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.
