Austempered Ductile Hlau
nrog spheroidal graphite
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Kev xaiv tsa raws li |
EN-GJS-800-10 |
EN-GJS-1050-6 |
EN-GJS-1200-3 |
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Kev txheeb xyuas |
C |
3.50 – 3.70 |
3.50 – 3.70 |
3.50 – 3.70 |
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rau nruab nrab phab ntsa thicknesses |
Si |
2.30 – 2.60 |
2.30 – 2.60 |
2.30 – 2.60 |
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Mn |
max. 0.40 |
max. 0.40 |
max. 0.40 |
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Mo |
- |
- |
- |
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Ni |
max. 1. 0 |
max. 1. 0 |
max. 1. 0 |
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Lub zog tensile |
Rm |
MPa |
800 |
1050 |
1200 |
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0.2 yield zog |
Rp0.2 |
MPa |
500 |
700 |
850 |
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Elongation ntawm tawg |
A5 |
% |
10 |
6 |
3 |
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Elastic modulus |
E |
GPa |
170 |
168 |
167 |
|
Notched bar cuam tshuam ua haujlwm 2) |
ntawm +23 degree (RT) |
Joules |
10 |
- |
- |
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Brinell hardness |
BHN |
250 – 310 |
320 – 380 |
340 – 420 |
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Fatigue limit 3) |
MPa |
375 |
430 |
450 |
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Fatigue limit 4) |
MPa |
225 |
265 |
280 |
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Cov cuab yeej technology |
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Kev siv kub |
degree |
< 200 |
< 200 |
< 200 |
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Machineability |
Nruab nrab |
Nruab nrab |
Nyuaj |
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Hnav tsis kam |
Zoo heev |
Zoo heev |
Zoo heev |
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Induction los yog nplaim-hardening muaj peev xwm |
Tsis tuaj yeem hardened lossis welded |
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Nitriding muaj peev xwm |
Tsis tuaj yeem hardened lossis welded |
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Weldability |
Tsis tuaj yeem hardened lossis welded |
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Lub cev muaj zog |
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Qhov ntom |
ρ |
kg/dm 3 |
7.1 |
7.1 |
7.0 |
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Thermal conductivity |
λ |
W/(K*m) |
20 – 23 |
20 – 23 |
20 – 23 |
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Thermal expansion coefficient |
mus txog 200 degree |
10-6/K |
14 – 18 |
14 – 18 |
14 – 18 |
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Cov ntaub ntawv tshwj xeeb lossis cov qhab nia tsis muaj nyob rau ntawm kev thov |