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M42

>lọ>ngwaahịa>Steeldị Ọgbara Ọgbara>M42

HSS M42 ewepụghị mmanya

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nkọwa

M42 super high speed steel bụ igwe cobalt dị elu nke nwere ihe mejupụtara kemịkalụ emebere maka ike siri ike na ike dị ọkụ. Ngwongwo ndị a na-eme ka ígwè ahụ bụrụ nhọrọ magburu onwe ya maka ịrụ ọrụ siri ike na nke siri ike nke mbụ, alloys siri ike, na igwe siri ike, ihe na-adịghị mma nke a na-eji na mbara igwe, mmanụ, na ụlọ ọrụ mmepụta ike.

M42 na-egosiputa nguzogide iyi dị mma site n'ike siri ike ọgwụgwọ dị elu (68 ruo 70 HRC), yana ọdịnaya cobalt dị elu na-enye ike siri ike. Dị ka ndị dị otú ahụ, akụkụ mbepụ na ngwá ọrụ ndị sitere na M42 super high speed steel na-adị nkọ ma na-esi ike na-arụ ọrụ dị arọ na ngwa ngwa mmepụta dị elu.


ngwa:

AISI M42 tool steel is a high-speed steel suitable for cutting tools such as, twist drills, broaches, taps, milling, cutters, saws, reamers etc. In terms of performance, HSS grade M42 is a steel to be used in conditions where the demand for hot hardness is of great importance i.e. where high performance is essential.


Ngwa ngwa:M42---Flat Bars 


Mejupụtara

        C
       Si       Cr
       W      Mo        V
       Co
      1.08      0.453.85
      1.50      9.50
      1.20      8.00


AKWỤKWỌ MMỤTA


Ntuziaka ọgwụgwọ okpomọkụ: IKE

Okpomọkụ dị oke egwu:
Ac1: 1560°F(849℃)


Na-emenyụ:Pressurized gas, warm oil, or salt. For pressurized gas, a rapid quench rate to n'okpuru 1000 Celsius F (538 Celsius 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).


Na-ewe iwe: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.


Advantage:

all-round applicability

good machine-ability

good performance

good hot hardness

good wear resistance


item       Dimension (mm)usoro       Ọnọdụ nnyefe
Ewepụghị OgweT 3.0-20 XW 20-100Agbanyela ỌkụBlack elu & Mgbakwunye


Common M42 Tool Steel Related Specifications and M42 High Speed Steel Equivalents


CountryUSAGermanJapan
StandardASTM A600DIN EN ISO 4957JIS G4403
akara uleM421.3247/HS2-9-1-8SKH59


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