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high speed steel M42 (HS 2.9.1.8) square
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high speed steel M42 (HS 2.9.1.8) square

-BAC80

Hight speed steel
Europe: HS 2-9-1-8
Werstoff: 1.3247
France: AFNOR Z110DKCWV9.8.4.2.1
UK: BM42
USA: AISI M42
Sweden: SS2723

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Section x longueur-prix-1909

15.47€ Excluding VAT
18.56€ VAT INCLUDED
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  Section x longueur
prix
4 X 20018.56€
5 x 20021.30€
6 x 20027.91€
7 x 20031.80€
8 x 20032.45€
10 x 10017.27€
10 x 16026.35€
10 x 20031.80€
12 x 16033.61€
12 x 20038.41€
14 x 16041.15€
14 x 20049.70€
15 x 20072.82€
16 x 10034.79€
16 x 16049.70€
16 x 20060.62€
18 x 20099.29€
20 x 16072.82€
20 x 20088.78€
25 x 200140.42€
30 x 200218.42€
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  • Europe: HS 2-9-1-8 

    USA: AISI M42 

    Germany: 1.3247 

    Sweden: SS2723 

    France: AFNOR Z110DKCWV9.8.4.2.1 

    Japan: JIS SKH59 

    UK: BM42

     

     

    CHEMICAL COMPOSITION

     

     

     

    C

    Cr

    Mo

    W

    Co

    V

    1.08

    3.8

    9.4

    1.5

    8.0

    1.2

     

     

    Typical soft annealed hardness is 270 HB

  • Cold drawn and cold rolled material is typically 10-40 HB harde

 

DESCRIPTION

 

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 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 in a protective atmosphere 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 with at least 1 hour holding time each time.

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