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Quick Details

  • Steel Grade: M42/W2 Mo9Cr4VCo8/DIN1.3207
  • Standard: AISI, ASTM, BS, DIN, GB, JIS
  • Dimensions: Round Bar: 2mm - 300mm
  • Place of Origin: Liaoning, China (Mainland)
  • Brand Name: unite
  • Model Number: Flat: thickness:0.6-250mm, width:30-810mm .
  • Technique: hot rolled, hot forged, cold drawn, polished
  • Application: Tool Steel Bar
  • Alloy Or Not: Is Alloy
  • Special Use: Mold Steel
  • Type: high speed steel
  • Ultrasonic Test: According with SEP 1921
  • Keyword: high speed steel
  • Skype: erichuang20111
  • Process: hot rolled, hot forged, cold drawn, polished

Packaging & Delivery

Packaging Details Seaworthy Package
Delivery Time Within 10-45 days after confirmed date

M42 high speed steel

 

Applications: High-carbon, high-speed steel grade based on Mo, with high resistance to wear, red hardness and toughness. This steel grade displays good grind ability as a result of its low V content. Tools severe mechanical wear, e.g. in cases of small cross-section cuts and high cutting speeds. Particularly suitable for die-sinking cutters and one-lip cutters, and for tool bits in automatic lathes. Also suitable for non-cutting applications, e.g. cold extrusion rams, and for tools for machining aircraft materials, such as titanium alloys, etc.

 

Steel Grade:

GB W2 Mo9Cr4VCo8 %

C

Si

Mn

P

S

Cr

Mo

V

W

Co

1, 05 - 1,15

0.15 - 0,50

0.15 - 0,40

<=0,030

<=0,030

3,50 - 4,25

9.00 – 10.0

0.95 – 1.35

1.15- 1.85

7.75 – 8.75

DIN- 1.3207%

C

Si

Mn

P

S

Cr

Mo

V

W

Co

1,20 - 1,35

<=0,45

<=0,40

<=0,030

<=0,030

3,80 - 4,50

3,20 - 3,90

3,00 - 3,50

9,00 - 10,00

9,50 - 10,50

Similar grade: AISI-M42

 

Delivery Condition:

 

GB/T1299-2000

DIN

AISI

Annealed (HB)

<=269

240~300

 

 

Size available

Round Bar: 2mm - 300mm

 

Anneal temperature: 860-880

Relief annealing temperature: 720-760

Hardening temperature: 1160-1190

Hardening medium: salt bath under 600,aslo use oil cooling or air cooling

Normal temper temperature: 540-560
RC Rockwell Hardness after hardening and temper: 66-68

 

Characteristic:High performance tungsten-molybdenum high speed steel, Excellent performance of hardness, red hardness, thermoplasticity, machinability. Only weak in toughness

High Speed Steel got hardness method: 1. Salt bath hardening or vacuum hardening 2. the temperature 1180-1200°C, if need high hardness add 10°C 3. in the temperature 560°C, tempering more than 3 times. The most important: control hardening temperature and time.

 

Skype: erichuang20111

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