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STAR80


JIS :  -

DAIDO : NAK 80

ASSAB : NIMAX

STAR80

JISAISIWNrDIN
-P21--


CHEMICAL COMPOSITION(Typical Analysis %)

CSIMnCrMoNiA1
0.140.351.490.340.283.021.021

STEEL PROPERTIES

STAR80 is a precipitation or age-hardened mould steel with a uniform through hardness of approximately 40 HRC. It is a very clean steel with uniform grain structure, uniform hardness, and excellent dimensional stability



PHYSICAL PROPERTIES

Thermal coductivity W/(m.K)  100°C/41.3  200°C/41.2


Coefficient of linear thermal expansion

10-1 °C-120-100°C20-200°C20-300°C
11.312.613.5


APPLICATIONS

Unique characteristics; 40 HRC hardness; age-hardened for uniformity of hardness throughout, even in heavy section; possibility of repair welding; possibility of nitriding high gloss polishability



HEAT TREATMENT

SOFT ANNEALING(°C)COOLINGHARDNESS (HB)
640-660FURNACEMAX. 330

HARDENING FROM(°C)INHARDNESS AFTER QUENCHING (HRC)
880-900OIL, AIR41

TEMPERING (°C)200300400500550600
HARDNESS (HRC)414140433335

*Further hardening is not recommended

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

HRC AT COMPOUND LAYERTHICKNESS OF COMPOUND LAYERTHICKNESS OF CASE DEPTHCORE HARDNESS (HRC)
6310-12µm250µm33

TEMPERING DIAGRAM

TIME - TEMPERATURE - TRANSFORMATION DIAGRAM

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

CONTACTS
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            : sales@phh.com.my

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

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