HEAT RESISTANT STEEL CASTINGS OF MAXIMUM USE TEMPERATURES
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Designation Max.temperature in air |
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|
Name |
Number |
°C |
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|
- ferrtic |
GX30CrSi7 |
1.4710 |
750 |
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|
GX40CrSi13 |
1.4729 |
850 |
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|
GX40CrSi17 |
1.4740 |
900 |
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|
Ferrtic and austenitic |
grades |
GX40CrSi24 |
1.4745 |
1050 |
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|
GX40CrSi28 |
1.4776 |
1150 |
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GX130CrSi29 |
1.4777 |
1100 |
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|
GX160CrSi18 |
1.4743 |
900 |
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|
GX40CrNiSi27-4 |
1.4823 |
1100 |
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|
Austenitic grades |
GX25CrNiSi18-9 |
1.4825 |
900 |
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|
GX40CrNiSi22-10 |
1.4826 |
950 |
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|
GX25CrNiSi20-14 |
1.4832 |
950 |
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|
GX40CrNiSi25-12 |
1.4837 |
1050 |
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GX40CrNiSi25-20 |
1.4848 |
1100 |
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|
GX40CrNiSiNb24-24 |
1.4855 |
1050 |
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|
GX35NiCrSi25-21 |
1.4805 |
1000 |
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|
GX40NiCrSi35-17 |
1.4806 |
1000 |
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|
GX40NiCrSiNb35-18 |
1.4807 |
1000 |
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|
GX40NiCrSi38-19 |
1.4865 |
1020 |
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|
GX40NiCrSiNb38-19 |
1.4849 |
1020 |
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|
GX10NiCrSiNb32-20 |
1.4859 |
1050 |
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GX40NiCrSi35-26 |
1.4857 |
1100 |
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|
GX40NiCrSiNb35-26 |
1.4852 |
1100 |
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|
GX50NiCrCo20-20-20 |
1.4874 |
1150 |
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GX50NiCrCoW35-25-15-5 |
1.4869 |
1200 |
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|
GX40NiCrNb45-35 |
1.4889 |
1160 |
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|
Nickel and |
cobalt base |
alloys |
G-NiCr28W |
2.4879 |
1150 |
|
G-CoCr28 |
2.4778 |
1200 a |
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|
G-NiCr50Nb |
2.4680 |
1050 b |
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|
G-NiCr-15 |
2.4815 |
1100 |
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a For cyclic heatings the maximum temperature in air is 1100 C. b This grade is used in cases of oil-ash attack up to a maximum temperature of 950 °C. |
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