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HASTELLOY alloy G-3 (UNS N06985 / W. Nr. 2.4619) is a nickel-chromium-iron alloy with additions of molybdenum and copper. Some of the minor elements are controlled to yield increased resistance to heataffected-zone (HAZ) corrosion and improved weldability.
HASTELLOY alloy G-3 (UNS N06985 / W. Nr. 2.4619) is a nickel-chromium-iron alloy with additions of molybdenum and copper. Some of the minor elements are controlled to yield increased resistance to heataffected-zone (HAZ) corrosion and improved weldability. Alloy G-3 has excellent corrosion resistance to oxidizing chemicals and atmospheres. It is also resistant to reducing chemicals because of its nickel and copper contents. Nickel also provides the alloy with exceptional stress-corrosion-cracking resistance in chloride-containing environments. The high molybdenum provides very good resistance to pitting and crevice corrosion. The low carbon helps prevent sensitization, giving the alloy resistance to intergranular corrosion.
HASTELLOY alloy G-3 is particularly suitable for handling reducing acids such as phosphoric and sulfuric. It is used in flue gas desulfurization systems (scrubbers), especially in quencher, damper, and outlet ducting areas. It can be used in other air pollution control systems in the chemical and pulp and paper industries. It is a good candidate for evaporators, heatexchangers, tank liners, and other equipment in phosphoric acid manufacturing plants.
Today’s exploration for oil and gas leads to a range of highly corrosive environments that, in turn, require a range of corrosion-resistant high nickel content alloys. HASTELLOY® alloy G-3 is one of these alloys, providing an excellent combination of mechanical properties and strength. This alloy has been used extensively as OCTG (Oil Country Tubular Goods) in hot, sour environments.
| The Chemical Composition of Hastelloy G3, % | |
|---|---|
| Ni | Balance |
| Cr | 21.0-23.5 |
| Fe | 18.0-21.0 |
| Co | ≤5.0 |
| Mo | 6.0-8.0 |
| W | ≤1.50 |
| Nb | ≤0.5 |
| C | ≤0.015 |
| Mn | ≤1.0 |
| Si | ≤1.0 |
| Cu | 1.5-2.5 |
| Tensile Strength, min. | Yield Strength, min. | Elongation, min. | Hardness, min. | ||
|---|---|---|---|---|---|
| Mpa | ksi | Mpa | ksi | % | HRB |
| 690 | 100 | 320 | 47 | 50 | 79 |
| Material | Inconel,Hastelloy,Monel,Incoloy,GH,Precision alloy,Stainless steel | |
| Standard | GB,AISI,ASTM,DIN,EN,SUS,UNS etc | |
| Shape | Sheet ,Coil, Bar,Pipe,Round,Forging,Ring,Coil,Flange,Disc,Foil,Spherical,Ribbon,Square | |
| Surface | Mirror,Brushed,Mil Finished,Polished etc | |
| Material Grade | Inconel | Inconel600(N06600 GH3600), Inconel601(N06601 GH3600), Inconel625(N06625 GH3625), InconelX-750(N07750 GH4145), Inconel 718(N07718 GH4169), Inconel690 |
| Hastelloy | Hastelloy B-2,Hastelloy C,Hastelloy C-267(N10276),Hastelloy C-4, Hastelloy C-22(N06022),Hastelloy G30(N06030) | |
| Monel | Monel 400(N04400),Monel K500(N05500) | |
| Incoloy | Incoloy A-286(GH2132 N662),Incoloy800 800H 800HT,Incoloy725, Incoloy825,Incoloy925,Incoloy926(N08926 1.4529) | |
| GH | GH2132(N66286 A286 Gr6),GH3625(Inconel625 UNS N0), GH4169(Inconel718 UNS N0),GH3030,GH3039,GH4033,GH3128 | |
| Precision alloy | 4J36,4J29,1J79 | |
| Stainless steel | Alloy 20(N08020),904L(N08904),254SMo(F44 S31254) | |
| Specification | Sheet | Thickness 0.8-36mm; Width 650-2000mm; Length 800-4500mm |
| Strip | 0.05*5.0-5.0*250mm | |
| Pipe | φ 6-273mm; Thickness 1-30mm; Length 1000-8000mm | |
| Bar | φ4-50mm; Length 2000-5000mm | |
| Wire | 0.01-10mm | |
| Application | It is widely used in high-temperature and electric industry, medical devices, construction, chemistry, food industry, agriculture, and ship components. It also applies to food and beverage packaging, kitchen supplies, trains, aircraft, conveyor belts, vehicles, bolts, nuts, springs, and screen mesh etc | |
| Trade Terms | EXW,FOB,CIF CFR | |
| Loading Port | Shanghai port, Tianjin port, Qindao port | |
| Payment terms | 1) 30% deposit by T/T, the balance against copy of B/L by T/T. | |
| 2) 30% deposit by T/T, the balance by L/C at sight. | ||
| 3) 100% L/C at sight. | ||
| MOQ | 1Ton | |
| Packing Detail | Standard Seaworthy Package or customer requirements | |
| Delivery time | 1.Usually,within10-20days after receiving deposit or LC. 2.According to the order quantity | |
| Samples | Free samples are provided but the fright is borne by the buyer | |
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Liaocheng Economic and Technological Development Zone, Shandong Province, China
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