1.4776 | GX40CrSi28
| Numeric designation | 1.4776 |
|---|---|
| Chemical designation | GX40CrSi28 |
| Etching | V2A-Beize @ 70°C |
This heat-resistant cast steel is often used for furnace parts. The microstructure consists of chromium carbides in a ferritic matrix.
The hardness is 210 HBW 2.5/187.5.
Fe-Base
1.7035 | 41Cr4 hardened and tempered
1.7225 | 42CrMo4 +QT defective
1.7225 | 42CrMo4 +I, intermediate-stage heat-treated
1.4373 | X12CrMnNiN18-9-5
15CrN6 | 1.5919 +A faulty soft annealing
1.5919 | 15CrN6 +A
Astaloy A case hardened
1.0528 | C25E Hardness comparison bar Poldihammer
1.4980 | X6NiCrTiMoVB25-15-2
1.3395 | PMHS6-5-3C +AC