Heat-resistant steel castings

Material- number Code ASTM designation Properties and information on application
1.4710
(DIN 17465)
G-X 30 CrSi 6 A 297 Brittle material; for use in oven/furnace components, such as nozzles, valves, pusher shoes, holders, rails, etc.
1.4815
(SEW 595-76)
G-X 8 CrNi 1910 For use in valves exposed to high temperatures, resistant to pressurised hydrogen
1.4823
(DIN 17465)
G-X 40 CrNiSi 274 Grade HC High-strength material; used for worm components in cement kilns, furnace and firing grates
1.4825
(DIN 17465)
G-X 25 CrNiSi 189 Grade HF Material with ductile properties; for parts  used for aligning work, such as screening plates for blast furnace plants
1.4826
(DIN 17465)
G-X 40 CrNiSi 229 For parts exposed to elevated temperatures, such as annealing muffles, annealing grates, grate structures, annealing baskets
1.4827
(SEW 595-76)
G-X 8 CrNiNb 1910 As 1.4815
1.4832
(DIN 17465)
G-X 25 CrNiSi 2014 For parts exposed to elevated temperatures, such as annealing muffles, annealing grates, grate structures, annealing baskets
1.4837
17465
G-X40CrNiSi25-12 Grade HH
1.4848
(DIN 17465)
SEW 595
G-X40CrNiSi 25-20 Grade HK For use in furnace construction as annealing pots, undergrates, rails
1.4865
(DIN 17465)
Grade HAT
G-X40NiCrSi 38-18 Grade HT Material for high demands in annealing operations; used for chain conveyors, annealing muffles; elevated resistance to carburising atmospheres
1.4857
(DIN 17465)
SEW 595
G-X40NiCrSi 35-25 Grade HP
1.4855
(DIN 17465)
SEW 695
G-X40CrNiSi
1.4849
(DIN 17465)
G-X40NiCrSi Nb
38-18
As material 1.4865; suitable for dimensionally stable components
1.4852
(DIN 17465)
SEW 595
G-X40NiCrSi Nb
35-25
For use in crude oil and natural gas installations exposed to high temperatures
1.4859
(DIN 17465)
SEW 595
G-X10NiCrSiNb
32-20
A351 CT 15C As 1.4852, but for parts requiring toughness, for valves, etc.
2.4879
(DIN 17465)
SEW 595
G-NiCr28W Material for extreme operating temperatures; very resistant to carburising atmospheres
Entw. 17465
(5.98)
G-NiCr50Nb As above, but scaling-resistant