- 11.3351, AISI M4 round bar
- 11.3351, AISI M4 forging
- 11.3351, AISI M4 sheet
- 11.3351, AISI M4 flat bar
- 11.3351, AISI M4 pipe
11.3351, AISI M4
We can produce 11.3351, AISI M4 stainless steel round rods, 11.3351, AISI M4 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 11.3351, AISI M4 chemical composition and 11.3351, AISI M4 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.
Production specification
Round bar steel: 1mm to 3500mm
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.
We serve you with our honesty, integrity, and professionality.
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.
We serve you with our honesty, integrity, and professionality.
11.3351, AISI M4 Tool Steel
Designation by Standards
| Brand Name | LH No. | Mat. No. | DIN | EN | AISI |
| BRM4 | 875 | 1.3351 | - | - | M4 |
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 1.33 | max. 0.45 | max. 0.40 | 4.15 | 4.60 | - | 3.95 | 5.60 | - |
Description
M4 Molybdenum High Speed Tool Steels. It has a relatively high 1.3% carbon content for high hardness and excellent wear resistance.
Applications
Used for cutting tools of all types for machining operations. Heavy duty milling cutters, broaches, broaches.
Physical properties (avarage values) at ambient temperature
Density [g/cm3]: 7.97
Transformation temperatures (oC): Ac1=803, Ac3=895
Coefficient of Linear Thermal Expansion 10-6 oC-1
| 20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC | 20-600oC | 20-700oC | 20-800oC |
| 9.4 | 10.4 | 10.9 | 11.3 | 11.5 | 11.8 | 12.0 | 12.1 |
Soft Annealing
Heat to 820-848oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 255.
Hardening
Heat up to 450-600oC, 1st pre-heating: 850oC, 2nd pre-heating: 1050oC. Harden from a temperature of 1190-1230oC followed by oil, air quenching or warm bath quenching at 400oC.
Tempering
Tempering temperature: 540-560oC, 3x for 1 hour.
Tempering Temperature (oC) vs. Hardness (HRC)
| 200oC | 300oC | 400oC | 500oC | 525oC | 550oC | 575oC | 600oC | 650oC | 700oC |
| 63 | 62 | 62 | 64 | 64.5 | 65 | 64 | 62 | 57 | 47 |
Forging
Hot forming temperature: 1100-900oC.
Cold Working
Cold working may be accomplished by conventional methods with the alloy in the annealed condition.
Machinability
Machinability is relatively low, rating 40% that of the water hardening (W group) steel/" target="_blank" class="keylink">tool steels which are relatively easy to machine.
Corrosion Resistance
Not normally employed in applications requiring corrosion resistance.
Welding
This is an steel/" target="_blank" class="keylink">alloy steel and may be welded. Consult the supplier for details.
Mechanical properties
11.3351, AISI M4 Mechanical properties,Our production completely according to the 11.3351, AISI M4 standards to meet the 11.3351, AISI M4 mechanical performance, can also according to the customer request, to meet the requirements of customers of 11.3351, AISI M4 mechanical properties.
Heat treatment
11.3351, AISI M4 Heat treatment,Our production completely according to the 11.3351, AISI M4 standards to meet the 11.3351, AISI M4 Heat treatment, can also according to the customer request, to meet the requirements of customers of 11.3351, AISI M4 Heat treatment.
Machining
11.3351, AISI M4 Machining,Our production completely according to the 11.3351, AISI M4 standards to meet the 11.3351, AISI M4 Machining, can also according to the customer request, to meet the requirements of customers of 11.3351, AISI M4 Machining.
Welding performance
11.3351, AISI M4 Welding performance,Our production completely according to the 11.3351, AISI M4 standards to meet the 11.3351, AISI M4 Welding performance, can also according to the customer request, to meet the requirements of customers of 11.3351, AISI M4 Welding performance.
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