1. Product Parameters
| Parameter | Specification |
|---|---|
| Standard | ASTM A213/A213M (ASME SA213 equivalent) |
| Carbon (C) | 0.75–0.85% (max 0.15 for SA213 T5) |
| Chromium (Cr) | 3.75–5.00% (4.0–6.0% for SA213 T5) |
| Molybdenum (Mo) | 0.45–0.65% (SA213 T5) |
| Tensile Strength | ≥515 MPa (SA213 T5) |
| Yield Strength | ≥205 MPa (SA213 T5) |
| Elongation | ≥30% |
| Hardness (HRC) | ≤163 HB (SA213 T5) |
| Max Operating Temp | 540°C (SA213 T5) |
2. Material Advantages
High-Temperature Strength: Maintains yield strength ≥205 MPa at 540°C, ideal for supercritical boilers
Superior Creep Resistance: Exhibits 60MPa+ creep rupture strength after 100,000 hours at 540°C
Corrosion Resistance: Chromium-molybdenum alloy resists hydrogen sulfide corrosion (<0.05mm/a)
Weldability: Compatible with GTAW/SAW methods using ER80S-B2 filler metals
3. Market Prospects
Energy Sector Growth: Demand driven by 600MW+ ultra-supercritical power plants
Petrochemical Expansion: Used in hydrocracking reactors and reformers
Nuclear Applications: Emerging use in heat exchangers (15% of T5 market)
4. Key Applications
Power Plants: Superheater tubes, reheater coils (45% of usage)
Oil Refineries: Conversion furnace tubes in FCC units
Chemical Processing: High-pressure steam and corrosive fluid transport
