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UNS N06625 / 2.4856 /Inconel 625 Round Bar Nickel Alloy Rod Bright and Black Bars

원래 장소 중국
브랜드 이름 DELTA
인증 ISO
모델 번호 인코넬 625
최소 주문 수량 10kg
가격 20 - 35 USD/Kg
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  1. UNS N06625 / 2.4856 /Inconel 625 Round Bar Nickel Alloy Rod Bright and Black Bars

 

Products Specification

 

Standard
AISI, ASTM, BS, DIN, GB, JIS
Grade
Monel series: 400 K500
Inconel series: 600 601 625 718 725
Incoloy series: 800 800H 825 925
Hastelloy series: B,B2,B3,C,C-276,C-4,C-22
Pure: Ni200, Ni201
Specifications
Round bar
Diameter:4~300mm
Flat bar
Thickness
1.0~100mm
Width
1~1500mm
Square bar
Size: 4*4-100*100mm
Length
2m, 5.8m, 6m, or as required.
Surface
Black, peeled, polishing, bright, sand blast, hair line, etc.
Price Term
Ex-work, FOB, CFR, CIF, etc.
Delivery Time
Standard size is in stock,prompt delivery or as order's quantity.

 

UNS N06625 / 2.4856 /Inconel 625 Round Bar Nickel Alloy Rod Bright and Black Bars​

Inconel 625 round bar (UNS N06625 / Werkstoff Nr. 2.4856) is a premium nickel-chromium-molybdenum alloy rod renowned for its exceptional strength, corrosion resistance, and thermal stability. Available as bright and black bars, it meets global standards including AMS 5837, ASTM B446, and DIN specifications, making it a top choice for high-demand industries worldwide .​
Core Specifications & Dimensions​
These nickel alloy rods offer versatile sizing to fit diverse applications:​
  • Diameter Range: 1.5 mm to 500 mm (0.0625″ to 20″), with bright bars typically ranging 4 mm–100 mm for precision uses .​
  • Length: 0.5 m to 6.0 m (1.6 ft to 19.7 ft), with custom cut lengths available.​
  • Tolerances: Cold-drawn bright bars feature tight tolerances (e.g., ±0.002″ for 0.0625″–0.1875″ dia), while hot-worked black bars follow H8–H13 or K9–K12 tolerances .​
  • Density: 8.44 g/cm³ (0.305 lb/in³), with a melting point of 1290–1350°C (2354–2462°F) .​
Chemical Composition & Key Properties​
 
The alloy’s performance stems from its precise chemistry (min. 58% nickel, 20–23% chromium, 8–10% molybdenum, 3.15–4.15% niobium) . This formulation delivers:​
  • Corrosion Resistance: Immunity to pitting, crevice corrosion, and chloride stress cracking—ideal for seawater, chemical processing, and nuclear applications . It resists dry chlorine up to 650°C and ammonia atmospheres .​
  • Mechanical Strength: Annealed bars exhibit tensile strength <1050 MPa (152 ksi), while cold-worked variants reach 1924 MPa (279 ksi) . High creep and rupture strength ensure reliability at 1093°C (2000°F) .​
  • Thermal Stability: Operates from cryogenic temperatures to 982°C (1800°F), with oxidation resistance in carburizing/nitriding environments .​
Bright vs. Black Bars: Key Differences​
Feature
 
 
 
 
Bright Bars
 
 
 
 
Black Bars
 
 
 
 
Surface Finish
 
 
 
 
Polished, smooth (no scale)
 
 
 
 
Oxide scale (matte)
 
 
 
 
Manufacturing
 
 
 
 
Cold-drawn + annealing
 
 
 
 
Hot-rolled
 
 
 
 
Tolerance
 
 
 
 
Tight (±0.002″–±0.004″)
 
 
 
 
Moderate (±0.016″–±0.125″)
 
 
 
 
Typical Uses
 
 
 
 
Precision parts, fasteners, valves
 
 
 
 
Structural components, forging blanks
 
 
 
 
 
 
 
Applications Across Industries​
Inconel 625 round bars excel in harsh environments:​
  • Aerospace: Engine exhaust systems, thrust reversers, and turbine shroud rings, leveraging high fatigue strength .​
  • Marine: Mooring cables, propeller blades, and undersea communication cable sheathing, resisting seawater corrosion .​
  • Chemical Processing: Reaction vessels, distillation columns, and heat exchangers, enduring acidic and chloride-rich media .​
  • Nuclear: Reactor-core components and control rods, with exceptional corrosion resistance in high-purity water .​
  • Oil & Gas: Downhole tubing and valves, withstands sour gas and extreme pressures .​
Quality Assurance​
All bars undergo rigorous testing:​
  • Destructive tests (tensile, hardness) and non-destructive tests (ultrasonic, dye penetrant) .​
  • Annealed at 1038°C (1900°F) for optimal ductility .​
  • Compliance with NACE MR 0175 and ISO 15156-3 for sour service .​
Equivalent grades include JIS NCF 625, BS NA 21, and AFNOR NC22DNB4M , ensuring global compatibility.

 

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