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M2 1.3343 SKH9

Home>Products>Steel High Speed>M2 1.3343 SKH9

HSS M2 1.3343SK-bloccu

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M2/1.3343 die steel as the representative of the general steel W-Mo high speed steel. The steel has the advantages of fine and uniform carbide, high toughness and good plasticity.

It contains a variety of alloy elements in high alloy steel, is ledeburite steel. It has high hardness, high wear resistance, high hardness, high hardenability and sufficient plasticity and toughness, and has good casting, forging, welding and machining performance, so it occupies an important position in the tool steel.


TIPI:

1)Production load large, complex shape and valuable tool (e.g, scraper, gear, milling cutter, drilling, tapping, etc.)

2)Cold forging die, forging tools;

3)Strip cutting machine, heading forming die;

Quick Detail:

M2/1.3343 BLOCK, BLOCK H9


COMPOSITIONS:

        C       Mn        Si       Cr
       W
       Mo
        V
      0.85
      0.28      0.30
      4.15
      6.15
      5.00
      1.85


PROPRIETÀ RELATIVE

Coefficient of Thermal Expansion (65-66 HRC)
Température ︒Fin/in︒F×10-6Température ︒ Cmm/mm︒C×10-6
70-200
5.69
21-9310.23
70-4006.0921-20410.95
70-6006.4221-31611.55
70-8006.6721-42712
70-10006.9721-35812.54

ISTRUZIONI DI TRATTAMENTO CALORE

DURRITURA

TEMPERATURA CRITICA :
Ac1: 1530 ° F (832 ℃)Ac3: 1610 ° F (877 ℃)
AR1: 1430 ° F (777 ℃)AR3: 1380 ° F (749 ℃)


Priscaldamentu:To minimize distortion and stresses in large or complex tools use a double preheat. Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1100°F (593°C) equalize, then heat to 1450-1550°F (788-843°C). For normal tools, use only the second temperature range as a single preheating treatment.


Tempu:Pressurized gas, warm oil, or salt. For pressurized gas, a rapid quench rate to below 1000°F (538°C) is critical to obtain the desired properties. For oil, quench until black, about 900°F (482°C), then cool in still air to 150 -125°F (66-51°C). For salt maintained at 1000-1100°F (538-593°C), equalize, then cool in still air to 150 -125°F (66-51°C).


Temperatura:Temper immediately after quenching. Typical tempering range is 1025-1050°F (552-566°C). Hold at temperature for 2 hours, then air cool to ambient temperature. Double tempering is required. For large cross sections, and especially for blanks from which tools will be cut by wire EDM, triple tempering is strongly recommended.


Cumpagnia:

· Densità: 0.294 lb/in3 (8138 kg/m3)

· Gravità Specifica: 8.14

· Modulu d'elasticità: 30 x 106 psi (207GPa)

· Macchinabilità: 50-60% di un 1% d'acciaiu à u carbone


ItemDimensioni (mm)prucessuCundizione di consegna
BloccuT 20-200 X 300-800Laminato a caldo e forgiato a caldoSuperficie nera / Machine & Anneal



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