ONE FIVE ONE
COLD WORK TOOL STEEL
NOMINAL ANALYSIS% C 1.00; Mn .50; Cr 5.00; Mo 1.00; V .30
DELIVERY CONDITION Annealed 250 BHN Max
CHARACTERISTICS An air-hardening tool steel giving a combination of wear resistance,
toughness and stability in hardening. It may be vacuum-hardened.
HEAT TREATMENT Annealing: oC 850-870
Stress Relieving: oC 625-650
Hardening: oC 950-980
Quench: Oil, air, salt at oC 500-550
Tempering: oC 100; 200; 300; 400; 500; 550.
HRC: 63 62 60 59 60 58
APPLICATIONS Tools for forming, blanking, piercing and blending;
drawing dies, gauges, punches and dies.
Also suitable for plastic mould tool inserts etc.


ROUND mm
6.4 7.9 9.5 11.1 12.7 14.3 15.9 17.5 19.1 20.6 22.2
23.8 25.4 26.8 28.6 30 32 35 38 41 45 51
55 58 65 70 76 81 86 91 96 101 111
116 121 131 141 155 161 172 182 192 202 208
222 232 242 263 283 293 313 323 333 363 423

SQUARE mm

54 67 80 110 130 160 210

FLAT mm

40 50 60 80 105 130 160 210 260 310 1500
20 20 20 20 20 20 20 28 28 35 16
28 28 28 28 28 28 28 35 35 42 20
35 35 35 35 35 35 35 42 42 54 28
42 42 42 42 42 42 54 54 67 35
54 54 54 54 54 67 67 80 42
67 67 67 67 80 80 110 54
80 80 80 110 110 67
90 110 80
110 110

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