- 11.3344, DIN S6-5-3, AISI M3/2 round bar
- 11.3344, DIN S6-5-3, AISI M3/2 forging
- 11.3344, DIN S6-5-3, AISI M3/2 sheet
- 11.3344, DIN S6-5-3, AISI M3/2 flat bar
- 11.3344, DIN S6-5-3, AISI M3/2 pipe
11.3344, DIN S6-5-3, AISI M3/2
Production specification
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
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: φ6-1800mm, 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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11.3344, DIN S6-5-3, AISI M3/2 Tool Steel
Designation by Standards
Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
BRM3 | 874 | 1.3344 | S6-5-3 | HS 6-5-3 | M3/2 |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
1.20 | max. 0.45 | max. 0.40 | 4.15 | 4.95 | - | 2.95 | 6.35 | - |
Description
M3 Type 2 is a tungsten moly high speed steel/" target="_blank" class="keylink">tool steel designed to provide the great wear resistance required for severe cutting operations. With a raised C and V content. Because of this the steel has optimum durability and cutting performance.
Applications
It is used for high performance mills, reamers, broaches for processing hard materials as well as in the area of cold work steel e.g. for piercing dies in the manufacture of nuts.
Physical properties (avarage values) at ambient temperature
Density [g/cm3]: 8.07
Coefficient of Linear Thermal Expansion 10-6 oC-1
20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC | 20-600oC | 20-700oC |
11.7 | 11.9 | 12.3 | 12.8 | 13.0 | 13.0 | 13.0 |
Soft Annealing
Heat to 820-860oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 280.
Hardening
1st pre-heating: 400oC, 2nd pre-heating: 850oC and 3rd pre-heating: 850oC and 1050oC. Harden from a temperature of 1190-130oC followed by oil or air quenching or warm bath at 550oC/air.
Tempering
Tempering temperature: 540-570oC, at least 3 times. Hardness after tempering is 64-66 HRC.
Tempering Temperature (oC) vs. Hardness (HRC)
200oC | 300oC | 400oC | 500oC | 525oC | 550oC | 575oC | 600oC | 650oC | 700oC |
63 | 61 | 61.5 | 63 | 65 | 65.5 | 65 | 63 | 58 | 47 |
Forging
Hot forming temperature: 1100-900oC.
Machinability
M3 type 2 is classified as a "medium" machinability steel/" target="_blank" class="keylink">tool steel in the annealed condition. It may be shaped by grinding but is relatively poor in regard to capability of being ground. Its machinability rating is 50% as compared to the W group water hardening steel.
Corrosion Resistance
Not normally employed in applications requiring corrosion resistance.
Welding
Consult the alloy supplier for information on the advisability of welding.
Mechanical properties
Heat treatment
Machining
Welding performance
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