Its unique composition includes:
- Key Elements: Chromium (16-18%), Nickel (8-9%), Manganese (7-9%), Silicon (3.5-4.5%), and controlled carbon (≤0.10%)12.
- Physical Properties: Density (8.0 g/cm³), melting point (1375°C), and thermal expansion coefficient optimized for high-temperature stability46.
- Mechanical Performance:
- Tensile strength: 690 MPa
- Yield strength: 380 MPa (double that of 304/316 stainless steel)14
- Elongation: 35% (excellent ductility)1
- Hardness: ≤220 HB (annealed condition)2
Product Performance Highlights
- Superior Corrosion Resistance:
- Resists chloride-induced pitting, crevice corrosion, and stress corrosion cracking (SCC)13.
- Ideal for marine, chemical, and oil/gas environments with high chloride content13.
- Exceptional Strength-to-Weight Ratio:
- High yield strength reduces material thickness requirements, lowering component weight24.
- Wear and Abrasion Resistance:
- Performs reliably in high-friction applications like valves and mining equipment24.
- Thermal Stability:
- Maintains integrity across temperatures from -50°C to 300°C4.
Production Methods
Nitronic 60 round bars are manufactured using advanced processes:
- Hot Rolling: For large-diameter bars (≥20mm) to ensure uniform microstructure34.
- Cold Drawing: Enhances surface finish and dimensional accuracy for precision applications34.
- Solution Annealing: Heated to 1020-1100°C followed by rapid cooling to optimize phase balance24.
Equivalent Grades & Standards
- UNS S21800 (ASTM A276/A479)
- Alloy 218 (common commercial name)15
- EN 1.3810 (X2CrNiMnN18-10-5)
- China: Similar grades under GB/T 20878 standards2.
Key Application Fields
Nitronic 60 round bars are critical in industries requiring durability and corrosion resistance:
- Oil & Gas: Subsea valves, pump shafts, and drilling components13.
- Marine Engineering: Desalination systems, ship fittings, and offshore platforms13.
- Chemical Processing: Reactors, heat exchangers, and corrosive fluid handling27.
- Food & Pharma: Hygienic equipment requiring FDA-compliant materials37.
- Aerospace: High-stress fasteners and engine components4.
- Nitronic 60 Round Bar Supplier
- UNS S21800 Stainless Steel Properties
- High-Strength Corrosion-Resistant Alloy
- Nitronic 60 vs 316 Stainless Steel
- Marine-Grade Stainless Steel Round Bar
- Nitronic 60 Chemical Composition
- Wear-Resistant Stainless Steel Applications
Nitronic 60 combines unmatched mechanical performance with corrosion resistance, making it a top choice for engineers tackling extreme operational challenges. For technical specifications or custom orders, contact certified suppliers to ensure compliance with ASTM/EN standards
