Customization: | Available |
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Application: | Cable Protection, Chemical Transport, Drainage System, HVAC System, Irrigation System, Water Supply |
Certification: | ASTM, CE, ISO |
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Primary Standard: ASME SA210 (Seamless Medium-Carbon Steel Boiler & Superheater Tubes).
Complementary Standards:
ASME B36.10M (Dimensions & Tolerances).
ASME Sec. I (Power Boiler Applications).
EN 10216-2 (EU Equivalent: P195/P235/P265).
Parameter | Tolerance |
---|---|
OD Tolerance | ±1% (Hot-Finished) / ±0.5% (Cold-Drawn) |
Wall Thickness Tolerance | +12.5%, -10% |
U-Bend Ovality | ≤8% of OD (Post-Bending) |
High-Temperature Stability - Retains strength up to 450°C (Grade C preferred for superheaters).
Corrosion & Oxidation Resistance - Ferritic structure resists steam erosion.
Custom Bend Radii - 1.5D to 5D for compact heat exchanger layouts.
Chemical Composition (Grade C Example):
Element | SA210 Grade C Requirement |
---|---|
C | ≤0.35% |
Mn | 0.29-1.06% |
P | ≤0.035% |
S | ≤0.035% |
Mechanical Tests:
Tensile Strength: ≥485 MPa (Grade C).
Yield Strength: ≥275 MPa (Grade C).
Hardness: ≤179 HB (Annealed Condition).
Power Plants: Superheater/reheater coils, boiler U-bends.
Heat Exchangers: Condensers, economizers.
Industrial Steam Systems: High-pressure steam distribution.
Export Packaging: VCI-coated bundles + wooden end caps.
Certification: EN 10204-3.1 MTC with bend inspection reports.
Property | Grade A1 | Grade C |
---|---|---|
Carbon Content | ≤0.27% | ≤0.35% |
Tensile Strength | ≥415 MPa | ≥485 MPa |
Primary Use | Low-Pressure Boilers | High-Temp Superheaters |
Cold Bending: Minimal deformation, mandrel-assisted for precise U-shape.
Stress Relief: 650-700°C to prevent micro-cracking post-bending.