Steel castings for crude oil and natural gas installations*

Material- number Standards Properties and information on application
Designation as per DIN 17006 DIN/SEW ASTM
1.7387
1.7380 1)
GS-12CrMo910 SEW 595
Vd TÜV 472
A217 WC9
A356 Gr10
Used for components in power plants, and for pumps and valves for crude oil and natural gas production
1.7389 G-X12CrMo10-1 SEW 595 A217 C12
1.7363 G-X12CrMo5 SEW 595 A217 C5
1.4827 G-X8CrNiNb SEW 595   Castings for use at high temperatures and in crude oil processing. The materials are corrosion-resistant. The high-nickel grades are also resistant to reducing media, as the higher nickel content minimises carbon pickup from the media (combustion gases).
1.4840 G-X15CrNi2520 SEW 595  
1.4825 G-X25CrNiSi18-9 SEW595/96
DIN17465
(Entwurf)
A 297
Grade HF
1.4848 G-XCrNiSi25-20 SEW595
DIN 17465
A 297
Grade HF
1.4868 G-X50CrNi30-30 SEW 595  
1.4859 G-X10NiCrNb32-20 SEW 595
DIN 17465
(Entwurf)
A 351
CT 15 C
1.4852 G-X40NiCrSiNb3525 SEW 595
DIN 17465
 
1.4857 G-X40NiCrSi3525 SEW 595
DIN 17465
A 297
Grade HF
1.4855 G-X30CrNiSiNb24-24 SEW 595
DIN 17465
 
2.4879 G-NiCr28W SEW 595
DIN 17467
 
2.4813
(2.4680)
G-NiCr50Nb SEW 595  

* further grades on request