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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
. P$ t" \1 d5 q( {+ d7 FOil 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
6 ?# K: {3 Z$ ]) |
+ v0 R8 s" B8 d8 YHeat Treatment:
& B& Q3 ` C3 r i, a- B1 AFor 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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