Developments in process engineering have been carried increments in the working temperatures and pressure.
Practice has shown that the tubes produced by the centrifugation process are better able to withstand the increasingly stringent working conditions.
Casting material according customer specifications
Following working procedures and quality control
Natural cooling to avoid defects
According standards or specifications
To minimize the surface roughness
Specification | Equivalent |
---|---|
GX-5 Cr Ni | ASTM A351 Grade CF-8 |
GX-12 Cr | ASTM A351 Grade CA |
GX-5 Cr Mo | ASTM A351 Grade CF- |
GX-2 Cr Mo | ASTM A351 Grade CF- 3M |
Duplex 1.4462-1.4470 | —- |
Superduplex A 890 | —- |
Specification | Equivalent |
---|---|
GX-40 Cr Ni Si 25.12 | ASTM A297 HH |
GX-40 Cr Ni Si 25.20 | ASTM A297 HK |
GX-35 Ni Cr Si 37.17 | ASTM A297 HU |
GX-45 Cr Si 29 | ASTM A297 HC |
Specification | Equivalent |
---|---|
GS-45 | ASTM A27 Grade 65-35 |
GS-60 | —- |
GS-25 | ASTM A216 WCA |
GS-20 Mn 5 | ASTM A216 WCC |
GS-42 Cr Mo 4 | —- |
GS-15 Ni Mo Cr 3.6 | —- |
GS-24 Mn 6 | SEW 520 |
GS-30 Cr Mo V6-4 | SEW 515 |
GS-22 Ni Mo Cr 5-6 | SEW 520 |
GS-25 Cr Mo 4 | ASTM A752 Grade 41-30 |