Stainless SteelBar/Rod
Description (English)
Nitronic 60 stainless steel round bar supplied for wear-resistant and high-strength applications. AMS 5848 material available to customer specifications.
Size Range
- Diameter Range 8–300 mm
Grade Specification
| System | Value |
|---|---|
| 🇺🇸 UNS | S21800 |
| 🇺🇸 AISI | Type 218 |
| 🇪🇺 EN | Werkstoff 1.3815 |
| Chinese equivalent | No direct GB equivalent (high-Si-Mn austenitic grade) |
Chemical Composition
| Element | Value |
|---|---|
| C | ≤ 0.10 |
| Mn | 7.0–9.0 |
| Si | 3.5–4.5 |
| Cr | 16.0–18.0 |
| Ni | 8.0–9.0 |
| N | 0.08–0.18 |
| Mo | ≤ 0.75 |
| P | ≤ 0.060 |
| S | ≤ 0.030 |
| Fe | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 724 MPa (≤ 12.7 mm Ø) / ≥ 655 MPa (> 12.7 mm Ø) |
| Yield Strength (0.2%) | ≥ 379 MPa (≤ 12.7 mm Ø) / ≥ 345 MPa (> 12.7 mm Ø) |
| Elongation (4D) | ≥ 35% |
| Reduction of Area | ≥ 55% |
| Hardness | ≤ 241 HB (≤ 95 HRB) |
| Charpy V-Notch (−196°C) | ≥ 54 J (cryogenic toughness retained) |
| HS Cold-Worked Condition | Yield ≥ 620 MPa, Tensile ≥ 860 MPa |
Physical Properties
| Property | Unit | Value |
|---|---|---|
| Density | - | 7.62 g/cm³ |
| Elastic Modulus | - | 180 GPa |
| CTE (20–100°C) | - | 15.8 × 10⁻⁶ /K |
| Electrical Resistivity | - | 0.98 μΩ·m |
| Magnetic Permeability | - | 1.003 (essentially non-magnetic, even after cold work) |
| Oxidation Resistance | - | Good to ~980°C (similar to Type 309) |
| Solution Annealing | - | 1060°C, water quench |
Applications
- Fasteners Bolts, nuts, lock washers (ASTM A193 B8S / A194 8S)
- Valves Stems, seats and trim
- Pumps Wear rings and seals
- Chain Drives Pins, bushings, wear rails, roller bearings
- Aerospace Pins, bushings, actuator components
- Marine Boat shafting, mooring pins
- Infrastructure Bridge pins and hangers
- Automotive Valves and engine wear components
- Food & Pharma Wear parts needing corrosion + wear resistance
- General Bushings, rollers, guides