Canadian Knife

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AISI 1095 Steel


Recommended Working Sequence For 1095

Forging

When forging heat to 2100°F (1150°C). Do not forge below 1500°F (815°C).

Normalizing: Heat to 1575°F (855°C). Cool in still air.

Annealing: Heat to 1475°F (800°C). Furnace cool to 1200°F (650°C) at a rate not exceeding 50°F (28°C) per hour.

Grinding or Machining

Hardening: Austenitize- Heat to 1475°F (800°C) soak for 5 minutes then quench in a fast oil like #50 Parks.
Thicker sections can be quenched in water or brine with extreme care but oil quenching sections under 3/16 in. (5 mm) thick is the preferred method.

Tempering: As-quenched hardness of approximately 66 HRC can be achieved with a fast oil. Canola oil is a bit slower and the hardness is lower, in the range of 64 - 65 Rhc.

Stock Removal

Material comes from the supplier in the Spheroidized annealed state and is ready for working.

Grinding, Drilling or Machining

Hardening: Austenitize- Heat to 1475°F (800°C). In thicker sections can be quenched in water or brine with extreme care but can also be oil quenched in sections under 3/16 in. (5 mm) thick as the preferred method.


Tempering: As-quenched hardness of approximately 66 HRC. Hardness can be adjusted downward by proper tempering.

Tempering Chart


Tempering Temperature
Rockwell
Hardness
oC
oF
HRC
149
300
65
177
350
63-64
204
400
62-63
232
450
61-62
260
500
59-60
288
550
57-58
316
600
55-56
343
650
53-54










 

 
 

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