ASTM A182 F316L Stainless Steel Heat Exchanger Tubesheet
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ASTM A182 specifies the requirements for forged or rolled alloy and stainless steel flanges, forged fittings, valves, and valve components intended for high-temperature and high-pressure environments. The material grades covered by this standard, such as F316L, are widely used in the manufacture of forged components for pressure equipment (including tube sheets).
F316L tube sheets are critical pressure-bearing components in heat exchangers and pressure vessels, typically fabricated from thick plates or forging blanks. When forgings are used to manufacture tube sheets, ASTM A182 is one of the most commonly adopted material standards.
The ASTM A182 F316L tube sheets supplied by GNEE are generally produced from forged steel billets through processes including forging, rough machining, heat treatment, and finishing. The forging process must ensure forgeability and minimize internal defects. All F316L forgings must undergo solution heat treatment after final forging and forming. First, the steel is heated to a temperature range of 1040°C to 1150°C (1900°F to 2100°F) and held for sufficient time to fully dissolve carbides, followed by rapid cooling. Solution annealing dissolves chromium carbides and other precipitated phases, restores optimal corrosion resistance, relieves machining stresses, and softens the material for subsequent processing.
ASTM A182 F316L Stainless Steel Heat Exchanger Tubesheet Specifications
Below is a detailed specification table for ASTM A182 F316L Stainless Steel Heat Exchanger Tubesheet, commonly used in heat exchangers for high-performance applications:
| Property | Specification |
|---|---|
| Material Grade | ASTM A182 F316L |
| Material Type | Stainless Steel |
| Tensile Strength | ≥ 520 MPa |
| Yield Strength | ≥ 205 MPa (0.2% Offset) |
| Elongation | ≥ 40% (in 50mm length) |
| Hardness | ≤ 200 HB |
| Surface Finish | Polished, Annealed, or as specified |
| Thickness Range | 10 mm to 150 mm |
| Outer Diameter Range | 100 mm to 1000 mm (depending on the application) |
| Standard Thickness for Heat Exchanger | Typically 30 mm to 80 mm |
| Corrosion Resistance | Excellent resistance to pitting, crevice, and stress corrosion in various aggressive environments, including seawater |
| Temperature Resistance | Continuous service up to 870°C (1600°F) |
| Applications | Used for heat exchanger tubesheets, pressure vessels, chemical reactors, boilers, and other high-temperature, high-corrosion applications |
Stainless Steel 316L Tube Sheet Use For Heat Exchanger Chemical Composition %
| Chemical Composition | C | Mn | P | S |
| ≤0.03 | ≤2.00 | ≤0.045 | ≤0.03 | |
| Si | Cr | Mo | Ni | |
| ≤0.75 | 16.00~18.00 | 2.00~3.00 | 10.00~14.00 |
Applications of ASTM A182 F316L Tubesheets
Chemical and petrochemical industries: Various heat exchangers, condensers, and reactors used to handle corrosive media such as acids, alkalis, and salts.
Marine engineering: Seawater desalination plants, ship heat exchangers, and offshore platform cooling systems.
Pharmaceutical and food industries: Process equipment requiring extremely high material purity and corrosion resistance.
Nuclear power industry: Auxiliary cooling systems and heat exchange equipment for non-nuclear components.
Pulp and paper industry: Handling corrosive chemical solutions.
GNEE is a specialized manufacturer of tube sheets used to support tube bundles in shell-and-tube heat exchangers. Our workshop is equipped with modern machinery, including CNC drilling machines, enabling the production of any type of tube sheet. All machining activities-such as turning, drilling, reaming, tapping, grooving, and surface milling-can be executed strictly in accordance with customer drawings and specifications. Since all drilling operations are computer-programmed and performed by state-of-the-art CNC machine tools, no human errors occur.
ASTM A182 F316L tube sheets are securely packaged in moisture-proof plastic wrapping, with additional protection provided by wooden crates or steel frames to prevent damage during shipping and ensure safe delivery.
