M50/1.3552/T11350 | High Speed Steel

M50

1.3552, T11350

SpecificationASTM A600

The premium high speed steel produced by GMTC features high hardness and compressive strength at high temperatures.

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Introduction
Specifications

Inquiry

Introduction

Product properties

˙Great chemical control

˙Good micro cleanliness

˙Good hot hardness

˙Outstanding rolling contact fatigue strength

Industrial Applications

˙Aerospace parts (bearings)

˙Machining tools

˙Mold applications

Specifications

Chemical composition (wt. %)

Element

Ni+Cu

Min.

0.78

0.20

0.15

3.75

4.00

0.80

Max.

0.88

0.60

0.45

0.030

4.50

1.25

0.15

0.10

Physical Property

Density (g/cm^3)

7.83

Thermal Expansion Coefficient

Temperature (℃)

10^-6/℃

500

12.7

600

Thermal Conductivity

Temperature (℃)

W/m·K

Mechanical Property

Property

Specification Values

Hardness (HBW)

248 max.

Hardness After Quenching (hardenability) (HRC)

61 min.

Size Ranges

Products

Diameter (mm)

Length (mm)

Rolled bar

10~95

3,000~5,700

Forged bar

95.2~112

3,000~5,700

Billet

105x105, 125x125, 133x133

7,000 max

Heat Treatment Conditions

1116℃Oil Quenching+538℃ Tempering

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High Speed Steel bar M50/1.3552/T11350 – GMTC

M50

Product properties

Industrial Applications

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