Thermocast alloys
The knowledge of physical and mechanical properties of metals and alloys, together with their industrial field of application, allowed us to create a number of special alloys.
Some of the most used are shown in the chart below. The data shown are indicative and not valid for trials.
| ALLOY |
W.ST. |
EN CODE |
ASTM
CODE |
CHEMICAL
ANALYSIS |
DENSITY |
MICROSTRUCTURE |
T° RANGE
in air |
Rm at 20°C N/mm² |
ELONGATION % min at 20° C |
1%/10000 h CREEP LIMIT N/mm²
60070080090010001100 |
| T6 |
1, 4710 |
GX30CrSi7 |
_ |
6 - - |
7.7 |
Ferr.+ Carb. |
Up to 700°C |
550 |
_ |
239____ |
| T13 |
1, 4729 |
GX40CrSi13 |
CA40 |
13 - - |
7.7 |
Ferr.+ Carb. |
Up to 850°C |
550 |
_ |
2592,5___ |
| T18 |
1, 4740 |
GX40CrSi17 |
_ |
18 - - |
7.7 |
Ferr.+ Carb. |
Up to 900°C |
550 |
_ |
25930,8__ |
| T28 |
1, 4776 |
GX40CrSi29 |
HC |
28 - - |
7.5 |
Ferr.+ Carb. |
Up to 1100°C |
550 |
_ |
251141,8__ |
| T28.5 |
1, 4823 |
GX40CrNiSi27.4 |
HD |
28 5 - |
7.6 |
Ferr.+ Austh. |
900-1100°C |
550 |
3 |
432193,6__ |
| T18.8 |
1, 4825 |
GX25CrNiSi18.9 |
HF |
18 8 - |
7.8 |
Austh.+ Carb. |
Up to 900°C |
440 |
13 |
7744239__ |
| T22.10 |
1, 4826 |
GX40CrNiSi22.9 |
_ |
22 10 - |
7.8 |
Austh.+ Carb. |
Up to 950°C |
440 |
9 |
804723104_ |
| T25.12 |
1.4837 |
GX40CrNiSi25.12 |
HH |
25 12 - |
7.8 |
Austh.+ Carb. |
900-1050°C |
440 |
8 |
_4925125_ |
| T22.14 |
1, 4832 |
GX25CrNiSi20.14 |
_ |
22 14 - |
7.8 |
Austh.+ Carb. |
Up to 950°C |
440 |
10 |
_4723104_ |
| T25.20 |
1, 4848 |
GX40CrNiSi25.20 |
HK |
25 20 - |
7.8 |
Austh.+ Carb. |
900-1100°C |
440 |
8 |
_683718,58,52,5 |
| T30.20 |
_ |
GX40CrNiSi30.12 |
HL |
30 20 - |
8.0 |
Austh.+ Carb. |
900-1180°C |
440 |
4 |
_68371992,8 |
| T24.24Nb |
1, 4855 |
GX40CrNiSiNb24.24 |
_ |
24 24 Nb |
8.0 |
Austh.+ Carb. |
Up to 1050°C |
440 |
7 |
_83482410_ |
| T18.38 |
1, 4865 |
GX40NiCrSi38.18 |
HT |
18 38 - |
8.0 |
Austh.+ Carb. |
Up to 1000°C |
410 |
7 |
_5636197_ |
| T25.35 |
1, 4857 |
GX40NiCrSi35.25 |
HP |
25 35 - |
8.0 |
Austh.+ Carb. |
Up to 1100°C |
440 |
7 |
_68412193,1 |
| T18.38Nb |
1, 4849 |
GX40NiCrSiNb38.18 |
_ |
18 38 Nb |
8.0 |
Austh.+ Carb. |
Up to 1000°C |
410 |
6 |
_6240218,5_ |
| T25.35Nb |
1, 4852 |
GX40NiCrSiNb35.25 |
_ |
25 35 Nb |
8.0 |
Austh.+ Carb. |
Up to 1100°C |
440 |
6 |
_744623113,6 |
| T25.35.5 |
_ |
_ |
_ |
25 35 W |
8.2 |
Austh.+ Carb. |
Up to 1150°C |
440 |
5 |
_754623113,8 |
| T28.48.5 |
2, 4879 |
G-NiCr28W |
_ |
28 48 W |
8.2 |
Austh.+ Carb. |
Up to 1180°C |
440 |
3 |
_754623153,8 |
| T28.45.5.4 |
_ |
_ |
_ |
28 45 W, Co |
8.2 |
Austh.+ Carb. |
Up to 1200°C |
460 |
4 |
__4825124 |
| T30.50.16 |
_ |
_ |
_ |
30 50 W |
8.3 |
Austh.+ Carb. |
Up to 1200°C |
470 |
_ |
___34224,1 |
| T18.55Nb |
_ |
G-NiCr17Nb |
_ |
18 55 Nb |
8.2 |
Austh.+ Carb. |
Up to 1000°C |
410 |
6 |
_6540208_ |
| TCo50 |
2, 4778 |
G-CoCr28 |
_ |
28 - Co |
8.2 |
Austh.+ Carb. |
Up to 1200°C |
460 |
6 |
_70371993,9 |
| TCo51 |
2, 4779 |
G-CoCr28Nb |
_ |
28 - Co, Nb |
8.2 |
Austh.+ Carb. |
Up to 1200°C |
460 |
3 |
_704321105 |
| T50.50.1 |
2, 4813 |
G-NiCr50Nb |
_ |
50 50 Nb |
8.0 |
Austh.+ Carb. |
Up to 1050°C |
520 |
9 |
_6838197,5_ |