Industrial-Grade Monel K500 Round Bar
Premium nickel-copper alloy engineered for applications demanding exceptional durability, corrosion resistance, and mechanical strength. Ideal for valve stems, shafts, and critical engineering components.
Product Specifications
Standards
AISI, ASTM, BS, DIN, GB, JIS
Length
2m, 5.8m, 6m, or custom
Material Overview
Monel K500 round bar is a precipitation-hardened nickel-copper alloy that delivers superior hardness, tensile strength, and wear resistance while maintaining excellent corrosion resistance in harsh environments including seawater, acidic/alkaline solutions, and high-temperature gases.
Chemical Composition
| Element |
Content Range (%) |
Role |
| Nickel (Ni) |
63.0 - 67.0 |
Primary base metal providing corrosion resistance |
| Copper (Cu) |
27.0 - 33.0 |
Enhances strength and seawater resistance |
| Aluminum (Al) |
2.3 - 3.1 |
Enables precipitation hardening |
| Titanium (Ti) |
0.35 - 0.85 |
Forms precipitates with aluminum |
| Iron (Fe) |
≤ 2.0 |
Minimizes impurities |
Mechanical Properties
| Property |
Metric Unit |
Imperial Unit |
| Tensile Strength |
≥ 1100 MPa |
≥ 160 ksi |
| Yield Strength |
≥ 790 MPa |
≥ 115 ksi |
| Elongation |
≥ 15% |
≥ 15% |
| Hardness |
30 - 40 HRC |
30 - 40 HRC |
Performance Advantages
- Exceptional Hardness: 2-3 times higher than Monel 400 with Rockwell C hardness of 30-40 HRC
- Superior Corrosion Resistance: Resists pitting, crevice corrosion, and stress corrosion cracking in seawater and chemical environments
- High Temperature Stability: Maintains strength at temperatures up to 480°C (900°F)
- Excellent Machinability: Can be machined into complex shapes using proper carbide tools and cooling
Industry Applications
Oil & Gas Industry
Valve stems, seats, sucker rods, and pump shafts that withstand high pressure, temperature fluctuations, and corrosive drilling fluids.
Marine Engineering
Propeller shafts, rudder pins, and subsea connector components resistant to seawater corrosion and biofouling.
Chemical Processing
Reactor shafts, agitator shafts, and heat exchanger tubesheets for corrosive chemical environments.
Aerospace & Defense
Landing gear components and missile guidance system parts requiring high strength and temperature stability.
Standards & Certifications
Manufactured to ASTM B865, ASME SB-865, EN 1774, ISO 6208, and NACE MR0175/ISO 15156 standards. Available with Mill Test Reports per EN 10204 3.1B.
Available Product Forms
Beyond round bars, Monel K500 is available as sheet, plate, pipe, tube, wire, forgings, fasteners, and fittings to meet diverse engineering requirements.
Delivery & Packaging: Standard sizes available from stock with prompt delivery. Export standard packaging including container options: 20ft GP (24-26CBM), 40ft GP (54CBM), and 40ft HG (68CBM).