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DIN 2.4819 is a nickel-chromium-molybdenum alloy plate, which is widely used in high-temperature and corrosive environments. Here is a detailed description of this alloy plate:
Chemical Composition
The main chemical components of DIN 2.4819 (commonly known as Inconel 625) typically include:
Nickel (Ni): ≥58%
Chromium (Cr): 20.0–23.0%
Molybdenum (Mo): 8.0–10.0%
Columbium (Cb)/Niobium (Nb): 3.15–4.15%
Iron (Fe): ≤5.0%
Manganese (Mn): ≤1.0%
Silicon (Si): ≤0.5%
Carbon (C): ≤0.10%
Phosphorus (P): ≤0.015%
Sulfur (S): ≤0.015%
This composition endows it with excellent corrosion resistance and high-temperature strength.
Mechanical Properties
Tensile Strength: ≥760 MPa (annealed condition)
Yield Strength (0.2% Offset): ≥345 MPa
Elongation at Break: ≥30%
Hardness (HB): ≤220
These properties remain stable even at temperatures up to 700°C, making it suitable for extreme working conditions.
Corrosion Resistance
Resistance to Oxidizing Media: Effective against acids (e.g., nitric acid) and chloride solutions.
Resistance to Reducing Media: Performs well in environments containing sulfur compounds.
Creep and Fatigue Resistance: Maintains structural integrity under long-term high-temperature and stress loads.
High-Temperature Performance
It can withstand continuous service temperatures up to 1093°C, with minimal loss of strength.
Suitable for applications such as furnace components, gas turbine parts, and chemical processing equipment.
Fabrication and Processing
Welding: Can be welded by various methods (e.g., TIG, MIG, and resistance welding) without significant loss of corrosion resistance.
Machining: Requires proper tooling and cooling due to its high work-hardening rate.
Forming: Can be cold-formed in annealed condition, though heavy forming may require intermediate annealing.
Standards and Equivalents
DIN Standard: DIN 2.4819
Equivalent Standards:
ASTM: N06625
ISO: W.Nr. 2.4856
UNS: N06625
Typical Applications
Aerospace: Engine components and exhaust systems.
Marine Engineering: Corrosion-resistant parts in seawater environments.
Chemical Industry: Reactors, heat exchangers, and pipes for handling corrosive media.
Oil and Gas: Offshore platforms and high-pressure pipelines.
Surface and Heat Treatment
Usually supplied in annealed condition with a mill-finished surface.
Solution annealing (at 1093–1204°C followed by rapid cooling) can optimize its ductility and corrosion resistance.
DIN 2.4819 nickel alloy plate is valued for its balanced performance in harsh environments, combining high-temperature stability with excellent corrosion resistance, making it a preferred material for critical industrial applications.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
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