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Brand Name : ABOOM
Model Number : Incoloy 840
Certification : EN 10204 Type 3.1
Place of Origin : CHINA
MOQ : 1000kgs
Price : USD Negotiable
Payment Terms : T/T
Supply Ability : 200 TONS PER MONTH
Delivery Time : 7-15dyas
Packaging Details : Standard export packaging
TYPE OF MATERIAL : nickel based alloy
PRODUCT : UNS S33400 Incoloy 840 nickel based alloy seamless tube
STANDARD : ASTM B407
GRADE : Incoloy 840 / UNS S33400
Manufacturing process : The steel melt shall be refined with AOD or equivalent.
Heat Treatment : shall be supplied in the solution annealed / water quenched condition.
Surface Finish : Descaled, White Pickled, and Passivated Condition
application : manufacturing electric heating pipes, automotive emission control systems and other high temperature resistant products
UNS S33400 Incoloy Alloy Incoloy 840 Seamless Tube For Automobile Exhaust Systems
UNS S33400 Incoloy 840 nickel based alloy seamless tube for automobile exhaust systems
Material designation: Incoloy 840 nickel based alloy
 US grade: UNS S33400
 Incoloy 840 nickel-based alloy applications:
 Incoloy 840 nickel-based alloy due to its formability, weldability, corrosion resistance and oxidation resistance, 840 alloy is a common electric heating pipe material used to manufacture electric heating pipes, heat exchangers, equipment heaters, industrial Equipment such as heating furnaces are also commonly used in automobile exhaust systems.
Chemical composition of Incoloy 840 (S33400) nickel based alloy: see Table-1:
Table-1 %
| C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ | 
| 0.08 | 1 | 1 | 0.04 | 0.03 | 18.0-20.0 | 19.0-21.0 | - | - | 
| Others | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb≤ | 
| - | - | 0.15-0.60 | Balance | - | - | - | - | 
specification:
 Outer diameter Φ6—762mm; wall thickness: 0.5-50mm, maximum length 18000mm
 Special specifications are available upon negotiation.
Incoloy 840 nickel-based alloy physical properties:
 1. Incoloy 840 nickel-based alloy elastic modulus: 29 × 106PSI (200 GPA)
 2. Incoloy 840 nickel-based alloy density: 0.29 lb / in3 (8.03 g / cm3)
 3. Thermal conductivity of Incoloy 840 nickel-based alloy:
| °F | °C | Btu·in/h·ft2·°F | W/m·K | 
| 68-132 | 20-56 | 90.0 | 12.9 | 
| 68-204 | 20-96 | 93.6 | 13.5 | 
| 68-333 | 20-167 | 104.4 | 15.0 | 
| 68-465 | 20-241 | 114.0 | 16.3 | 
| 68-590 | 20-310 | 122.4 | 17.6 | 
| 68-726 | 20-385 | 133.2 | 19.2 | 
| 68-848 | 20-453 | 145.2 | 20.9 | 
| 68-972 | 20-522 | 156.0 | 22.4 | 
| 68-1101 | 20-594 | 168.0 | 24.1 | 
| 68-1198 | 20-648 | 181.2 | 26.0 | 

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