ASME SA105 Body Flange ASME B16.5 For Pressure vessels, Shell And Tube Heat Exchangers
ASME SA105 Body Flange ASME B16.5 For Pressure vessels, Shell And Tube Heat Exchangers
A shell flange is a type of flange used in equipment manufacturing.
It typically refers to a flange that is directly welded to the equipment shell or head, used for detachable connections between components of the equipment itself, or for connection to external piping systems.
ASME SA105 is a highly standardized specification for high-quality materials. The materials specified in this standard can be used in equipment conforming to ASME BPVC Section VIII.
Forged flanges produced under this standard have higher strength, toughness, and fatigue resistance. They are suitable for pressure vessels, heat exchangers, and separators in petrochemical and natural gas processing applications where high pressure and high temperature are required.
Application of shell-and-tube flanges in heat exchangers: Providing the necessary detachable connection while ensuring the sealing of both the shell-side and tube-side independent pressure chambers.
| Chemical Requirements | |
| Element | Composition,% |
| Carbon | 0.35max |
| Manganese | 0.6-1.05 |
| Phosphorus | 0.035 max |
| Sulfur | 0.040 max |
| Silicon | 0.10-0.35 |
| Copper | 0.40 max |
| Nickel | 0.40 max |
| Chromium | 0.30 max |
| Molybdenum | 0.12 max |
| Vanadium | 0.08 max |
| Mechanical Properties | ||
| Property | Requirement Value | Test Standard (ASTM) |
| Tensile Strength | ≥ 485 MPa (70 ksi) | A370 |
| Yield Strength | ≥ 250 MPa (36 ksi) | A370 |
| Elongation (in 50mm / 2in) | ≥ 22% | A370 |
| Reduction of Area | ≥ 30% | A370 |
| Hardness | ≤ 187 HBW | A370 |
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