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GH4146 alloy is mainly made of γ A nickel based high-temperature alloy with aging strengthening of [Ni3 (Al, Ti, Nb)] phase has good corrosion resistance and oxidation resistance below 980 ℃, high strength below 800 ℃, good relaxation resistance below 540 ℃, as well as good formability and welding performance.
This alloy is mainly used for manufacturing plane and spiral springs with high strength and resistance to relaxation that work in aviation engines below 800 ℃. It can also be used for manufacturing parts such as turbine blades in gas turbines. The available varieties include plate, strip, bar, forging, annular parts, wire, and pipe.
Melting and Casting Processes
The alloy adopts electric arc furnace plus vacuum consumable remelting, vacuum induction plus electroslag, electroslag plus vacuum consumable remelting, or vacuum induction plus vacuum consumable remelting.
Application Overview and Special Requirements
This alloy is mainly used for manufacturing corrosion-resistant flat waveform springs, circumferential spiral springs, spiral compression springs, spring clips, and sealing rings for aircraft engines with operating temperatures below 540 ℃.
| % | C | Si | Mn | P | S | C | Ni | Cu | Fe | Nbr | Al | Co |
| Min | ≤0.1 | ≤0.5 | ≤1.0 | ≤0.02 | ≤0.01 | 14 | ≥70.0 | ≤0.5 | 5 | 0.7 | 0.4 | ≤1.0 |
| Max | 17 | 1.2 | 1.0 |
| 1) Melting temperature range: melting point 1395~1425ºC, thermal conductivity as follows: | ||||||||||||
| θ/ºC | 50 | 100 | 300 | 500 | 900 | |||||||
| λ/(W/(m·ºC)) | 14.7 | 15.9 | 20.1 | 25.1 | 37.3 | |||||||
| 2) Density ρ=8.25g/cm3, linear expansion coefficient is as follows: | ||||||||||||
| θ/ºC | 20~200 | 20~300 | 20~400 | 20~500 | 20~600 | 20~700 | 20~800 | |||||
| α/10-6ºC-1 | 13.1 | 13.5 | 14.1 | 14.4 | 15 | 15.6 | 16.2 | |||||
| 3) Electrical performance: Resistivity at 50 ºC ρ= 1.22*10-6Ω.m | ||||||||||||
| 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 | |
| GH3128 high temperature alloy steel pipe | NS111 corrosion resistant alloy steel pipe |
| GH3030 high temperature alloy steel pipe | NS112 corrosion resistant alloy steel pipe |
| GH3044 high temperature alloy steel pipe | NS113 corrosion resistant alloy steel pipe |
| GH4145 high temperature alloy steel pipe | NS142 corrosion resistant alloy steel pipe |
| GH4146 high temperature alloy steel pipe | NS143 corrosion resistant alloy steel pipe |
| GH4169 high temperature alloy steel pipe | NS312 corrosion resistant alloy steel pipe |
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