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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.
Overview
Our UNS N06625 Inconel 625 Round Bar is engineered to meet the rigorous demands of power generation infrastructure, with diameters ranging from 5/8” to 14” and full compliance with ASTM B446/ASME SB 446 standards. As a solid-solution strengthened nickel-chromium-molybdenum-niobium alloy (Werkstoff No. 2.4856), it delivers unmatched performance in high-temperature, corrosive environments—making it the material of choice for critical power generation components.
Key Specifications & Compliance
Alloy Grade: UNS N06625 (Inconel 625), equivalent to JIS NCF 625 and DIN 2.4856
Size Range: 5/8” (15.875mm) to 14” (355.6mm) diameter; available in 1–6m lengths (single random, double random, or custom cut)
Standards Compliance: ASTM B446/ASME SB 446 (primary), plus NACE MR0175/ISO 15156 for sour service compatibility
Finish Options: Hot Rolled Annealed & Pickled (HRAP), Cold Drawn (CD), Bright Drawn (BD), or Centreless Ground (CG)
Tolerances: H8–H13 and K9–K12 series for precision fitting
Chemical Composition (ASTM B446 Requirements)
The alloy’s performance stems from its tightly controlled chemistry:
Element
Content Range (%)
Nickel (Ni)
≥58.0
Chromium (Cr)
20.0–23.0
Molybdenum (Mo)
8.0–10.0
Niobium + Tantalum (Nb+Ta)
3.15–4.15
Iron (Fe)
≤5.0
Carbon (C)
≤0.10
Manganese (Mn)
≤0.50
Phosphorus (P)
≤0.015
Sulfur (S)
≤0.015
This formulation eliminates the need for precipitation-hardening treatments while delivering exceptional strength and corrosion resistance .
Mechanical & Physical Properties
Ideal for power generation’s extreme conditions, the bar exhibits:
Tensile Strength: ≥760 MPa (110,231 psi)
Yield Strength: ≥345 MPa (50,038 psi)
Elongation: ≥30% (room temperature)
Hardness: ≤220 HB
Temperature Stability: -196°C (-320.8°F) to 982°C (1,800°F)
Density: 8.44 g/cm³ (0.305 lbs/in³)
Thermal Expansion: 7.3×10⁻⁶ in/in/°F (20–204°C)
Notably, it maintains structural integrity under thermal cycling—critical for gas turbine and nuclear reactor components .
Power Generation Applications
Inconel 625’s unique properties address key challenges in power infrastructure:
Gas Turbines: Used for turbine blades, combustion chambers, and exhaust manifolds. Its resistance to oxidation and carburization at 982°C prevents premature failure .
Nuclear Power: Deployed in reactor cores and heat exchangers, where it resists radiation-induced corrosion and maintains strength in high-pressure coolants .
Coal-Fired Plants: Ideal for boiler tubes and ash-handling systems, as it withstands sulfuric acid corrosion from flue gases .
Renewable Energy: Utilized in geothermal power pipes and offshore wind turbine drivetrains, enduring saline environments and thermal stress .
Field data shows it extends component lifespan by 30–50% compared to stainless steel in these applications .
Corrosion & Wear Resistance
A standout feature for power generation, the alloy offers:
Chloride Resistance: Immune to stress-corrosion cracking (SCC) in seawater and brine .
Acid Resistance: Withstands nitric, phosphoric, and hydrochloric acids (up to 40°C for HCl) .
Pitting/Crevice Resistance: Outperforms 316L stainless steel in harsh electrolytes .
This resistance reduces maintenance costs and unplanned downtime—critical for power plant reliability.
Fabrication Flexibility
Compliant with ASTM B446, the bar supports standard manufacturing processes:
Welding: Compatible with TIG, MIG, and resistance welding; no post-weld heat treatment required .
Machining: Cold working enhances strength without compromising ductility .
Heat Treatment: Solution annealing (982–1,038°C) optimizes corrosion resistance for specific applications .
Quality Assurance
Each bar undergoes rigorous testing to meet ASTM B446:
Certifications include mill test reports (MTRs) and ISO 9001:2015 compliance.
Why Choose Our Inconel 625 Bar?
For power generation, reliability is non-negotiable. Our bars deliver:
ASTM B446 compliance for regulatory approval
Size versatility (5/8”–14”) for diverse component designs
Proven performance in nuclear, fossil fuel, and renewable energy
Global supply chain with just-in-time delivery
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
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
