Heat Exchanger T22 Seamless Alloy Steel Pipe For High Pressure 33.4mm x 9.09mm
1. Application
Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants);
High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids);
The petroleum, chemical and petrochemical industries;
The food processing and refrigeration industries;
Natural gas treatment;
2. Available Size Range
| OD | Thickness |
| mm | inch | mm | SCH |
| 21.3~60.3 | 1/2''~ 2'' | 2.11~11.07 | SCH10~XXS |
| *If the steel grades and size you are looking for are not listed above, please contact us for further information. |
3. Standard:
ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
4. Ordering Information
Quantity (feet, meters, or number of lengths),
Name of material (seamless tubes),
Grade (T2, T5, T9, T11, T12, T22, T91, and T92),
Condition (hot finished or cold finished),
Size (outside diameter and minimum wall thickness),
Length (specific or random),
Hydrostatic Test or Nondestructive Electric Test
Increased Sulfur, and
Special requirements and any supplementary requirements selected.
5. Chemical Requirements
| Chemical Requirements |
| Grade | UNS Designation | Composition, % |
| C | Mn | p | S | Si | Cr | Mo | Other Elements |
| max | max |
| T2 | K11547 | 0.10-0.20 | 0.30-0.61 | 0.025 | 0.025 | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 | |
| T5 | K41545 | 0.15 max | 0.30-0.60 | 0.025 | 0.025 | 0.50 max | 4.00-6.00 | 0.45-0.65 | |
| T9 | K90941 | 0.15 max | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 | |
| T11 | K11597 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | |
| T12 | K11562 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | 0.50 max | 0.80-1.25 | 0.44-0.65 | |
| T22 | K21590 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.9-2.6 | 0.87-1.13 | |
| T91 | K90901 | 0.07-0.14 | 0.30-0.60 | 0.02 | 0.01 | 0.20-0.50 | 8.0-9.5 | 0.85-1.05 | V 0.18-0.25 |
| N 0.030-0.070 |
| Ni 0.40 max |
| Al 0.04max |
| Nb 0.06-0.1 |
| T92 | K92460 | 0.07-0.13 | 0.30-0.60 | 0.02 | 0.01 | 0.50 max | 8.5-9.5 | 0.30-0.60 | Ni 0.40 max |
| V 0.15-0.25 |
| B 0.001-0.006 |
| Nb 0.04-0.09 |
| N 0.030-0.070 |
| Al 0.04max |
| W 1.50-2.00 |
6. Mechanical Properties
| Mechanical Properties |
| Grade | T2 | T5 | T9 | T11 | T12 | T22 | T91 |
| Tensile strength, min: | |
| ksi | 60 | 60 | 60 | 60 | 60 | 60 | 85 |
| Mpa | 415 | 415 | 415 | 415 | 415 | 415 | 585 |
| Yield strength, min: | |
| ksi | 30 | 30 | 30 | 30 | 30 | 30 | 60 |
| MPa | 205 | 205 | 205 | 205 | 220 | 205 | 415 |
7. Package
Packed in steel bundle, seaworthy packing or as per customer’s requirement.
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For any requirements, please do not hesitate to contact us.
Product Tags:
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T22 Heat Exchanger Steel Pipe , Alloy Steel Seamless Pipes High Pressure Service Images
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