Aisi M2 Din 1 3343 Jis Skh51 Steel Round Bar Sheet Plate - China
price: 1250.00 Dollar US$
AISI M2 Steel Round Bar Sheet Plate, JIS SKH51, DIN 1.3343
M2 high speed tool steel is tungsten-molybdenum high-speed steel with a well-balanced carbon composition and high toughness.
It is also called JIS SKH51 and DIN 1.3343 steel.
It is easy to overheat, control the quenching heating temperature is necessary and the heat treatment protection requirements are strict.
It is used widely to make cutting tools because of its great hardness and wear resistance.
It has replaced T1 high speed steel in most applications, become the first choice of customer due to its great performance and extremely high-performance price ratio.
M2 steel round bar sheet plate properties and heat treat as below.
1.3343 Steel Application
The application is decided by M2 steel chemical composition and properties.
It has high hardness, red hardness.
Good thermoplasticity and excellent toughness.
It is used to make tools that require has good wear resistance and toughness which can sustain large impact forces.
Such as pinion cutters, planers, milling cutters, turning tools, drill bits and etc 1.3343 Steel Characteristics
Hardness (factory state): ≤255HB
Curing Temperature: 1220℃-1240℃
Hardness (after heat treatment): ≤ 63 HRC
It is a good choice for cutting applications due to its high wear resistance and toughness.
Carbide evenly distributed and high toughness.
Can be used to make milling cutters, reamers, broaches, gear cutters and other industrial tools.
M2 Steel Round Bar Sheet Plate Heat Treatment
Machinability
The shaping of M2 tool steels may be executed using grinding strategies.
But, which has bad grinding capability.
So they’re called as “medium” machinability tool steel under annealed conditions.
The machinability of these steels is only 50% of that of the easily machinable W group or water hardening tool steels.
Annealing
Heat to 1600° F, soak thoroughly at heat.
Furnace cool 25° F per hour to 900° F, air cool to room temperature.
Approximate annealed hardness 241 Maximum Brinell.
Stress Relief of Unhardened Material: Heat slowly to 1200 to 1250° F.
Soak for two hours per inch of thickness at heat.
Slow cool(furnace cool if possible) to room temperature.
Hardening
Heat M2 steel slowly to 1550° F, soak fully, heat to 1850° F, soak thoroughly.
Soak time in the furnace varies from a few minutes to 15 minutes, depending on tool size, the heat capacity of the furnace, and the size of the charge.
– Heat to 2150 to 2200° F for max.
toughness and minimum distortion.
– Heat to 2250 to 2275° F for max.
Tempering
Double tempering is necessary, sometimes preferred three times tempering.
Soak for 2 hours per inch of thickness.
Air cool to room temperature between tempers.
The best tempering range for hardness, strength and toughness is 1000 to 1050° F.
Quenching
For full hardness, need to oil quench to 150-200° F.
Air quenches to 150° F.
When quenching in hot salt maintains the quench just above the Ms temperature.
After equalizing withdraw parts from the hot salt and air cooled to 150° F.
M2 high speed steel is preheated prior to hardening at 2610 ° C(4730 ° F).
Then heated rapidly from 2610 ° C (4730 ° F) to 3960 ° C (7160 ° F).
The steel is finally cooled for 3 to 5 minutes and quenched in air, salt bath or oil.
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Company Contact:
- Posted By: Dongguan Songshun Mould Steel Co., Ltd.
- Phone: 076985475596
- Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China
- Email:
- Website: https://songshunsteel.com/
Published date: May 24, 2023
- Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
After more than 10 years development and growing, Songshun Steel becomes one comprehensive special steel factory, stockist and exporter.
Combined with experienced exporting team and professional technical knowledge, Songshun Steel offers both technical advice and support, as well as global professional steel solution and service.
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