M35/SKH55/1.3243 | High Speed Steel

M35

AISI M35、SKH55、DIN 1.3243

Specification

It is medium alloy high speed steel and has better thermal hardness and wear resistance with better machinability than M2, because cobalt is added to it.

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Introduction
Specifications

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Introduction

Product properties

˙Good high temperature hardness

˙High wear resistance

˙High cutting ability

˙Fine and uniform grain size

Industrial Applications

˙Cutting tool (gear hob, drill, milling cutter)

˙Trimming dies˙Tap˙Punch

Specifications

Chemical composition (wt. %)

Element

Min.

0.88

3.80

4.75

1.75

6.00

Max.

0.95

0.40

0.030

4.50

5.20

2.00

6.70

0.25

0.20

Physical Property

Density (g/cm^3)

8.1

Thermal Expansion Coefficient

Temperature (℃)

10^-6/℃

500

12.7

600

Thermal Conductivity

Temperature (℃)

W/m·K

Mechanical Property

Property

Specification Values

Hardness (HBW)

268 max.

Hardness After Quenching (hardenability) (HRC)

64 min.

Size Ranges

Products

Diameter (mm)

Length (mm)

Rolled bar

10~95

3,000~5,700

Forged bar

95.2~158

3,000~5,700

Billet

105x105, 125x125, 133x133

7,000 max

Heat Treatment Conditions

DIN 17350: 1220℃Oil Quenching+560℃ Tempering

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High Speed Steel bar M35/SKH55/1.3243 – GMTC

M35

Product properties

Industrial Applications

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