Croeso i'n gwefannau!
Gwifren fecral gwrthsefyll cystadleuol ynni-effeithlon pris cystadleuol addasu maint datrysiad gwresogi diwydiannol
Perfformiad Enwebiad Alloy
1cr13al4
0cr25al5
0cr21al6
0cr23al5
0cr21al4
0cr21al6nb
0cr27al7mo2
Prif Gyfansoddiad Cemegol
Cr
12.0-15.0
23.0-26.0
19.0-22.0
20.5-23.5
18.0-21.0
21.0-23.0
26.5-27.8
Al
4.0-6.0
4.5-6.5
5.0-7.0
4.2-5.3
3.0-4.2
5.0-7.0
6.0-7.0
Re
opportune
opportune
opportune
opportune
opportune
opportune
opportune
Fe
Gorffwysa ’
Gorffwysa ’
Gorffwysa ’
Gorffwysa ’
Gorffwysa ’
Gorffwysa ’
Gorffwysa ’
Nb0.5
MO1.8-2.2
Max. temp gwasanaeth parhaus. o elfen
(° C)
950
1250
1250
1250
1100
1350
1400
Gwrthsefyll ar 20ºC
(μω · m)
1.25
1.42
1.42
1.35
1.23
1.45
1.53
Ddwysedd
(g/cm3)
7.4
7.1
7.16
7.25
7.35
7.1
7.1
Dargludedd thermol (kj/m · h · ºC)
52.7
46.1
63.2
60.2
46.9
46.1
-
Ehangu cyfernod llinellau
(α × 10-6/ºC)
15.4
16
14.7
15
13.5
16
16
Pwynt toddi oddeutu. (ºC)
1450
1500
1500
1500
1500
1510
1520
Cryfder tynnol
(N/mm2)
580-680
630-780
630-780
630-780
600-700
650-800
680-830
Elongation ar Rupture (%)
> 16
> 12
> 12
> 12
> 12
> 12
> 10
Amrywiad arwynebedd (%)
65-75
60-75
65-75
65-75
65-75
65-75
65-75
Ailadrodd amledd plygu (f/r)
> 5
> 5
> 5
> 5
> 5
> 5
> 5
Caledwch (HB)
200-260
200-260
200-260
200-260
200-260
200-260
200-260
Amser gwasanaeth parhaus (oriau/ ºC)
-
≥80/1300
≥80/1300
≥80/1300
≥80/1250
≥50/1350
≥50/1350
Micrograffig
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Priodweddau Magnetig
Magnetig
Magnetig
Magnetig
Magnetig
Magnetig
Magnetig
Magnetig
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