ASTM A312 TP310S Stainless Steel Coil Seamless Pipe
ASTM A312 TP310S Stainless Steel Coil Seamless Pipe
These large coils aren't designed for ordinary equipment; they're often crucial components of large, core industrial equipment.
For example, the cracking/converter furnaces in giant refineries or petrochemical plants are like large chemical plants, with internal tubing requiring hundreds or even thousands of meters to carry high-temperature, high-pressure feed gas. Prefabricating such long pipes into one or several massive coils is the most efficient and reliable method.
Large-scale steam methane reforming hydrogen production units are key equipment for hydrogen production. Their core components are composed of massive coils of TP310S alloy steel pipe, which carry out chemical reactions at high temperatures.
Steam generator systems in large thermal or nuclear power plants, while perhaps different in form, similarly require large-scale, high-quality, heat-resistant steel piping systems.
Chemical Composition of ASTM A312 TP310S Stainless Steel Seamless Pipes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 310 | min. max. |
- 0.25 |
- 2.00 |
- 1.50 |
- 0.045 |
- 0.030 |
24.0 26.0 |
- | 19.0 22.0 |
| 310S | min. max. |
- 0.08 |
- 2.00 |
- 1.50 |
- 0.045 |
- 0.030 |
24.0 26.0 |
- | 19.0 22.0 |
Mechanical Properties of ASTM A312 310S Stainless Steel Seamless Pipes
| 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 |
||||
| 310 | 515 | 205 | 40 | 95 | 217 |
| 310S | 515 | 205 | 40 | 95 | 217 |
ASTM A312 TP310S Stainless Steel Seamless Pipes 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 |
Grade Specification Comparison for ASTM A312 TP310S Stainless Steel Seamless Pipes
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 310 | S31000 | 310S24 | - | 1.4840 | X15CrNi25-20 | - | SUH 310 |
| 310S | S31008 | 310S16 | - | 1.4845 | X8CrNi25-21 | 2361 | SUS 310S |
Application.
1. Petrochemical & Refining Industry
Furnace Tubes
Transfer Lines
2. Power Generation
Boiler Superheaters
High-Temperature Steam Lines
3. Heat Treatment & Industrial Furnaces
Radiant Tubes
Roller Rails and Belts
4. Chemical Process Industries
High-Temperature Reactor Coils
High-Purity Transfer Lines
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