Tool Steels M41 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 Flat Rolled 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 M41
- ASTM A600 (M-41)
- DIN 1.3246
- UNS T11341
Property Results
Chemistry Data : [top]
Carbon
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1.05 - 1.15 |
Chromium
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3.75 - 4.5 |
Cobalt
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4.75 - 5.75 |
Iron
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Balance |
Manganese
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0.2 - 0.6 |
Molybdenum
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3.25 - 4.25 |
Phosphorus
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0.03 max |
Silicon
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0.15 - 0.5 |
Sulphur
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0.03 max |
Tungsten
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6.25 - 7 |
Vanadium
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1.75 - 2.25 |
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Principal Design Features
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This alloy is a High Speed, tungsten, molybdenum containing tool steel. It has good toughness along with hardness and is lower in cost than an equivalent tungsten (W) tool steel.
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Applications
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Primary application is as cutting tools for machining operations.
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Machinability
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Machinability of M41 is rated at 55% that of the W group water hardening low alloy tool steels which are at 100% as a machinability reference.
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Forming
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Forming of the alloy may be done in the annealed condition be conventional methods.
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Welding
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M41 is weldable. Consult the supplier for procedures and details.
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Heat Treatment
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Preheat at 1450 F and then rapidly heat to 2250 F. Hold parts for 2 to 5 minutes and air cool, salt bath or oil quench.
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Forging
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Forge at 2100 F down to 1750 F. Do not forge below 1700 F.
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Hot Working
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No data given except for "Forging".
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Cold Working
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Cold working of M41 in the annealed condition may be done by conventional methods.
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Annealing
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Anneal at 1600 - 1650 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 to 1100 F for at least one hour at temperature. Repeating the tempering operation twice more, for a triple temper, is recommended. Rockwell C hardness will be in the range of 70 to 65.
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Hardening
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See "Heat Treatment" and "Tempering".
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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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This publication may include technical inaccuracies or typographical errors. Changes may be periodically made to the information herein.
