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Hastelloy Alloy G30 Rod / UNS N06030 / DIN W. Nr. 2.4603 ASTM B581 . Hastelloy G30 is a high chromium content nickel-based alloy. It has superior corrosion resistance to commercial phosphoric acid and many highly oxidizing acid media in mixed environments such as nitric acid/hydrochloric acid, nitric acid/hydrofluoric acid and sulfuric acid, compared to most other bases and iron-based alloys.
Hastelloy G30 alloy is mainly used for wet H3PO4 production and processing and HNO3 plus HF pickling equipment and parts. The alloy has good corrosion resistance, processing performance and high strength, so it is also an alternative structural steel for sour oil and gas wells.
Hastelloy G-30 sheet performs ASME SB 582/ASTM B 582 standard;
Bar performs ASME SB 581/ASTM B 581 standard.
Matching welding consumables: Hastelloy G-30/ERNiCrMo-11
The main applications of Hastelloy (R) G30 (R) alloy are as follows:
| Form | ASTM |
| Rod | ASTM B581 |
| Plate, sheet and strip | ASTM B582 |
| Seamless pipe and tube | ASTM B622 |
| Welded pipe | ASTM B619, ASTM B775 |
| Welded tube | ASTM B626, ASTM B751 |
| Welding fitting | ASTM B366 |
| Forged or rolled pipe flange and forged fitting | ASTM B462 |
| Billet and bar for reforging | ASTM B472 |
Chemical composition :
| % | Ni | Cr | Fe | Mo | W | Co | C | Mn | Si | P | S | Cu | Nb+Ta |
| min | balance | 28 | 13 | 4 | 1.5 | 1 | 0.3 | ||||||
| max | 31.5 | 17 | 6 | 4 | 5 | 0.03 | 1.5 | 0.8 | 0.04 | 0.02 | 2.4 | 1.5 |
| Density | 8.22 g/cm3 |
| Melting range | 1370-1400℃ |
Application:
| Phosphoric acid equipment, | Pickling operation |
| Sulfuric acid equipment, | Petrochemical products |
| Nitric acid equipment | Fertilizer production |
| Nuclear disintegration reprocessing | Insecticide production |
| Nuclear waste treatment | Gold extraction |
HASTELLOY® G-30® alloy is available in the form of plates, sheets, strips, billets, bars, wires, pipes, tubes, and covered electrodes. Applications include P2 O5 evaporator tubes and nitric acid-based, metal pickling hardware.
