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UNS N06625 Nickel Alloy Round Bar Diameter 6 - 350mm Hot Rolled Bars / Bright

China UNS N06625 Nickel Alloy Round Bar Diameter 6 - 350mm Hot Rolled Bars / Bright

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UNS N06625 Nickel Alloy Round Bar Diameter 6 - 350mm Hot Rolled Bars / Bright

MOQ： 500 kgs
Price： 30 - 35 USD/Kg
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Payment Terms	L/C, T/T, Western Union
Supply Ability	3 Ton per week
Delivery Time	5 - 12 days based on the quantity
Packaging Details	standard packing for export
Products	Nickel Alloy Plate
Grade	UNS N06625 / 625
Diameter	6 - 350mm
Length	custom cutting any length as request
Standard	ASTM EN
Service	Cutting
Loading Port	Shanghai Port
Surface	black , bright
Brand Name	DELTA
Model Number	UNS N06625 / 625
Certification	ISO
Place of Origin	China

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Product Details
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Product Specification


Payment Terms	L/C, T/T, Western Union	Supply Ability	3 Ton per week
Delivery Time	5 - 12 days based on the quantity	Packaging Details	standard packing for export
Products	Nickel Alloy Plate	Grade	UNS N06625 / 625
Diameter	6 - 350mm	Length	custom cutting any length as request
Standard	ASTM EN	Service	Cutting
Loading Port	Shanghai Port	Surface	black , bright
Brand Name	DELTA	Model Number	UNS N06625 / 625
Certification	ISO	Place of Origin	China

UNS N06625 Nickel Alloy Round Bar Diameter 6 - 350mm Hot Rolled Bars / Bright Bars

More Specification Informations

Products Name	UNS N06625 Nickel Alloy Round Bar / Rod
Diameter	6.0 - 350mm
Length	custom cutting any length as request
Surface	Black , bright
Brand	DELTA
Service	cutting, Polishing
MOQ	2 Kgs
Other Type	round bar, strip,coil,pipe.sheet, plate,wire.etc
Packing	waterproof paper and wooden pallets, wooden box
Loading Port	Shanghai Port
Price term	EXW,FOB,CIF,CFR
Deliver time	within 12 days

Regular Diameter of Inconel 625 Round Bar in Stock

6mm	8mm	9mm	10mm	12mm	14mm
15mm	16mm	18mm	19mm	20mm	22mm
25mm	28mm	30mm	32mm	35mm	38mm
40mm	42mm	45mm	48mm	50mm	55mm
60mm	65mm	70mm	75mm	80mm	85mm
90mm	95mm	100mm	105mm	110mm	115mm
120mm	125mm	130mm	140mm	150mm	160mm
170mm	180mm	190mm	200mm	210mm	220mm
230mm	240mm	250mm	260mm	270mm	280mm
290mm	300mm	310mm	320mm	330mm	340mm

UNS N06625 Nickel Alloy Round Bar Diameter 6 - 350mm Hot Rolled Bars / Bright Bars

Inconel 625 (designated as UNS N06625) is a premium nickel-chromium-molybdenum alloy renowned for its exceptional corrosion resistance, high-temperature strength, and structural stability—making its round bar form a staple in demanding industrial applications. Below is a comprehensive overview of its parameters, properties, standards, equivalent grades, key features, and typical uses, with a focus on the 6–350mm diameter range for hot rolled and bright bars.

1. Basic Parameters

The UNS N06625 round bars (Inconel 625) covered here adhere to strict dimensional and material specifications, with key parameters outlined as follows:

Parameter Category	Details
Alloy Designation	UNS N06625, Werkstoff No. 2.4856, ASTM B446 (primary for round bars)
Diameter Range	6mm – 350mm (covers small precision bars to large structural bars)
Surface Finish	- Hot Rolled Bars: Matte, slightly rough surface (Ra 6.3–12.5μm), suitable for machining or further processing. - Bright Bars: Polished/smooth surface (Ra 0.8–3.2μm), ideal for applications requiring aesthetic or low-friction performance.
Length	Standard: 2–6 meters (custom lengths available upon request)
Heat Treatment	Typical: Solution annealing at 980–1150°C (1800–2100°F), followed by rapid quenching (water or air cooling) to optimize corrosion resistance and ductility.
Chemical Composition	Nickel (Ni): ≥58%; Chromium (Cr): 20–23%; Molybdenum (Mo): 8–10%; Niobium (Nb) + Tantalum (Ta): 3.15–4.15%; Iron (Fe): ≤5%; Carbon (C): ≤0.10%; Manganese (Mn): ≤0.50%; Silicon (Si): ≤0.50%; Phosphorus (P): ≤0.015%; Sulfur (S): ≤0.015%.

2. Mechanical & Physical Properties

Inconel 625 round bars exhibit outstanding mechanical strength (even at elevated temperatures) and stable physical properties, making them suitable for harsh environments:

2.1 Mechanical Properties (After Solution Annealing)

Property	Value (Typical)	Test Standard
Tensile Strength	≥827 MPa (120 ksi)	ASTM E8
Yield Strength (0.2% Offset)	≥414 MPa (60 ksi)	ASTM E8
Elongation (in 50mm)	≥30%	ASTM E8
Hardness (Brinell)	≤248 HB	ASTM E10
Impact Toughness (Charpy V-Notch, 20°C)	≥100 J (74 ft-lb)	ASTM E23

2.2 Physical Properties

Property	Value (at 20°C unless noted)
Density	8.44 g/cm³ (0.305 lb/in³)
Thermal Conductivity	11.8 W/(m·K) (82 Btu·in/(ft²·h·°F))
Coefficient of Thermal Expansion (20–100°C)	12.8 × 10⁻⁶/°C (7.1 × 10⁻⁶/°F)
Electrical Resistivity	1.29 × 10⁻⁶ Ω·m (771 Ω·cir-mil/ft)
Melting Range	1290–1350°C (2350–2460°F)

3. Manufacturing & Quality Standards

UNS N06625 round bars (Inconel 625) are produced and inspected in compliance with international standards to ensure consistency and performance:

Standard Type	Relevant Standards
Material Standards	- ASTM B446: Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625) Bar, Rod, and Wire - ASME SB446: Boiler and Pressure Vessel Code (BPVC) approval for pressure-containing components - DIN EN 10269: European standard for nickel alloy bars - JIS H4552: Japanese Industrial Standard for nickel-chromium-molybdenum alloy bars
Dimensional Standards	- ASTM B880: Standard Specification for General Requirements for Nickel and Nickel Alloy Bars and Rods - ISO 10288: International standard for dimensional tolerances of metal bars
Testing Standards	- ASTM E8 (Tensile Testing), ASTM E23 (Impact Testing), ASTM E10 (Hardness Testing) - ASTM A262 (Intergranular Corrosion Testing) - NACE MR0175/ISO 15156: For sour service (oil/gas applications)

4. Equivalent Grades

UNS N06625 (Inconel 625) has standardized equivalents across major global regions, ensuring interchangeability for international projects:

Region	Equivalent Grade Designation
United States	UNS N06625, ASTM B446 (Inconel 625)
Europe	Werkstoff No. 2.4856, DIN EN 10269
Japan	JIS H4552 (NCF625)
China	GB/T 15007 (N06625)
International (ISO)	ISO 6363-3 (NiCr22Mo9Nb)

5. Key Features

UNS N06625 round bars stand out for their unique combination of properties, addressing critical challenges in demanding industries:

Exceptional Corrosion Resistance: Resists uniform corrosion, pitting, crevice corrosion, and stress corrosion cracking (SCC) in aggressive media, including seawater, acidic solutions (e.g., sulfuric acid, hydrochloric acid), and chloride-rich environments. This is attributed to its high chromium and molybdenum content, plus niobium stabilization.
High-Temperature Performance: Maintains mechanical strength and oxidation resistance at temperatures up to 1093°C (2000°F), with no significant creep deformation under long-term thermal stress.
Excellent Fabricability: Hot rolled bars are easy to machine, forge, or weld (with proper filler metals like ERNiCrMo-3); bright bars require minimal post-processing for precision applications.
Stable Microstructure: Niobium forms intermetallic phases (e.g., γ” precipitates) that strengthen the alloy without compromising ductility, avoiding brittle phases even after prolonged exposure to high temperatures.

6. Applications

Given its robust properties, UNS N06625 round bars (6–350mm diameter) are widely used in industries requiring reliability under extreme conditions:

Oil & Gas: Downhole tubulars, wellhead components, and valves for sour service (high H₂S/CO₂)；subsea pipelines and connectors (resistant to seawater corrosion).
Aerospace & Aviation: Turbine blades, combustion chambers, and exhaust systems (withstands high temperatures and thermal cycling)；fasteners and structural parts for aircraft engines.
Chemical Processing: Reactors, heat exchangers, and pump shafts (resists corrosive chemicals like acids, alkalis, and organic solvents).
Power Generation: Boiler tubes, steam turbine components, and nuclear reactor internals (tolerates high pressure and thermal stress).
Marine Engineering: Propeller shafts, ship hull components, and offshore platform structures (immune to seawater pitting and biofouling).
Medical Equipment: Surgical instruments and implantable devices (biocompatible and corrosion-resistant in bodily fluids).

In summary, UNS N06625 (Inconel 625) round bars (6–350mm, hot rolled/bright) offer a balance of strength, corrosion resistance, and versatility, making them a preferred choice for critical applications across high-stakes industries.

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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...

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