ASTM B164 Monel 400
ASTM B164 is the standard specification for Monel 400 (UNS N04400) rod, bar, and wire made from nickel-copper alloy. It covers cold-worked and hot-worked solid products, primarily used for components requiring excellent corrosion resistance, strength, and toughness.
🔧 Key Composition of Monel 400 (UNS N04400)
| Element | Content (%) |
|---|---|
| Nickel (Ni) | ≥63.0 |
| Copper (Cu) | 28.0–34.0 |
| Iron (Fe) | ≤2.5 |
| Manganese (Mn) | ≤2.0 |
| Carbon (C) | ≤0.3 |
| Silicon (Si) | ≤0.5 |
| Sulfur (S) | ≤0.024 |
📐 Mechanical Properties (Typical, per ASTM B164)
| Property | Value |
|---|---|
| Tensile Strength | ≥ 70 ksi (≥ 485 MPa) |
| Yield Strength (0.2%) | ≥ 25 ksi (≥ 170 MPa) |
| Elongation | ≥ 30% |
| Hardness | 65–95 HRB (Annealed) |
| Density | 8.8 g/cm³ |
🌊 Features and Applications
Corrosion Resistance: Excellent in seawater, brine, sulfuric acid, and hydrofluoric acid.
High Strength & Ductility: Good mechanical properties over a wide temperature range.
Non-Magnetic: In annealed condition.
Common Applications:
Pump and valve components
Fasteners and springs
Marine shafts and fittings
Chemical processing equipment
🛠️ SSM's Offering
SSM manufactures and supplies Monel 400 round bars, rods, and wires in full compliance with ASTM B164, suitable for marine, chemical, and industrial applications requiring exceptional corrosion resistance and mechanical durability.
