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ASME SA213 T11 Seamless Alloy Steel Tube is essential for Boiler, Superheater, and Heat exchanger applications. These Alloy and Stainless Steel Seamless Tubes are positioned between two pipes to ensure leakage-free flow of liquefied and gaseous materials. Utilizing advanced machinery and technology ensures high quality, tested rigorously to check for flaws and errors.
ASME/ASTM A213/SA213 Alloy and Stainless Tubing sizes usually range from 1/8 inch [3.2 mm] inside diameter to 5 inch [127 mm] outside diameter. Thicknesses range from 0.015 to 0.500 inch [0.4 to 12.7 mm] inclusive, in minimum or average wall thickness as specified.
| Grade | C | Si | Mn | P, S Max | Cr | Mo |
|---|---|---|---|---|---|---|
| T11 | 0.05~0.15 | 0.50~1.00 | 0.30~0.60 | 0.025 | 1.00~1.50 | 0.44~0.65 |
| Grade | T. S (Tensile) | Y. P (Yield) | Elongation | Hardness |
|---|---|---|---|---|
| T11 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
Packed in bundles or plywood boxes wrapped in plastic, suitably protected for sea-worthy delivery. Marking Includes: Standard, grade, size, heat no., lot no., and whether the tube is hot-finished or cold-finished.






A1: These tubes are primarily used for boilers, superheaters, and heat exchangers due to their excellent heat resistance and mechanical properties.
A2: Hot-finished tubes are processed at high temperatures, while cold-finished tubes are processed at room temperature for better dimensional accuracy and surface finish.
A3: Every tube undergoes flattening, flaring, and either hydrostatic or nondestructive electric testing to ensure structural integrity and compliance.
A4: Yes, all tubes are supplied with Mill Test Certificates issued according to EN10204.3 standards.
A5: We offer sizes ranging from 1/8 inch [3.2 mm] to 5 inch [127 mm] in outside diameter, with wall thicknesses up to 0.500 inch [12.7 mm].
A6: Standard options include Black coating, Varnish coating, 3LPE, and PE coating for corrosion protection.
Dactron Pipe