|
|
发表于 2007-11-23 20:52:21
|
显示全部楼层
来自： 中国江苏苏州
Starrett® Ground Tool Steel SAE 0-1
! W' S: q" m3 z- E0 Y! yOil 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 " m! E9 J& S% X! M- h! i
# p+ f$ h2 q- `/ QHeat Treatment:9 a( `5 K. V: L2 y6 S, ?
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. |
|
