Alloy SteelBar/Rod
Description (English)
Alloy 88 (WM88) nickel-based round bar with superior anti-galling and corrosion resistance. FDA-approved for food contact. ASTM A494 CY5SnBiM.
Size Range
- Minimum Diameter 0.75" (19.05 mm)
- Maximum Diameter 3.00" (76.20 mm)
- Standard Lengths 6" (152.4 mm) and 12" (304.8 mm)
- Extended Length Available 15" (381.0 mm) — for 1.25" diameter
- Product Form Solid Round Bar (cast and machined)
- Tolerance Standard cast bar tolerances; machinable to close clearance
- Custom Sizes Available upon request — any diameter beyond standard range
- Near-Net-Shape Castings Available for high-volume or complex geometry requirements
Grade Specification
| System | Value |
|---|---|
| 🇺🇸 ASTM | CY5SnBiM |
| 🇺🇸 UNS | N26055 |
| DIN / EN | 2.4712 |
Chemical Composition
| Element | Value |
|---|---|
| Ni | Balance |
| Cr | 11-14 |
| Mo | 2-3.5 |
| Bi | 3-5 |
| Sn | 3-5 |
| Fe | 2.0 max |
| Mn | 1.0 max |
| Si | 0.50 max |
| C | 0.05 max |
| P | 0.03 max |
| S | 0.03 max |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Rm), min | 300 MPa |
| Yield Strength (Rp0.2), min | 220 MPa |
| Elongation (A), min | 5% |
| Flexural Modulus (Young's) | 185 GPa |
Physical Properties
| Property | Unit | Value |
|---|---|---|
| Hardness | - | 121–170 BHN (149 typical) |
| Density | - | 0.31 lb/in³ (room temperature) |
| Coefficient of Thermal Expansion | - | 8.0 × 10⁻⁶ in/in/°F (0–500°F) |
| Magnetic Permeability | - | ~10⁻⁴ H/m |
| Max Operating Temperature | - | 500°F (260°C) |
| Galling Resistance | - | ~5× better than 316 stainless steel |
| Thermal Conductivity | - | Low |
| Machinability | - | Similar to 304 stainless steel |
Applications
- Food & Beverage Processing
- Dairy Industry
- Pharmaceutical
- Chemical Processing
- General Industrial