316ti Stainless Steel Plate
316Ti Stainless Steel Plate is a high-performance alloy that combines the superior corrosion resistance of 316 stainless steel with the added benefits of titanium stabilization. This makes it an ideal material for use in environments that require resistance to pitting, crevice corrosion, and stress corrosion cracking. With excellent weldability, formability, and high strength, 316Ti Stainless Steel Plate is widely used in industries that require robust and reliable materials.
- Product Introduction
316Ti stainless steel plates aren't just corrosion-resistant-they're intergranular corrosion assassins. By adding titanium (0.5% min) to 316's formula, this stabilized alloy eliminates carbide precipitation at 450–850°C, making it the ultimate choice for welded structures in acidic, high-heat environments. From sulfuric acid reactors to jet engine afterburner components, 316Ti plates defy degradation where standard 316L would crumble.
Why 316Ti Outperforms
| Challenge | 316Ti Plate | 316L | 321 |
|---|---|---|---|
| Intergranular Corrosion | Immune (ASTM A262 Practice E) | Fails after prolonged 450°C exposure | Immune but lower Mo content |
| High-Temp Strength | 180 MPa at 600°C | 120 MPa at 600°C | 150 MPa at 600°C |
| Cost per Ton | $7.200 | $5.800 | $6.500 |
Key Properties
Ti Stabilization: Ti ≥5×C content prevents Cr23C6 formation during welding/heat treatment.
Pitting Resistance (PREN): 30+ (vs. 28 for 316L) due to 2.1% Mo and Ti synergy.
Thermal Conductivity: 16.3 W/m·K (superior to 317L for heat exchanger applications).
Industry-Specific Mastery
1. Chemical Processing
Sulfuric acid concentrators | Phenol reactor vessels | Chlor-alkali cell liners
2. Aerospace
Exhaust ducting for turbofans | Rocket combustion chamber mounts | APU heat shields
3. Energy
Flue gas desulfurization scrubbers | Geothermal brine piping | Nuclear fuel rod handling tools
4. Automotive
Turbocharger housings | EGR cooler plates | EV battery thermal management systems
Fabrication Precision
Welding Protocol:
Filler Metals: ER316Ti or ER320LR for critical joints | No post-weld heat treatment required
Gas Protection: 98% Ar + 2% H₂ for TIG welding to prevent titanium oxide formation
Machining Tips:
Use carbide tools with 15° positive rake angle | Lubricate with sulfur-free oils
Surface Treatments:
Pickling (HNO₃ + HF mix) to restore corrosion resistance | Bead blasting for fatigue-prone components
Proven Global Resilience
BASF Chemical Complex: "316Ti reactor plates survived 10+ years in 98% sulfuric acid at 80°C."
Boeing Defense: "Zero intergranular cracks in welded afterburner mounts after 2.000 flight hours."
Iceland Geothermal Plant: "316Ti brine pipes outperformed 317L by 3x lifespan in H₂S-rich steam."
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