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PM 23


JIS : SKH 52/52 

DAIDO : DEX 20

ASSAB : ASP 23

PM 23

JIS

AISI

WNr

DIN

SKH52/53M3:21.33441.3344



CHEMICAL COMPOSITION

C

Si

Mn

Cr

Mo

Ni

V

W

1.200.330.254.384.920.222.876.34

STEEL PROPERTIES

High wear resistance (abrasive profile), High compressive strength, Very good thorugh-hardening properties, Good toughess, Very good dimensional stability on heat treatment, and good temper resistace



PHYSICAL PROPERTIES

Thermal coductivity W/(m.K)    20°C/24   400°C/28 600°C/27   
Density g/cm3  20°C/7.98 400°C/7.87 600°C/7.81


Coefficient of linear thermal expansion

10-6°C-1

20-100

20-200

20-300

20-400

20-500

20-600

20-700

20-800

10.311.318.111.712.012.312.512.8


APPLICATIONS

PM23 is suitable to use in making miling cutters, broach needles, cutting and punching, tools, dies, working rolls for cluster rolling stand


HEAT TREATMENT

SOFT ANNEALING

COOLING

HARDNESS (HB)

850-890FURNACEMAX. 240-300

HARDENING FROM(°C)

           IN

HARDNESS AFTER QUENCHING (HRC)

1140-1180AIR,GAS,WARM BATH 550C64

TEMPERING (°C)

1000

1040

1080

1120

1140

1160

1180

HARDNESS (HRC)57596163646565.5


TEMPERING TEMPERATURE AT 560°C X 2HRS X 3TIMES AUSTENITISING TEMPERATURE

TEMPERING DIAGRAM

TIME - TEMPERATURE - TRANSFORMATION

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ADDRESS
Cheras Jaya Main Office
Lot 2, Jalan CJ 1/6C,
Kawasan Perusahaan Cheras Jaya,
43200 Selangor,
Malaysia.

CONTACTS
Email: info@phh.com.my
            : sales@phh.com.my

Telephone: +60 3 9075 6800 / 1700 81 6866
Fax: +60 3 9075 6866 / 1700 81 0386

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