ISO 513 System Chart - ISO P Intro CUTTING TAPS SP MS Material specific HS High speed SL 3 4 5 10 15 20 15 20 30 50 Vc (m/min) PH stainless steel ZET-B 1.4548 - X 5 CrNiCuNb 17 4AISI 630P8 PO (p. 148) ZEN-B 17-4-PH (p. 146) SP+VA (p. 134)SP-VA (p. 136) F-SP HFIHS(p. 150)(p. 151)HFISP STFerritic - Martensiticstainless steel1.4021 - X 20 Cr 13P7AISI 420 (p. 152) ROLL ZET-B (p. 148) High tensile strength steel EH-HT (p. 280)(35) 40÷45 HRC 1.6546 - 40 NiCrMo 2 2HARDOX 400®® TOOLOX 44P6CARBIDE Tool steel LONG PM-SP (p. 130) 1.2344 - X 40 CrMoV 5 1ORVAR - W302P5 (20) 30÷40 (45) HRC 1.2379 - X 155 CrVMo 12 1 K110 HAND TAPS PH-SP (p. 128) High alloy steel (20) 25÷30 (35) HRC 1.1545 - C 105 W1 P4 1.3505 - 100 Cr 6 EG (STI) SPECIAL ZEN-B Medium alloy steel1.2330 - 35 CrMo 41.7225 - 42 CrMo 4P3THREADS,GAUGES (p. 146) THREAD F-SP (p. 150) HFIHS (p. 151) MILLSHFISP(p. 152)Carbon steeland low alloy steel1.0503 - C 45P2 SP+VA (p. 134) 1.7147 - 20 MnCr 5 SP-VA (p. 136) DIES Free cutting steel and structural steel1.0116 - St 37-3P1 CENTER 1.0715 - 9 SMn 28 DRILLS AVP 3 4 5 10 15 20 15 20 30 50 Vc (m/min) Technical Most suitable info Suitable 27