T11 Material Alloy Seamless Steel Pipe / Tube Pipe Minimum Wall
Thickness Size
TIPTOP’s state-of-the-art manufacturing processes and advanced
inspection and testing procedures ensure our heat exchanger tubes
stand up to the harshest environments. An experienced provider to
the entire energy industry, TIPTOP is a reliable source for cold
drawn and hot finished heat exchagner tube. TIPTOP has the
capability and capacity to produce the size, specifications,
quality and quantities you need.
1. Standard:
ASTM A213 Standard Specification for Seamless Ferritic and
Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger
Tubes
2. 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.
3. 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 |
4. 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 |
5. Package
Packed in steel bundle, seaworthy packing or as per customer’s
requirement.
6. 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. |
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