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KDA1S


 JIS : SKD 61

DAIDO : DHA1

ASSAB : 8407

KDA1S

JISAISIWNrDIN
SKD61H131.23441.2344


CHEMICAL COMPOSITION(Typical Analysis %)

CSiMnPSCrCuNiMoV
0.340.600.440.210.034.780.080.151.610.51

STEEL PROPERTIES

Hot work tool steel. Secondary hardening steel. Good tempering resistance. It maintains high hardness and strength at elevated temperatures.
Resistance to thermal fatigue, erosion and wear. Very high toughness. Good ductility and hardenability - air cooling. Tools can be water cooled



PHYSICAL PROPERTIES

Thermal coductivity W/(m.K)    20°C/25   500°C/28.5 600°C/29.3   
Density g/cm3   20°C/7.78 400°C/7.64 600°C/7.60


Coefficient of linear thermal expansion

10-6 °C-120-100°C20-200°C20-300°C20-400°C20-500°C20-600°C20-700°C20-800°C
10.711.912.212.512.713.113.513.7


APPLICATIONS

Wear resisting tools, pressure die casting tools, pressing tools for light and heavy metal.
For the highest requirement we recommend UTOPMO2 ESR EFS



HEAT TREATMENT

SOFT ANNEALING(°C)COOLINGHARDNESS (HB)
760-810FURNACEMAX. 229

HARDENING FROM(°C)INHARDNESS AFTER QUENCHING (HRC)

1020-1080OIL, AIR, THERMAL BATH 450-550°C52-56

TEMPERING (°C)1000104010801120114011601180
HARDNESS (HRC)57596163646565.5
(N/mm2)1790173017901910184516801360

NITROCARBURISING AT 570°C X 2HRS (51 %NH3, 43%N2, 1% Propane)

HRC AT COMPOUND LAYERTHICKNESS OF COMPOUND LAYERTHICKNESS OF CASE DEPTHCORE HARDNESS (HRC)
695 - 6µm190µm48

TEMPERING DIAGRAM

FOLLOW US

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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