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发表于 2007-11-23 20:52:21
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来自： 中国江苏苏州
Starrett® Ground Tool Steel SAE 0-1
' Z: }, o; \7 N" wOil hardenable steel alloy recommended for dies, punches, gauges and tools. It should be used where a greater degree of accuracy is desired in hardening. Its precise diameter and smooth finish make it excellent for use as steel shafting. Also referred to as "Silver Steel" in England % ^ U1 f, x# P9 Q
$ z" `$ u0 \8 p3 Y8 f% U1 i- q8 p. `
Heat Treatment:5 |# \7 T9 `; y) T( T9 u; p5 u
For cross sections smaller than 1/4” heat to 1450º - 1475ºF (788º - 802ºC) and hold until heated through. For larger sections, preheat to 1200ºF (649ºC), then raise to 1450º - 1500ºF (788º - 815ºC) hardening temperature, hold half an hour per inch of cross section. Quench in oil at 125º-150ºF (52º- 65ºC) and TEMPER IMMEDIATELY. |
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