Durable Monel 400 Round Steel with Excellent Resistance to Acids & Saline Environments, Customizable Sizes, ASTM B165 Compliant

Premium nickel-copper alloy offering exceptional resistance to acidic and saline environments with customizable sizing options, fully compliant with ASTM B164 standards.

Monel 400 demonstrates extraordinary resistance in both oxidizing and reducing environments, with exceptional performance in sulfuric acid, phosphoric acid, and alkaline solutions. In seawater immersion, corrosion rates remain below 1 mil per year (0.025 mm/year).

Excellent mechanical properties across wide temperature ranges: tensile strength 70-85 ksi (480-585 MPa), yield strength 25-45 ksi (170-310 MPa). Maintains strength and toughness from -200°F (-129°C) to 1000°F (538°C).

• Density: 0.319 lb/in³ (8.83 g/cm³)
• Melting range: 2370-2460°F (1300-1350°C)
• Thermal conductivity: 15.5 BTU-in/hr-ft²-°F (22.4 W/m·K)
• Specific heat capacity: 0.092 BTU/lb-°F (385 J/kg·K)

• Nickel (including cobalt): 63.0% minimum
• Copper: 28.0-34.0%
• Iron: 2.5% maximum
• Manganese: 2.0% maximum
• Carbon: 0.3% maximum
• Silicon: 0.5% maximum
• Sulfur: 0.024% maximum

• Tensile Strength: 70,000-85,000 psi (480-585 MPa)
• Yield Strength (0.2% offset): 25,000-45,000 psi (170-310 MPa)
• Elongation in 2 inches: 35-50%
• Hardness: Rockwell B 65-85
• Modulus of Elasticity: 26,000 ksi (179 GPa)

• Standard diameters: 0.125 inches to 12 inches (3 mm to 300 mm)
• Lengths: Random mill lengths up to 20 feet (6 meters) or cut-to-size specifications
• Tolerance: Hot-rolled bars ±0.005 inches, Cold-drawn bars ±0.002 inches
• Surface finishes: Hot-rolled, turned, polished, or centerless ground
• Special processing: Peeling, turning, and precision grinding available

Rigorous quality control using vacuum induction melting (VIM) and electro-slag remelting (ESR) techniques ensures chemical homogeneity and purity. Complete traceability and material certification per ASTM B164 requirements.

• Certified Material Test Reports (CMTR)
• Chemical Analysis Certificates
• Mechanical Test Reports
• Non-Destructive Testing Reports (UT, MT, PT as required)
• Origin and Mill Certificates

• Technical Superiority: Consistent microstructure and mechanical properties with excellent machinability (30% relative to free-cutting brass)
• Customization Capabilities: Special sizes, tolerances, surface finishes, and heat treatment conditions
• Supply Chain Reliability: Strategic inventory management and established mill relationships
• Proven Performance: Decades of experience in critical applications worldwide
• Technical Support: Metallurgical expertise for material selection and fabrication optimization
• Environmental Responsibility: Sustainable manufacturing and recyclable materials