C276 HASTELLOY REACTOR
设计标准：ASME Section VIII Div.1 | NACE MR0175/ISO 15156
设计标准：ASME Section VIII Div.1 | NACE MR0175/ISO 15156
Design Standards: ASME Section VIII Div.1 | NACE MR0175/ISO 15156
Process | Parameters | Critical Controls |
Forming | Hot rolling (1150-1200℃) + Cold working | Deformation ≤20%, prevent σ-phase precipitation |
Welding | GTAW with back purging | Wire: ERNiCrMo-4, interpass temp ≤100℃ |
Heat Treatment | Solution annealing (1121℃±10℃, WQ) | Cooling rate >55℃/s to avoid carbide precipitation |
Surface Finish | Pickling (HNO₃:HF=3:1) + Electropolishing | Ra≤0.4μm, passive film ≥15nm |
Main Structure
Shell: Automatic all-position welding, 100% RT on longitudinal seams
Head: Spin-formed (thickness ≥8mm)
Reinforced Components
Shaft: Integral forging (ASTM B564 UNS N10276)
Jacket: Half-pipe coil (design pressure 4.0MPa)
Sealing System
Dual mechanical seals (SiC/SiC faces)
Emergency seal gas system (API 682 Plan 53B)
Test | Standard | Acceptance Criteria |
Material Certification | ASTM B575 | Co≤2.5%, Fe 4-7%, Mo 15-17% |
Weld Inspection | RT (ISO 17636) | Class I, no lack of fusion/cracks |
Corrosion Test | ASTM G48 Method A | CPT >65℃ (10% FeCl₃) |
Dimensional Tolerance | ASME B16.5 | Flange flatness ≤0.2mm/m |
Advantage | Performance Data |
Extreme Corrosion Resistance | Resists boiling 20% HCl, wet chlorine, sour crude |
High-Temperature Strength | Yield strength >240 MPa @450℃ |
Service Life | >25 years (refinery sour service) |
Maintenance Cost | 40% lower than titanium reactors |
Volume (L) | Diameter (mm) | Height (mm) | Jacket Area (m²) |
1000 | 1000 | 1800 | 6.5 |
5000 | 1800 | 2200 | 15.2 |
10000 | 2200 | 2800 | 22.8 |
Equipment’s construction,dimension,nozzle size and orientation can be designated and processed customized.