ASTM A213 UNS S31008 Heat Exchanger Tube
1.Standard: ASTM A213, ASME SA213
2.OD Size: 3.18 mm - 127 mm
3.Wall Thickness: 0.40 mm - 12.70 mm
5.Equivalent: UNS S31008, WNR.1.4845, AISI 310S, Alloy 310S
ASTM A213 UNS S31008, is an austenitic chromium-nickel stainless steel with exceptional high-temperature properties and corrosion resistance. S31008 stainless steel is renowned for its ability to operate efficiently at temperatures up to 1100°C (2012°F). This makes it an excellent choice for heat exchangers that are exposed to high thermal loads. The alloy retains its mechanical strength and structural integrity at elevated temperatures, ensuring reliable performance in demanding conditions.
ASME SA213 TP310S Applications in Heat Exchanger Tubes:
- Petrochemical Industry
- Power Generation
- Boilers And Heat Exchangers In Power Plants.
- Chemical Processing
Standard Specification For SS 310S Seamless Tubes
| Specification | ASTM A213 / ASME SA213 |
| Standard | ASTM, ASME and API |
| Size | 1 / 8" NB - 24" NB |
| Types | Seamless - Hot Rolled / Cold Drawn |
| Length | Single Random, Double Random & Required Length |
| Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Types | Seamless / Cold Drawn / Hot Finish / Cold Finish |
| Form | Round Tubes, Square Tubes, Rectangular Tube, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
| End | Plain End, Beveled End, Treaded |
ASME SA213 UNS S31008 Tubes Mechanical Properties
| Tensile Strength (MPa) min | 515 | |
| Yield Strength 0.2% Proof (MPa) min | 205 | |
| Elongation (% in 50mm) min | 40 | |
| Hardness | Rockwell B (HR B) max | 95 |
| Rockwell B (HR B) max | 217 | |
ASTM A213 310s Stainless Steel Seamless Tube Physical Properties
| Density (kg/m3) | 7750 | |
| Elastic Modulus (GPa) | 200 | |
| Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000°C | 15.9 |
| 0-3150°C | 16.2 | |
| 0-5380°C | 17.0 | |
| Thermal Conductivity (W/m.K) | at 1000°C | 14.2 |
| at 5000°C | 18.7 | |
| Specific Heat 0-1000C (J/kg.K) | 500 | |
| Electrical Resistivity (n.m) | 720 | |
ASTM A213 / ASME SA 213 Standard
ASTM A213 specification outlines the requirements for seamless ferritic and austenitic alloy steel boiler, superheater, and heat exchanger tubes. Compliance with this standard ensures that the tubes meet rigorous quality and performance criteria, including chemical composition, mechanical properties, and testing requirements. Tubes manufactured to ASTM A213 standards undergo stringent testing to ensure they perform reliably under high-temperature and high-pressure conditions.
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