ASTM B446 Inconel 625 Round Bar with 1-12" Diameter for Aerospace Use UNS N06625 Bars
Price:
Negotiable
MOQ:
10 kg
Delivery Time:
Negotiable
Product Description
ASTM B446 Inconel 625 Round Bar, 1-12" Diameter, Aerospace Use Alloy UNS N06625 Bars
In the high-stakes aerospace industry, material reliability directly impacts flight safety and performance. Our ASTM B446-compliant Inconel 625 round bars (UNS N06625) are engineered to exceed the most rigorous demands of aircraft and spacecraft manufacturing, offering unmatched strength, corrosion resistance, and thermal stability across a 1-12" diameter range.
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 |
Core Material Advantages: The Science Behind UNS N06625
Inconel 625 is a nickel-chromium-molybdenum-niobium alloy renowned for its solid-solution strengthening mechanism—no post-weld heat treatment required to maintain peak performance. Its precise chemical composition (minimum 58% nickel, 20-23% chromium, 8-10% molybdenum, and 3.15-4.15% niobium-tantalum) creates a robust matrix that resists degradation in extreme conditions.
Key Physical and Mechanical Properties
- Density: 8.44 g/cm³ (0.305 lbs/in³)
- Tensile Strength: Minimum 760 MPa (110 ksi), reaching up to 960 MPa for annealed variants
- Yield Strength: 345-414 MPa (50-60 ksi) at 0.2% offset
- Elongation: 30% minimum, ensuring ductility for complex fabrication
- Temperature Resilience: Maintains structural integrity from cryogenic environments to 982°C (1800°F), with short-term resistance up to 1095°C (2000°F)
Critical for aerospace, this alloy is non-magnetic (magnetic permeability 1.0006 when annealed) and exhibits low thermal expansion (7.3-7.7 x 10 in/in/°F from 20-427°C), minimizing stress from temperature fluctuations.
ASTM B446 Compliance & Dimensional Precision
Our round bars adhere strictly to ASTM B446, the industry standard for nickel-alloy hot-rolled and cold-drawn bars. This ensures consistent quality across diameters from 1" to 12", with tight tolerance control (±0.005" for precision grades) to reduce machining waste. Surface finishes include annealed and descaled surfaces (Ra ≤ 1.6 μm) or polished options for critical aerospace components. Standard lengths are 12'-24' or custom-cut to your specifications, with straightness tolerance ≤ 0.015"/ft.
Each bar is traceable via a unique heat number, with certification including chemical analysis, mechanical test results, and dimensional reports—essential for aerospace quality management systems (e.g., AS9100).
Aerospace Applications: Built for Extreme Flight Conditions
Inconel 625's versatility makes it indispensable for mission-critical aerospace components:
- Engine Systems: Turbine casings, combustion chamber liners, and exhaust manifolds rely on its 982°C heat resistance and creep resistance
- Structural Components: Landing gear actuators and wing spar fasteners leverage its high tensile strength and fatigue resistance
- Fluid Management: Fuel and hydraulic lines use 1"-4" diameter bars for corrosion resistance against jet fuels and hydraulic fluids
- Spacecraft Hardware: Rocket thrust chamber tubes and satellite antenna mounts benefit from its low-temperature toughness
Aerospace manufacturers also value its weldability—welded joints retain 80% of base metal strength without cracking, eliminating the need for costly post-weld treatments.
Quality Assurance & Value Proposition
Every round bar undergoes rigorous testing including ultrasonic inspection (per AMS 2631) to detect internal defects, eddy current testing for surface flaw detection, and batch-specific corrosion testing in simulated aerospace environments. We supply both annealed (Grade 1) and solution-treated (Grade 2) variants, with Grade 2 optimized for high-temperature creep resistance up to 1000°C.
Our 1-12" diameter range eliminates the need for multiple suppliers, while just-in-time delivery supports tight aerospace production schedules.
Why Choose Our UNS N06625 Round Bars?
Aerospace engineers trust our products for:
• Regulatory Readiness: Compliance with ASTM B446, AMS 5666, and AS9100 standards
• Performance Consistency: Tight control over niobium and molybdenum content ensures uniform strength
• Cost Efficiency: Precision sizing reduces machining time and material waste
• Technical Support: Our metallurgists provide application guidance for complex designs
• Regulatory Readiness: Compliance with ASTM B446, AMS 5666, and AS9100 standards
• Performance Consistency: Tight control over niobium and molybdenum content ensures uniform strength
• Cost Efficiency: Precision sizing reduces machining time and material waste
• Technical Support: Our metallurgists provide application guidance for complex designs
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben