JIS SKH59 AISI M42 SS 2617 High Speed Tool Steels with Milling Surface for Twist Drills , SGS BV

JIS SKH59 AISI M42 SS 2617 High Speed Tool Steels with Milling Surface for Twist Drills , SGS BV

Descrition:

E M42 is a highly cobalt alloyed high speed steel to be used when the demand for hot hardness is of great importance. E M42 has a good machinability and a good wear-resistance.

Heat Treatment

• Soft annealing in a protective atmosphere at 850-900°C, for 3 hours, followed by slow cooling at 10 °C per hour down to 700 °C, then air cooling.
• Stress-relieving at 600 °C to 700 °C for approximately 2 hours, slow cooling down to 500 °C.
• Hardening with pre-heating in 2 steps at 450-500 °C and 850-900 °C and austenitising at a temperature suitable for chosen working hardness.
• 3 tempers at 560 °C are recommended (maintain at least 1 hour each at temperatue).

Applications:

Twist drills, Broaches, Milling cutters, Reamers, End mills, Bandsaws ect.

Specifications:

Chemical Composition

Advantage of our products:

1.   Professional manufacture.

2.   Implement strict quality test & control procedure.

3.   High quality & Best price.

4.   Good after-sale service.

5.   Fast delivery time.

Our Service:

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Our good quality, excellent service and competitive prices are your best selection.

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1.  Good Quality: Your client satisfied on our quality. You can get good reputation from your market and

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2.  Good Service: Our professional service before and after sale.

3.  The reasonable price

4.  Fast & Cheap Delivery: We have big discount from forwarder (Long Contract).