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1.3247 M42 High Speed Tool Steel Plate and Sheet

1.3247 M42 High Speed Tool Steel Plate and Sheet

1.3247 M42 High Speed Tool Steel Plate and Sheet
1.3247 M42 High Speed Tool Steel Plate and Sheet1.3247 M42 High Speed Tool Steel Plate and Sheet1.3247 M42 High Speed Tool Steel Plate and Sheet1.3247 M42 High Speed Tool Steel Plate and Sheet
CategoriesHigh Speed Steel Plate
Brandfushun
Model1.3247, M42
Thickness1-16mm
Width810mm max
Surface ConditionBlack, Smooth, Bright
Delivery CondtionCold rolled+annealed, Hot rolled+annealed
FOB portShanghai
Terms of PaymentL/C, T/T
Update TimeMar 29,2024
Detail Information

Application:

HSS Circular Saw, Blade, Press Mould, Drills, End mill, Planer Knife, Chipper Knife, Slice Knife, Hss Square Tool Bits.

Introduction:

M42 high speed steel can be used in conditions where the demand for hot hardness is important. Commonly used for cutting tools including twist drills, taps, broaches tools, milling cutters, reamers, end mills, bandsaw blades, cold work tools, and thread rolling dies.

Standard

 Feature:

M42 high speed steel is highly Cobalt alloyed. The composition of M42 speed steel makes for a good combination of toughness and hardness. By virtue of these well-balanced properties M42 high speed steel has come into wide use for all cutting tools.

Chemical Composition:

Steel Grade

C

Si

Mn

P

S

Cr

Mo

W

V

Co

1.3247

1.05-1.15

0.15-0.65

0.4max

0.03max

0.030max

3.5-4.5

9.0-10.0

1.15-1.85

0.95-1.35

7.75-8.75

Product Details:

Similar Grades: 1.3247, M42

Shape: Sheet, Plate

Steel-making Process: EF/EAF+LF+VD, EF/EAF+ESR 

Delivery condition: Cold Rolled+Annealed,  Hot Rolled+Annealed.

Surface condition: Black, Smooth, Bright

Standard: BS EN ISO 4957, ASTM A600

Size Range:Thickness:1-16mm Width:810mm max Length:4000mm max 

Tolerance of Size: Thickness 1.5-2.5mm with Tolerance (-0,+0.15) --Cold rolled plate; Thickness 2.55-16.0mm with Tolerance (-0,+0.25) --Hot rolled plate

Tolerance of Amount: Above prices are based on actual weight. 

Packing: IN BUNDLES, AND IN CONTAINER 20 FEET.    

HEAT TREATMENT:

Heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each M42 high speed steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities.


Forging: Pre heat the M42 high speed steel slowly and uniformly to 650-760°C and equalise. Then increase more quickly to the forging temperature of 1010-1150°C and equalise prior to forging. Do not allow the forging temperature to drop below 980°C, if this occurs re heating will be necessary. Always cool the high speed steel very slowly after forging.


Annealing: Annealing of M42 high speed steel is recommended after hot working and before rehardening. Heat the M42 high speed steel to 850°C at a rate of no more than 220°C per hour. Always hold at temperature for one hour per 25mm of thickness (with two hours being minimum). Furnace cool slowly. The M42 high speed steel annealed hardness achieved should be 269 Brinell or lower.


Stress Relieving: If tools produced from M42 high speed steel are heavily machined or ground it is recommended to stress relieve after machining and prior to hardening to minimise the possibility of distortion. To stress relieve heat the component to 600-650°C and soak well (approximately two hours) Cool slowly in the furnace. The M42 high speed steel tools can be finish machined before heat treatment.


Hardening: For best results harden in a vacuum or controlled furnace, or in a properly rectified salt bath. Pre heat thoroughly in two steps to 450-500°C, then to 820-870°C, transfer to the high temperature salt bath or furnace. The exact hardening temperature to use for M35 will depend on the type of work being treated, but in general components should be hardened from the range of 1050-1250°C.


Tempering: For best results harden the M42 high speed steel in a vacuum or controlled furnace, or in a properly rectified salt bath. Pre-heat the steel thoroughly to 820-870°C then transfer to the high temperature salt bath or furnace. The exact hardening temperature to use for M42 high speed steel will depend on the type of work being treated, but in general components should be hardened from the range of 1160-1180°C in salt, or 1180-1190°C in atmosphere or vacuum furnaces. After a short hold at the hardening temperature, quench the component without further soaking into salt at 540-595°C or warm oil. If salt quenched allow the component to equalise at the bath temperature and then complete the quench in still air.

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