Tool Steels M33 is stocked by 1 North American distributors and produced by 2 large mills. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required
This material is stocked primarily in Bar Products by 1 distributors.
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For mill (large volume) production click here
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Specifications
The following specifications cover Tool Steels M33
- ASTM A600 (M-33)
- DIN 1.3249
- UNS T11333
Property Results
Related Metals:
- 8-2-N Cobalt 8(tm)
- Kelvan(tm)
Chemistry Data : [top]
Carbon
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0.85 - 0.92 |
Chromium
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3.5 - 4 |
Cobalt
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7.75 - 8.75 |
Iron
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Balance |
Manganese
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0.15 - 0.4 |
Molybdenum
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9 - 10 |
Phosphorus
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0.03 max |
Silicon
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0.25 - 0.55 |
Sulphur
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0.03 max |
Tungsten
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1.3 - 2.1 |
Vanadium
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1 - 1.35 |
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Principal Design Features
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This alloy is a High Speed, molybdenum type tool steel with medium carbon and chromium and tungsten additions for strength.
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Applications
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Typically used for cutting tools of all kinds.
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Machinability
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M33 is of medium machinability. It is rated at 55 to 60% that of W group water hardening low alloy tool steels that are at a base reference of 100%.
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Forming
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Forming may be accomplished by conventional means.
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Welding
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The alloy is weldable. Consult the supplier for procedures.
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Heat Treatment
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Preheat to 1450 F then heat rapidly to 2200 - 2250 F and hold for 2 to 5 minutes. Oil, salt bath or air quenching may be used.
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Forging
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Forge at 2050F down to 1750 F. Do not forge below 1700 F.
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Hot Working
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No data - see "Forging" and consult the supplier for lower temperature working information.
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Cold Working
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M33 may be cold worked prior to hardening by conventional means.
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Annealing
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Anneal at 1625 F and slow cool in the furnace at less than 40 F per hour.
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Aging
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Not applicable to this alloy.
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Tempering
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Temper at 1000 F to 1100 F for Rockwell C of 65 to 60. For best results repeat the tempering operation a second time (double temper).
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Hardening
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See "Heat Treatment" and "Tempering".
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Other Comments
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This tool steel is similar to the tungsten high speed tool steels, but has somewhat greater toughness and is at a lower price than the tungsten steels.
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Physical Data : [top]
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Density (lb / cu. in.)
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0.296
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Specific Gravity
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8.17
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Melting Point (Deg F)
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2600
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Modulus of Elasticity Tension
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29
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Mechanical Data : [top]
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MSO currently has no data available for this grade.
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Videos :
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MSO currently has no videos available for this grade.
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Disclaimer
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