ASTM A213 TP310S ( 1.4845 ) Stainless Steel Seamless Tube Heat Exchanger
ASTM A213 TP310S 1.4845 Stainless Steel Seamless Tube Heat Exchanger
310S stainless steel is an austenitic chromium-nickel stainless steel with excellent oxidation resistance, corrosion resistance, and high temperature resistance. Due to the high percentage of chromium and nickel, it has much better creep strength, can continue to work at high temperatures, and has good high temperature resistance. Due to the high content of nickel (Ni) and chromium (Cr), it has good oxidation resistance, corrosion resistance, acid and alkali resistance, and high temperature resistance.
As the steel tube is made of many kinds of alloy components, it is very difficult to process hardness and cutting. It is mainly used to manufacture high-temperature superheater, high-temperature reheater, high-temperature section of platen superheater and high-temperature and high-pressure resistant tube parts of large power generation boiler with large pressure parameters and close to critical or supercritical.
These Stainless Steel ASTM A213 TP 310S Seamless Tubes has general corrosion resistance superior than SS 304 and SS 309. They might be susceptibe to chloride stress corrosion cracking, and has an easiness of fabrication.
They are mainly used to manufacture high-temperature superheater, high-temperature reheater, high-temperature section of platen superheater and high-temperature and high-pressure resistant tube parts of large power generation boiler with large pressure parameters and close to critical or supercritical.
Benefits of using 310s Stainless Steel Seamless Tube:
1.Higher carbon content gives the material greater heat resistant qualities
2.Higher tensile yield strength
3.Greater short and long term creep strength.
Standard Specification For SS 310S Seamless Tubes
| Specification | ASTM A213 / ASME SA213 |
| 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 |
The chemical composition of 310S:
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 310S | min. max. |
- 0.08 |
- 2.00 |
- 1.50 |
- 0.045 |
- 0.030 |
24.0 26.0 |
- | 19.0 22.0 |
Equivalent for 310s:
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 310S | S31008 | 310S16 | - | 1.4845 | X8CrNi25-21 | 2361 | SUS 310S |
Mechanical Properties:
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max |
||||
| 310S | 515 | 205 | 40 | 95 | 217 |
Physical properties:
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion(μm/m/°C) | Thermal Conductivity(W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 310 / 310S | 7750 | 200 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 720 |
Applications:
-Oven linings
-Boiler baffles
-Fire box-a sheets
-Furnace components
-Other high temperature containers
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