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Heat-resistant alloy steel tubing known as Alloy Steel T11 tubes finds its employment in a variety of high-temperature applications, chiefly in the petrochemical and power generation sectors. The designation "T11" designates an alloy composition in which iron makes up the remaining percentage and the steel's main constituents are molybdenum (0.5%) and chromium (1.25%). Because of its exceptional heat resistance, this alloy can be used in conditions where high pressure and temperatures are common. T11 alloy steel's principal attribute is its capacity to preserve strength and structural integrity at high temperatures, usually up to around 560°C (1,040°F). Because of this, it is the perfect material for uses like steam boiler superheaters and reheaters, where the steel must be able to endure high temperatures as well as corrosive environments. T11 tubes are also sought for their longevity and resistance to oxidation and creep in a variety of high-pressure applications.
To provide the required mechanical qualities, a mixture of alloying elements and heat treatment procedures are used in the production of T11 alloy steel tubes. Usually, the steel is cast into billets, which are subsequently hot-worked into tubular shape and given additional heat treatment to increase their tensile strength and durability. To make sure they satisfy the exacting specifications of industry standards, the tubes are frequently put through a rigorous testing process that includes dimensional inspections and mechanical property evaluations.
T11 tubes are widely used in industries where excellent performance and dependability in challenging circumstances are required. They are appropriate for critical applications where failure is not an option due of their resilience to mechanical stress and heat degradation. As a result, they are essential to maintaining the effectiveness and security of power processing and generation systems.
Tube Specification : ASTM A213 / ASME SA213
Size : 1/2" NB To 36" NB
Outside Diameter (OD) : 19.05mm – 114.3mm
Wall Thickness : 2.0mm – 14 mm
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / EFW / Cold Drawn / Annealed & Pickled / Hot Finished / Extruded / Structural
Form : Round Tubes
Length : Single Random, Double Random & Cut Length
End : Plain End, Beveled End, Threaded
End Protection : Plastic Caps
Finish : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Origin : Indian Origin, European Origin, Japanese Origin
Testing and Documents : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, Destructive Test Report, Non Destructive Test Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports
Packing : Packed in Wooden Boxes, Bubble wraps, Steel Strips Bundled, or as per Customers Requests
A Wide Range of ASTM A213 T11 Alloy Steel Tubes at Best Price.
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GRADE | UNS | TRADE NAME |
T11 | K11597 | 1 1/4 Chrome |
C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
0.15 max | 0.30-0.60 | 0.025 | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
415 min | 205 min | 30 min | 179 max |
Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
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