSTENITIZING
                  2.5             0.100        5
                                                                                          Batch furnace. 30 minutes in furnace.
                  3.0             0.118        6
                  3.25            0.128        7
                  3.5             0.138        8                                          QUENCH
                  3.75            0.148       10                                          As rapid as possible, for optimal result
                  4.0             0.157       12                                              o
                                                                                          600 C (1110 F) should be reached within
                                                                                          2 minutes or less.
                  QUENCH
                  As rapid as possible, for optimal result                                     TEMPERING 2 hours
                      o
                  600 C (1110 F) should be reached within
                  2 minutes or less.                                                           Hardness     Temperature
                                                                                               59HRC        175 oC / 345F
                                                                                               57HRC        225 oC / 435F
                     TEMPERING 2 hours                                                         54HRC
                                                                                                                o
                                                                                                            350 C / 660F
                     Hardness        Temperature
                                          o
                     59HRC           175 C / 345F
                     57HRC           225 oC / 435F
                     54HRC           350 oC / 660F
                  Sandvik 12C27                                                              Sandvik 12C27
                  PIECE HARDENING                                                            BATCH HARDENING
                  With deep freezing –20 oC/–5F                                              With deep freezing –20 oC/–5F

              o
              C/ F                                                                      o
                                                                                         C/ F


                          A                                                                           A
1090 oC / 1995F                                                          1080 oC / 1 975F
                              Q                                           850 oC / 1560F
                                                     T                                                         Q                 T
       o
     20 C / 70F                                                                  o
                                                                              20 C / 70F
                                   DF                                                                              DF
   –20 oC / –5F                                                              –20 oC / – 5F
                                                 Austenitizing, Quench                                                 Austenitizing, Quench
                                              Deep Freezing,Tempering                                               Deep Freezing,Tempering

                  AUSTENITIZING                                                              Temperature should be equalized at
                                                                                             850 oC /1560F for 30 minutes to avoid
                  Belt furnace. Time in furnace according to table.
                                                                                             unnecessary temperature variations.
                  Thickness       Thickness     Time
                  [mm]            [inches]      [minutes]                                    AUSTENITIZING
                  2.5             0.100          5                                           Batch furnace. 30 minutes in furnace.
                  3.0             0.118          6
                  3.25            0.128          7
                                                                                             QUENCH
                  3.5             0.138          8
                  3.75            0.148         10                                           As rapid as possible, for optimal result
                  4.0             0.157         12                                           600 oC (1110F) should be reached within
                                                                                             2 minutes or less.
                  QUENCH
                  As rapid as possible, for optimal result                                   DEEP FREEZING
                      o
                  600 C (1110 F) should be reached within                                    The material only need to reach the desired
                  2 minutes or less.                                                         deep freezing temperature, no soaking-time
                                                                                             is required.
                  DEEP FREEZING
                  The material only need to reach the desired                                   TEMPERING 2 hours
                  deep freezing temperature, no soaking-time
                  is required.                                                                  Hardness      Temperature
                                                                                                60HRC         175 oC / 345F
                                                                                                                  o
                                                                                                58HRC         225 C / 435F
                     TEMPERING 2 hours                                                                            o
                                                                                                56HRC         350 C / 660F
                     Hardness        Temperature

                     60HRC           175 oC / 345F
                     58HRC           225 oC / 435F
                     56HRC           350 oC / 660F
                  Sandvik 12C27                                                             Sandvik 12C27
                  PIECE HARDENING                                                           BATCH HARDENING
                  With deep freezing –70 oC/–95F                                            With deep freezing –70 oC/–95F

              o
              C/ F                                                                     o
                                                                                           C/ F


                         A                                                    o                         A
1090 oC / 1995F                                                          1080 C / 1975F
                              Q                                           850 oC / 1560F
                                                     T                                                        Q                  T
       o
     20 C / 70F                                                                   o
                                                                              20 C / 70F
                                   DF                                                                              DF
  –70 oC / –95F                                                            –70 oC / – 95F
                                                 Austenitizing, Quench                                                 Austenitizing, Quench
                                              Deep Freezing,Tempering                                               Deep Freezing,Tempering


                  AUSTENITIZING                                                              Temperature should be equalized at
                                                                                             850 oC /1560F for 30 minutes to avoid
                  Belt furnace. Time in furnace according to table.
                                                                                             unnecessary temperature variations.
                  Thickness       Thickness     Time
                  [mm]            [inches]      [minutes]                                    AUSTENITIZING
                  2.5             0.100          5                                           Batch furnace. 30 minutes in furnace.
                  3.0             0.118          6
                  3.25            0.128          7
                                                                                             QUENCH
                  3.5             0.138          8
                  3.75            0.148         10                                           As rapid as possible, for optimal result
                  4.0             0.157         12                                               o
                                                                                             600 C (1110 F) should be reached within
                                                                                             2 minutes or less.
                  QUENCH
                                                                                             DEEP FREEZING
                  As rapid as possible, for optimal result
                      o
                  600 C (1110 F) should be reached within                                    The material only need to reach the desired
                  2 minutes or less.                                                         deep freezing temperature, no soaking-time
                                                                                             is required.
                  DEEP FREEZING
                  The material only need to reach the desired                                     TEMPERING 2 hours
                  deep freezing temperature, no soaking-time
                  is required.                                                                    Hardness    Temperature

                                                                                                  61HRC       175 oC / 345F
                                                                                                  59HRC       225 oC / 435F
                     TEMPERING 2 hours                                                            56HRC       350 oC / 660F

                     Hardness        Temperature
                     61HRC           175 oC / 345F
                     59HRC           225 oC / 435F
                     56HRC           350 oC / 660F

				
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