Description Thick Len Wid Price Qty Stock

440C Stainless Steel, Bohler N695, HRDA

.060 in 11.6 in 1.2 in $8.70
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BS40C-0060-116012 3

440C Stainless Steel, Bohler N695, HRDA

.060 in 11.6 in 1.3 in $9.40
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BS40C-0060-116013 2

440C Stainless Steel, Bohler N695, HRDA

.060 in 11.6 in 1.4 in $10.10
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BS40C-0060-116014 7

440C Stainless Steel, Bohler N695, HRDA

.060 in 11.6 in 1.5 in $10.90
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BS40C-0060-116015 11

440C Stainless Steel, Bohler N695, HRDA

.060 in 23.5 in 1.5 in $22.00
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BS40C-0060-235015 7

440C Stainless Steel, Bohler N695, HRDA

.060 in 11.6 in 2.0 in $14.50
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BS40C-0060-116020 21

440C Stainless Steel, Bohler N695, HRDA

.060 in 23.5 in 2.0 in $29.40
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BS40C-0060-235020 11

440C Stainless Steel, Bohler N695, HRDA

.060 in 11.6 in 3.0 in $21.70
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BS40C-0060-116030 3

440C Stainless Steel, Bohler N695, HRDA

.060 in 23.5 in 3.0 in $44.00
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BS40C-0060-235030 1

440C Stainless Steel, Bohler N695, HRDA

.060 in 23.5 in 6.1 in $89.50
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BS40C-0060-235061 3

440C Stainless Steel, Bohler N695, HRDA

.060 in 23.5 in 11.6 in $170.30
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BS40C-0060-235116 2

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 1.2 in $10.90
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BS40C-0080-116012 1

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 1.3 in $11.80
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BS40C-0080-116013 8

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 1.4 in $12.70
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BS40C-0080-116014 5

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 1.5 in $13.70
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BS40C-0080-116015 22

440C Stainless Steel, Bohler N695, HRDA

.080 in 23.5 in 1.5 in $27.70
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BS40C-0080-235015 25

440C Stainless Steel, Bohler N695, HRDA

.080 in 35.5 in 1.5 in $41.80
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BS40C-0080-355015 1

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 1.6 in $14.60
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BS40C-0080-116016 3

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 2.0 in $18.20
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BS40C-0080-116020 16

440C Stainless Steel, ESR, HRDA

.075 in 12.6 in 2.0 in $18.30
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BS40C-0075-126020 1

440C Stainless Steel, Bohler N695, HRDA

.080 in 23.5 in 2.0 in $36.90
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BS40C-0080-235020 32

440C Stainless Steel, Bohler N695, HRDA

.080 in 35.5 in 2.0 in $55.70
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BS40C-0080-355020 4

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 2.4 in $21.90
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BS40C-0080-116024 1

440C Stainless Steel, Bohler N695, HRDA

.080 in 11.6 in 3.0 in $27.30
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BS40C-0080-116030 10

440C Stainless Steel, Bohler N695, HRDA

.080 in 23.5 in 3.0 in $55.30
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BS40C-0080-235030 6

440C Stainless Steel, Bohler N695, HRDA

.080 in 35.5 in 3.0 in $83.60
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BS40C-0080-355030 3

440C Stainless Steel, Bohler N695, HRDA

.080 in 23.5 in 6.0 in $110.70
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BS40C-0080-235060 2

440C Stainless Steel, Bohler N695, HRDA

.080 in 23.5 in 11.6 in $213.90
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BS40C-0080-235116 6

440C Stainless Steel, Bohler N695, HRDA

.100 in 11.6 in 1.4 in $15.10
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BS40C-0100-116014 14

440C Stainless Steel, Bohler N695, HRDA

.100 in 11.6 in 1.5 in $16.20
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BS40C-0100-116015 21

440C Stainless Steel, Bohler N695, HRDA

.100 in 23.5 in 1.5 in $32.80
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BS40C-0100-235015 7

440C Stainless Steel, Bohler N695, HRDA

.100 in 35.5 in 1.5 in $49.50
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BS40C-0100-355015 1

440C Stainless Steel, Bohler N695, HRDA

.100 in 11.6 in 1.9 in $20.50
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BS40C-0100-116019 4

440C Stainless Steel, Bohler N695, HRDA

.100 in 11.6 in 2.0 in $21.60
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BS40C-0100-116020 21

440C Stainless Steel, Bohler N695, Flat Ground

.108 in 11.6 in 2.0 in $36.60
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BS40C-0108-116020G 2

440C Stainless Steel, Bohler N695, HRDA

.100 in 23.5 in 2.0 in $43.70
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BS40C-0100-235020 21

440C Stainless Steel, ESR, HRDA

.105 in 24.0 in 2.0 in $46.00
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BS40C-0105-240020 2

440C Stainless Steel, Bohler N695, HRDA

.100 in 35.5 in 2.0 in $66.00
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BS40C-0100-355020 5

440C Stainless Steel, Bohler N695, HRDA

.100 in 11.6 in 3.0 in $32.40
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BS40C-0100-116030 3

440C Stainless Steel, Bohler N695, HRDA

.100 in 23.5 in 3.0 in $65.50
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BS40C-0100-235030 3

440C Stainless Steel, Bohler N695, HRDA

.100 in 35.5 in 3.0 in $99.00
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BS40C-0100-355030 3

440C Stainless Steel, Bohler N695, HRDA

.100 in 23.5 in 5.6 in $122.30
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BS40C-0100-235056 1

440C Stainless Steel, Bohler N695, HRDA

.100 in 23.5 in 5.7 in $124.50
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BS40C-0100-235057 1

440C Stainless Steel, Bohler N695, HRDA

.100 in 23.5 in 11.6 in $253.40
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BS40C-0100-235116 2

440C Stainless Steel, Bohler N695, HRDA

.122 in 11.6 in 1.5 in $19.30
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BS40C-0122-116015 26

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 1.5 in $39.10
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BS40C-0122-235015 6

440C Stainless Steel, Bohler N695, HRDA

.122 in 11.6 in 1.9 in $24.50
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BS40C-0122-116019 2

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 1.9 in $49.50
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BS40C-0122-235019 3

440C Stainless Steel, Bohler N695, HRDA

.122 in 11.6 in 2.0 in $25.70
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BS40C-0122-116020 4

440C Stainless Steel, ESR, HRDA

.115 in 12.7 in 2.0 in $26.40
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BS40C-0115-127020 4

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 2.0 in $52.20
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BS40C-0122-235020 19

440C Stainless Steel, Bohler N695, HRDA

.122 in 11.6 in 2.1 in $27.00
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BS40C-0122-116021 9

440C Stainless Steel, Bohler N695, HRDA

.122 in 11.6 in 2.2 in $28.30
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BS40C-0122-116022 1

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 2.2 in $57.40
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BS40C-0122-235022 3

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 2.3 in $60.00
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BS40C-0122-235023 1

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 2.4 in $62.60
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BS40C-0122-235024 offer 1

440C Stainless Steel, ESR, HRDA

.111 in 23.5 in 2.5 in $58.90
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BS40C-0111-235025 1

440C Stainless Steel, Bohler N695, HRDA

.122 in 11.6 in 2.6 in $33.50
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BS40C-0122-116026 11

440C Stainless Steel, ESR, HRDA

.111 in 12.7 in 2.7 in $34.40
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BS40C-0111-127027 1

440C Stainless Steel, ESR, HRDA

.115 in 12.7 in 2.7 in $35.60
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BS40C-0115-127027 1

440C Stainless Steel, ESR, HRDA

.115 in 23.5 in 2.8 in $68.40
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BS40C-0115-235028 1

440C Stainless Steel, Bohler N695, HRDA

.122 in 11.6 in 3.0 in $38.60
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BS40C-0122-116030 4

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 3.0 in $78.20
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BS40C-0122-235030 4

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 5.2 in $135.60
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BS40C-0122-235052 1

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 6.0 in $156.50
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BS40C-0122-235060 3

440C Stainless Steel, Bohler N695, HRDA

.122 in 23.5 in 11.6 in $302.50
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BS40C-0122-235116 2

440C Stainless Steel, ESR, HRDA

.135 in 32.0 in 1.6 in $62.50
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BS40C-0135-320016 1

440C Stainless Steel, ESR, HRDA

.155 in 11.0 in 1.5 in $22.80
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BS40C-0155-110015 12

440C Stainless Steel, ESR, HRDA

.155 in 20.0 in 1.5 in $41.40
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BS40C-0155-200015 7

440C Stainless Steel, Bohler N695, HRDA

.164 in 36.5 in 1.5 in $80.10
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BS40C-0164-365015 7

440C Stainless Steel, ESR, HRDA

.155 in 20.0 in 1.7 in $46.90
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BS40C-0155-200017 1

440C Stainless Steel, ESR, HRDA

.155 in 11.0 in 2.0 in $30.30
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BS40C-0155-110020 2

440C Stainless Steel, Bohler N695, HRDA

.164 in 12.9 in 2.0 in $37.80
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BS40C-0164-129020 6

440C Stainless Steel, ESR, HRDA

.155 in 20.0 in 2.0 in $55.20
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BS40C-0155-200020 6

440C Stainless Steel, Bohler N695, HRDA

.164 in 36.5 in 2.0 in $106.80
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BS40C-0164-365020 5

440C Stainless Steel, ESR, HRDA

.155 in 11.0 in 2.1 in $31.90
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BS40C-0155-110021 1

440C Stainless Steel, Bohler N695, HRDA

.164 in 36.5 in 2.5 in $133.50
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BS40C-0164-365025 1

440C Stainless Steel, Bohler N695, HRDA

.164 in 12.9 in 3.0 in $56.60
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spinner
BS40C-0164-129030 2

440C Stainless Steel, Bohler N695, HRDA

.164 in 23.5 in 3.0 in $103.20
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BS40C-0164-235030 2

440C Stainless Steel, Bohler N695, HRDA

.164 in 36.5 in 3.0 in $160.20
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BS40C-0164-365030 4

440C Stainless Steel, Bohler N695, HRDA

.164 in 23.5 in 11.6 in $398.90
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BS40C-0164-235116 2

440C Stainless Steel, Bohler N695, HRDA

.192 in 19.9 in 1.5 in $43.30
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BS40C-0192-199015 5

440C Stainless Steel, ESR, HRDA

.191 in 24.7 in 2.0 in $74.80
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BS40C-0191-247020 1

440C Stainless Steel, ESR, HRDA

.215 in 24.5 in 1.5 in $62.60
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BS40C-0215-245015 2

440C Stainless Steel, ESR, HRDA

.220 in 24.5 in 1.5 in $64.10
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BS40C-0220-245015 3

440C Stainless Steel, ESR, HRDA

.220 in 24.5 in 2.0 in $85.40
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BS40C-0220-245020 5

440C Stainless Steel, ESR, HRDA

.220 in 24.5 in 2.2 in $93.90
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BS40C-0220-245022 1

440C Stainless Steel, ESR, HRDA

.220 in 24.5 in 3.0 in $128.10
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BS40C-0220-245030 1

440C Stainless Steel, ESR, Flat Ground

.232 in 12.7 in 2.0 in $60.10
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BS40C-0232-127020G 2

440C Stainless Steel, ESR, Flat Ground

.233 in 23.5 in 2.0 in $111.60
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BS40C-0233-235020G 2

440C Stainless Steel, ESR, HRDA

.235 in 23.5 in 2.0 in $87.50
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BS40C-0235-235020 4

440C Stainless Steel, ESR, HRDA

.240 in 23.5 in 2.7 in $120.60
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BS40C-0240-235027 1

440C Stainless Steel, ESR, HRDA

.240 in 23.5 in 6.0 in $268.10
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BS40C-0240-235060 1

440C Stainless Steel, ESR, HRDA

.260 in 20.7 in 1.5 in $64.00
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BS40C-0260-207015 2

440C Stainless Steel, ESR, HRDA

.265 in 20.7 in 2.0 in $86.90
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BS40C-0265-207020 8

440C Stainless Steel, ESR, HRDA

.280 in 36.2 in 2.0 in $160.60
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BS40C-0280-362020 1

440C Stainless Steel, ESR, HRDA

.280 in 36.2 in 2.6 in $208.80
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BS40C-0280-362026 1


440C Stainless Steel Information and Composition

Condition:
Our 440C has been properly annealed and is in the soft condition. You do not have to do any non-standard wasteful processes before heat treating. The steel must be heat treated to get to a hardened state. Follow the heat treat recipe and the steel will harden.

Ratings:
NT = Maximum Toughness
45 = Maximum Edge Holding

The rating scale is 0-100, 0 being minimum and 100 being maximum. The ratings are the maximum potential of the alloy. If the value shown is "NT", the testing has not been performed. I do not recommend heat treating to the maximum value. Choose a heat treat recipe that results in the attributes you want.

Thank you to Dr Larrin Thomas for all the testing he performed and information he has provided. Buy his book Knife Engineering to learn more about knifemaking.

Alloy Comparison Table:

Description:
The highest carbon stainless steel of the 440 series. It is a very good blade steel. I think the reason it is not more popular is because newer steels have overshadowed it.

The mill that makes the ESR 440C located in the United States. They maintain tight tolerances for alloys they produce.

Flat Ground:
Any alloy that has “Flat Ground” in the description has been Blanchard ground. Our tolerances for flat grinding are +-.001” across 12”. You can identify Blanchard grinding by circular grind marks. Do not be mislead by other descriptions. Others try to pass off less accurate types of grinding with lower tolerances as flat grinding. This is why we call out our tolerances.

Information Sources:
There are many sources of information regarding knifemaking. Some sources, like Dr. Larrin Thomas of Knife Steel Nerds, are excellent. Other sources are not as credible. It is important to vet the your information sources. Be careful of anyone who says the way to heat treat 1095 or O1 is to heat to non-magnetic and quench in used motor oil. Anyone who publishes this type of information is not credible. When possible, we use information from manufacturers and industry experts.

AI Information:
The latest trend of bad information is from Artificial Intelligence (AI). Multiple companies have AI programs. AI collects and compiles information. The problem is, AI is does not know if the information is accurate or garbage. When asked, AI regurgitates and merges good and bad data. Beware of AI data when researching materials. If you read material information that sounds like it was written by a poetry graduate student, compares materials that are not similar, contains blatantly false information, etc, it was probably AI generated. At AKS, we never use AI to generate material information.

Data Sheets:
Bohler 440C (N695) Data Sheet
Crucible 440C Data Sheet


Heat Treat440C Heat Treat Information:

Preheat: Heat to 1,400°F. Equalize temperature.

Austenitize: It is critical to not exceed the maximum austenitize temperature. If you overshoot the maximum temperature by a small amount, toughness will go down dramatically.

Ramp to 1850-1950°F and hold at temperature for 30 minutes.

Quench: Plate, air or medium oil quench to below 125°F.

Cryogenic Treating: Cyro may be performed after quenching to 125°F to reduce retained austenite. After cyro allow blade to warm to room temperature.

Temper: Temper immediately after quenching or cyro. Hold at temperature for two hours minimum and allow to cool to room temperature.

Use the graph below to select your temperatures:


Certs440C Certs

Chemical Composition Certification*

  1. Click on the button below to get the chemical composition of the steel you purchased.
  2. You will be required to enter the three character code written in red letters on your steel.
  3. If you do not see red letters on the steel, your specific chemical composition is not in the system.

Lookup Cert
 
* This material is NOT certified for medical or aerospace applications.
  .  

BS40C BS40C-0040 BS40C-0060 BS40C-0080 BS40C-0100 BS40C-0120 BS40C-0140 BS40C-0160 BS40C-0180 BS40C-0200 BS40C-0220 BS40C-0240 BS40C-0260
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440C Stainless Steel
Average rating:  
 2 reviews
 by Joe

This is the best deal on flat ground 440c stainless steel I could find.

 by Skylar

Made a nice, sharp kitchen knife with a good finish.