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Alloy 20 is an austenitic nickel-iron-chromium alloy designed for maximum resistance to acid attack. It has excellent general corrosion resistance in various media such as sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid, and alkaline solutions. This makes it ideal for applications where these acids are present. Additionally, it offers good mechanical properties at high and low temperatures, making it suitable for various applications, from medical equipment to chemical processing plants. It also has good weldability and formability, which make it easy to work with.
Hastelloy C is a nickel-chromium-molybdenum alloy designed to provide superior corrosion resistance in various acidic media, including sulfuric acid, hydrochloric acid, phosphoric acid, and nitric acid. It also offers excellent resistance to stress corrosion cracking and pitting corrosion. Its strength at high and low temperatures makes it suitable for applications ranging from petrochemical processing to nuclear power plants. It is also easy to work with as it has superior weldability and formability compared to other alloys making it easier to fabricate or shape into components or assemblies.
Composition
The main difference between Alloy 20 and Hastelloy C is that Alloy 20 contains carbon while Hastelloy C does not. Carbon gives Alloy 20 better machinability than Hastelloy C but also makes the alloy more susceptible to corrosion. Adding molybdenum to Hastelloy C provides the alloy with better resistance to localized corrosion than Alloy 20.
Applications
Alloy 20 is typically used in chemical processing, food processing, pharmaceuticals, and plastics due to its excellent corrosion resistance. Hastelloy C is generally used in chemical processing and waste treatment due to its outstanding corrosion resistance.
Cost
Alloy 20 is more expensive than Hastelloy C due to its higher carbon content. However, both alloys are relatively costly compared to other stainless steel alloys.
| Ni | Mo | Cr | Fe | W | Co | Mn | C | V | P | S | Si |
|---|---|---|---|---|---|---|---|---|---|---|---|
Remainder | 15.0-17.0 | 14.5-16.5 | 4.0-7.0 | 3.0-4.5 | 2.5 max | 1.0 max | .01 max | .35 max | .04 max | .03 max | .08 max |
| Product Form | Tensile (ksi) | .2% Yield (ksi) | Elongation % |
|---|---|---|---|
Bar | 110.0 | 52.6 | 62 |
Plate | 107.4 | 50.3 | 67 |
Sheet | 115.5 | 54.6 | 60 |
Tube & Pipe | 105.4 | 45.4 | 70 |
| 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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