M42 Steel Product M42 Steel Product Price Custom M42 Steel Product

M42 Steel Round Bar Sheet Plate Heat Treatment And Produced
1.Machinability

It can be drilled, turned, threaded, broached, milled and tapped when it is in
its annealed condition and rated at 45% of 1% carbon steel.

2.Forging

It is preheated to 871°C (1599°F) in a slow manner and then soaked. This is
followed by rapid heating to 1093°C (1999°F) and slow cooling. It is not
suitable that temperatures below 982°C (1799°F) for the forging process.

3.Tempering

M42 tool steel is tempered for three times at 538-593°C (1000-1099°F) and
then cooled completely between cycles to get good results. Tempering is
performed in vacuum furnaces or in salt baths.

4.Annealing

Annealing must be performed after hot working and before re-hardening.

Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1500-1575°F
(843-857°C), and hold for 1 hour per inch (25.4 mm) of thickness, minimum of 2
hours. Then cool slowly with the furnace at a rate not exceeding 50°F per hour
(28°C per hour) to 1000°F (538°C). Continue cooling to ambient temperature
in the furnace or in air. The resultant hardness should be 269 HBW or lower.

5.Hardening

It is preheated to 871°C (1599°F), soaked and finally heated to 1204°C
(2199°F).

6.Quenching

A salt media is used for quenching M42 tool steel at 538°C (1000°F) and then
the steel is air cooled.

M42 High Speed Steel Round Bar Sheet Plate Supply Range
Round Bar

Specification: diameter 2mm – 200mm
Surface: Black, Rough Machined, Turned or as per given requirements

Sheet/Plate/Slab

Specif , ication: thickness: 2-200mm; width 200-610mm
Surface: Black, Rough Machined, Turned or as per given requirements

M42 Steel Grade Equivalent Chart
Country USA Germany/UK/France JAPAN ISO
Standard ASTM A600-92a EN ISO 4957-1999 JIS G4403: 2006 ISO
4957-1999
Grades M42(t11342) HS 2-9-1-8 SKH59 HS 2-9-1-8
Delivery condition:In annealing (≤269HB), or after heat treatment (65.5-
68.5HRC). Quality control：100% UT (Ultrasonic Testing), UT Standard is
SEP 1921-84 C/c.
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Minimum Order: 1 tons