Page 864 - Ceratizit Catalog
P. 864

Cutting data – threading
  C259







                                                                                                 VDI 3323   group  Hard-   ness

                   Work piece
                    material                           Type of treatment / alloy                           HB
                                    annealed             ≤ 0.15 % C                              1         125
                Non alloyed steel   annealed             0.15 % - 0.45 % C                       2       150 - 250
                                    tempered             ≥ 0.45 % C                              3         300
                                    annealed                                                     6         180
                Low alloyed steel   tempered                                                    7 / 8    250 - 300
            P                       tempered                                                     9         350
                                    annealed                                                    10         200
                High alloyed steel
                                    tempered                                                    11         350
                                    annealed             ferritic / martensitic                 12         200
                Stainless steel     tempered             martensitic                            13         325
                                    heat-treated         ferritic / martensitic                 13         200
                                    quenched             austenitic                             14         180
            M   Stainless steel     quenched             ferritic / austenitic (Duplex)         14       230 - 260
                                    hardened             austenitc, precipitation hardened (PH)  14        330
                                                         pearlitic / ferritic                   15         180
                Grey cast iron
                                                         pearlitic / martensitic                16         260
                                                         ferritic                               17         160
            K   Spheroidal cast iron
                                                         pearlitic                              18         250
                                                         ferritic                               19         130
                Malleable cast iron
                                                         pearlitic                              20         230
                                    non hardened                                                21         60
                Aluminium
                wrought alloys
                                    hardened                                                    22         100
                                    non hardened         < 12 % Si                              23         75
                Aluminium           hardened             < 12 % Si                              24         90
                cast alloys
                                    non hardened         > 12 % Si                              25         130
                                                         machining alloy stock (1% Pb)          26        (110)
            N
                Copper and                               brass, red bronze                      27         90
                copper alloys (bronze,
                brass)                                   bronze                                 28         100
                                                         lead-free copper and electrolytic copper  28      100
                                                         thermosetting plastics                 29         –
                Non-metallic materials                   fibre-reinforced plastics              29         –
                                                         hard rubber                            30         –
                                    annealed             Fe-base                                31         200
      Parting and grooving / Technical information
                                    hardened             Fe-base                                32         280
                Heat-resistant
                                    annealed             Ni or Co-base                          33         250
                alloys
            S                       hardened             Ni or Co-base 30 - 58 HRC              34        (350)
                                    cast                 Ni or Co-base 1500 - 2200 N/mm²        35        (320)
                                                         pure titanium                          36       R  440*
                Titanium alloys                                                                           m
                                                         alpha + beta alloys                    37       R  1050*
                                                                                                          m
                                    hardened and tempered                                       38       55 HRC
                Tempered steel
                                    hardened and tempered                                       39       60 HRC
            H
                Chilled castings    cast                                                        40         400
                Tempered cast iron  hardened and tempered                                       41       55 HRC
                * R m  = ultimate tensile strength, measured in MPa
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