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HIGH SPEED STEEL

  

Shape : Grade :

DIN 1.3243 Steel

Standards : X100CrMoV5

DIN 3243

M35
AISI M35

AFNOR Z85WDCV06-05-04-02

C Si Mn P S Cr Mo V
0.88 - 0.95 0.20 - 0.40 0.20 - 0.40 0.03 0.03 3.80 - 4.50 4.75 - 5.20 1.75 - 2.00

 

Virat Special SteelsDIN 3243

Grade Brief:

Virat Special Steels is the biggest Supplier & Stockiest of DIN 1.3243 Steel.
Din 1.3243 is cobalt content material in these high-performance excessive-speed steel results in high pink hardness and tempering resistance. As a final result, this grade is primarily suitable for conditions involving thermal stresses and discontinuous cutting. This grade is typically used as heavy-duty milling cutters of every kind, particularly stressed twist drills and taps, profile knives, machining of high-strength substances, broaches

 

A general-purpose high-speed steel of the molybdenum type, M35/DIN 3243/AISI M35 steel has balanced toughness, wear-resistance, and red hardness characteristics. This grade is frequently used in cold work punches, dies, and high-speed, light-cutting applications. Due to its better qualities, including its improved bending strength, toughness, and thermo-plasticity, all of which are 50% higher than T1, M35 High Speed Steel is by far the most widely used high-speed steel to replace T1 in most applications.
Group M steels make up over 95% of the high-speed steels produced in the US. Except for M6, all varieties of steel from M1 through M10 contain tungsten, and none of these steels contain cobalt. Tools constructed of this type of steel can be coated with titanium nitride, titanium carbide, and several other materials using a physical vapor deposition technique to increase their functionality and durability.


Mode of Supply

Virat Special Steels is the largest stockiest and supplier of DIN 3243 Steel in flat, square and round bar. We provide steel in all sizes as your requirements. DIN 3243 die steel is available in flat, square and round shape. Consult our team who will assist you for DIN 3243 steel query.

 

din-3243-steel

Steel Properties

The cobalt content in this high-performance high-speed steel results in high red hardness and tempering resistance. As a consequence, this grade is particularly suitable for conditions involving thermal stresses and discontinuous cutting. Under the name Rapidur 3245, AISI M 35 + S and material number 1.3245, this steel grade is supplied with a higher sulphur content (S = 0.10 %).

 

Mechanical Properties:

 

Tensile strength 481 MPa
Yield Strength 419 MPa
Elongation 34 %
Impact Toughness 12 KV/Ku(J)
Hardness 421 HBW
Modulus of elasticity 07 GPa

 

Heat Treatment & Processes:

Heat treatment:

The form and size of each component, as well as other external elements, will affect the heat treatment process, which includes the kind of furnace, quenching media, workpiece transfer facilities, and the heating temperatures including the rate of heating, cooling, and soaking durations.

 

Hardening:

Pre-heat the M35/DIN 3243/AISI M35 to 450–500°C and then to 820–870°C in two steps. Heat the material further until the final hardening temperature reaches between 1050 and 1250°C. Harden in a controlled furnace or vacuum for maximum results, or in a salt bath that has been thoroughly rectified.

 

Quenching:

Quenching mediums are heated oil, pressurized gas, or salt. To attain the necessary characteristics for pressurized gas, a quick quench rate to below 1000°F (538°C) is essential. For oil, quench at 900°F (482°C) or until it becomes black, then cool to 150–125°F (66–51°C) in calm air. Equalise, then cool in calm air to 150-125°F (66-51°C) for salt that is kept at 1000-1100°F (538-593°C).

 

Tempering:

Temper immediately after quenching in a temperature range of (510-620°C).

 

Forging:

Pre-heat M35/DIN 3243/AISI M35 to 450–500°C, then immediately raise the temperature to 950–1100°C for forging. Under 950°C, do not forge. After forging, cool very gently.

 

Stress Relieving:

To reduce the chance of distortion, stress relief is advised to be performed following machining and before hardening. Heat the component to 600–700°C and soak thoroughly for around two hours to reduce tension. Cool the boiler gradually.

 

Annealing:

After hot working and before re-hardening, M35/DIN 3243/AISI M35 Steel must undergo the annealing process. Heat at a maximum rate of 220°C per hour at 850°C. Always maintain temperature for two hours, or one hour every 25 mm of thickness. The furnace gradually cools. The hardness of the M35 annealed material should be 260 Brinell or less.

 

Normalizing:

M35/DIN 3243/AISI M35 is provided in an annealed, machineable state. Only when the steel has been hot wrought, forged, or toughened by the toolmaker will re-annealing be required. M35 high-speed steel should be heated to 850°C at a maximum rate of 220°C per hour.

 

Welding:

Special welding techniques including preheating and filler materials made from base material composition are used. After that , let the components cool gently.

 

Soft annealing °C Cooling Hardness HB
820 - 860 Furnace max. 269

 

Stress-relief annealing °C Cooling
630 - 650 Furnace

 

1st pre-heating °C 2nd and 3rd Hardening °C Quenching Tempering °C Hardness after Teperature HRC
up to approx. 400 in an air-circulating furnace 850 and 1050 1190 - 1230 Saltbath, at least 550 °C Oil ,Air at least twice 540-570 64 – 67

 

1 For cold-forming tools with a complex geometry, a hardening temperature at the lower end of the quoted range is recommended. The stated hardening temperatures apply to saltbath hardening only. For vacuum hardening, we suggest a reduction of 10 °C to 30 °C.


DIN 2344

 

Application

Heavy-duty milling cutters of all kinds, highly stressed twist drills and taps, profile knives, machining of high-strength materials, broaches. Manufacture of various cutting tools like cutter, broach, end milling cutter. Advanced punching die, screw die, the toughness and complex shape tools, reamer, milling cutter, bunt, punch, etc


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Addition to other Grades:

HCHCR-D2 Steel , HCHCR-D3 Steel , P20+Ni Steel , P20 Steel , DB6 Steel , H13 Steel, H11 Steel, H21 Steel, H10 Steel, H12 Steel, M2 Steel, M35 Steel, M42 Steel, T1 Steel, DIN 2379 Steel, DIN 2080 Steel, DIN 2738 Steel, DIN 2311 Steel, DIN 2714 Steel, DIN 2344 Steel , DIN 2343 Steel, DIN 2581 Steel, DIN 2365 Steel, DIN 2606 Steel, DIN 3343 Steel, DIN 3243 Steel, DIN 3247 Steel, DIN 3355 Steel AISI D2 Steel, AISI D3 Steel, AISI P20+Ni Steel, AISI P20 Steel, AISI L6 Steel, AISI H13 Steel, AISI H11 Steel, AISI H21 Steel, AISI H10 Steel, AISI H12 Steel, AISI M2 Steel , AISI M35 Steel, AISI M42 Steel , AISI T1 Steel

Products

 

  • C-545, Sector-37, Pace City - II, Gurgaon 122001 (Haryana) India
  • C-146, Focal Point, Phase - V, Ludhiana 141010 (Punjab) India

 

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