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Hot Rolled Corrosion Resistant Nickel Alloy Round Bar Alloy C276 Round Rod Diameter 6-350mm ASTM EN GB Standard
Product Details
| Shape | Round | Technique | Hot Rolled |
|---|---|---|---|
| Surface Treatment | Pickling | Diameter | 6.0 - 350mm |
| Length | Custom Cutting | Tensile Strength | ≥ 795 MPa |
| Yield Strength | ≥ 310 MPa | Elongation | ≥ 40% |
| Hardness | ≤ 210 HB | Density | 8.89 G/cm³ |
| Melting Range | 1325-1370 °C | Thermal Conductivity | 10.8 W/(m*K) |
| Coefficient Of Thermal Expansion | 12.4 × 10 /°C | Electrical Resistivity | 1.37 × 10 Ω*m |
| Surface Roughness | Ra ≤ 6.3 μm | ||
| Highlight | Hot Rolled Nickel Alloy Round Bar,Corrosion Resistant Alloy C276 Round Rod,Diameter 6-350mm Hastelloy C276 Round Bar |
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Product Description
Hot Rolled Nickel Alloy Round Bar UNS N10276 / 2.4819 / Alloy C276
Hot-rolled Alloy C276 round bars are nickel-molybdenum-chromium-tungsten alloys renowned for exceptional corrosion resistance in harsh industrial environments. These round bars offer superior durability, chemical stability, and mechanical strength for critical applications.
Quick Specifications
Grade: Hastelloy C276 / 2.4819
Shape: Round Bar
Diameter: 6.0 - 350mm
Type: Hot rolled, forged
Length: Custom cutting available
Certificate: EN 10204-3.1
Chemical Composition
The superior performance of Alloy C276 stems from its precisely controlled chemical composition:
| Element | Content Range (%) | Primary Function |
|---|---|---|
| Nickel (Ni) | ≥ 57 | Base metal; provides structural stability and resistance to chloride stress corrosion cracking |
| Chromium (Cr) | 14.5 - 16.5 | Enhances resistance to oxidizing media |
| Molybdenum (Mo) | 15.0 - 17.0 | Improves resistance to reducing media |
| Tungsten (W) | 3.0 - 4.5 | Boosts resistance to pitting and crevice corrosion |
| Iron (Fe) | ≤ 5.0 | Reduces alloy cost while maintaining ductility |
| Carbon (C) | ≤ 0.01 | Minimizes carbide precipitation |
Mechanical Properties
| Property | Test Standard | Value (Typical) | Unit |
|---|---|---|---|
| Tensile Strength (UTS) | ASTM E8 | ≥ 795 | MPa |
| Yield Strength (0.2% Offset) | ASTM E8 | ≥ 310 | MPa |
| Elongation (in 50 mm) | ASTM E8 | ≥ 40 | % |
| Hardness (Brinell) | ASTM E10 | ≤ 210 | HB |
Physical Properties
| Property | Value | Unit |
|---|---|---|
| Density | 8.89 | g/cm³ |
| Melting Range | 1325-1370 | °C |
| Thermal Conductivity (25°C) | 10.8 | W/(m*K) |
| Coefficient of Thermal Expansion (20-100°C) | 12.4 × 10 | /°C |
Production Process
The manufacturing process ensures consistency and performance through strict quality controls:
- Raw Material Melting & Casting using high-purity elements
- Homogenization Annealing at 1050-1100°C
- Hot Rolling at 1000-1100°C for optimal grain structure
- Solution Annealing & Quenching for maximum corrosion resistance
- Surface Treatment including pickling and optional finishing
- Quality Inspection with non-destructive testing and analysis
International Standards
| Standard System | Standard Number | Specification Scope |
|---|---|---|
| ASTM (USA) | ASTM B574 | Nickel-Chromium-Molybdenum-Tungsten Alloy Bars and Rods |
| EN (Europe) | EN 10088-3 | Wrought Products (Alloy 2.4819) |
| GB (China) | GB/T 2054 | Nickel and Nickel Alloy Bars and Rods |
| ISO | ISO 6208 | Nickel and Nickel Alloy Rods and Bars |
Equivalent Grades
| Standard System | Grade Designation |
|---|---|
| UNS (USA) | UNS N10276 |
| DIN/EN (Europe) | Werkstoff 2.4819 |
| GB (China) | N06276 |
| JIS (Japan) | NW2276 |
| BS (UK) | NA 21 |
Applications
Alloy C276 round bars are essential in industries requiring superior corrosion resistance and mechanical reliability:
- Chemical Processing Industry - reactors, heat exchangers, pumps, valves
- Oil & Gas Industry - downhole tools, wellhead components, pipeline parts
- Environmental Engineering - flue gas desulfurization systems, wastewater treatment
- Aerospace & Defense - engine components, rocket nozzles, military hardware
- Nuclear Power - radiation-resistant components
- Marine Engineering - seawater-resistant fasteners
- Semiconductor Manufacturing - high-purity equipment
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