M261
M261 properties and heat treatment forged piece, Including M261 application and specifications, We have all specifications，Including M261 steel plate, M261 sheet, M261 square steel, M261 flat bar,M261 round bar,M261 forgings, we can own production and sales.
Introduction to Our Products:
Specialized high quality steel
We have the advantages of equipment, technologies and price
forged/hot rolling/ extrusion of steel
We can produce the M261 has the following specifications:
Round bar steel: 1mm to 3000mm
Square-shape steel: 1mm to 2000mm
Plate steel:0.1mm to 2500mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
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Chemical composition % of the ladle analysis of grade M261 and Standards
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Physical Properties
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Metric
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English
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Comments
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Density
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7.82g/cc
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0.283 lb/in³
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Mechanical Properties
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Metric
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English
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Comments
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Hardness, Rockwell C
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30.0
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30.0
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Solution Annealed
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38.0 - 42.0
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38.0 - 42.0
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Stock Standard
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<= 44.0
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<= 44.0
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After Aging
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Modulus of Elasticity
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210GPa
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30500 ksi
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Thermal Properties
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Metric
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English
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Comments
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CTE, linear
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11.3 µm/m-°C
@Temperature 100 °C |
6.28 µin/in-°F
@Temperature 212 °F |
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12.2 µm/m-°C
@Temperature 200 °C |
6.78 µin/in-°F
@Temperature 392 °F |
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12.8 µm/m-°C
@Temperature 300 °C |
7.11 µin/in-°F
@Temperature 572 °F |
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13.2 µm/m-°C
@Temperature 400 °C |
7.33 µin/in-°F
@Temperature 752 °F |
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13.5 µm/m-°C
@Temperature 500 °C |
7.50 µin/in-°F
@Temperature 932 °F |
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Thermal Conductivity
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25.0 W/m-K
@Temperature 20.0 °C |
174 BTU-in/hr-ft²-°F
@Temperature 68.0 °F |
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26.4 W/m-K
@Temperature 100 °C |
183 BTU-in/hr-ft²-°F
@Temperature 212 °F |
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29.5 W/m-K
@Temperature 200 °C |
205 BTU-in/hr-ft²-°F
@Temperature 392 °F |
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31.5 W/m-K
@Temperature 300 °C |
219 BTU-in/hr-ft²-°F
@Temperature 572 °F |
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32.3 W/m-K
@Temperature 400 °C |
224 BTU-in/hr-ft²-°F
@Temperature 752 °F |
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Component Elements Properties
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Metric
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English
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Comments
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Aluminum, Al
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1.20 %
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1.20 %
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Carbon, C
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0.130 %
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0.130 %
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Chromium, Cr
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0.350 %
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0.350 %
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Copper, Cu
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1.20 %
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1.20 %
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Iron, Fe
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91.32 %
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91.32 %
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As Balance
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Manganese, Mn
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2.00 %
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2.00 %
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Nickel, Ni
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3.50 %
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3.50 %
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Silicon, Si
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0.300 %
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0.300 %
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Machining performance
Download M261 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>
Principal Design Features
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.