Description
Hastelloy G30
HASTELLOY® G-30® alloy (UNS # N06030) is a nickel-chromium-iron material highly re-sistant to “wet process” phosphoric acid (P2O5). P2O5 is one of the most important indus-trial chemicals, being the primary source of phosphorus for agrichemical fertilizers. G-30®alloy is also moderately resistant to chloride-induced localized attack, which can be a prob-lem beneath deposits in the evaporators used to concentrate P2O5. Furthermore, G-30®alloy is less susceptible to chloride-induced stress corrosion cracking than the stainless steels.
% Chemical Composition
| Si | Mn | Co | Nb | Cu | W | Mo | Fe | Cr | Ni |
| (max) 0.8 | (max) 1.5 | (max) 5 | 0.8 | 2 | 2.5 | 5.5 | 15 | 30 | Balance |
Hardness
| Typical ASTM Grain Size | Hardness, HRBW | Form |
| 4 – 1.5 | 81 | Sheet |
| 3 – 0 | 80 | Plate |
| 2 – 0 | 78 | Bar |
Specifications
| SB 582/B 582 P= 45 |
Sheet, Plate & Strip |
| SB 581/B 581 B 472 P= 45 |
Billet, Rod & Bar |
| SFA 5.11/ A 5.11 (ENiCrMo-11) F= 45 |
Coated Electrodes |
| SFA 5.14/ A 5.14 (ERNiCrMo-11) F= 45 |
Bare Welding Rods & Wire |
| SB 622/B 622 P= 45 |
Seamless Pipe & Tube |
| SB 619/B 619 SB 626/B 626 P= 45 |
Welded Pipe & Tube |
| SB 366/B 366 SB 462/B 462 P= 45 |
Fittings |
| SB 462/B 462 P= 45 |
Forgings |
| No. 2.4603 NiCr30FeMo | DIN |
| NACE MR0175 ISO 15156 |
Others |
DM unit
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