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stainless steel alloy The distinct chemical composition and physical characteristics of T12 tubes make them a specialist tubing type employed in a variety of industrial applications. ASTM A213 T12, also referred to as T12 alloy steel or T12 steel, is a type of steel that is perfect for usage in harsh settings since it can tolerate high temperatures and pressures. A mixture of chromium, molybdenum, and other alloying elements is commonly found in T12 alloy steel. About 0.12% carbon, 0.90–1.20% chromium, and 0.44-0.65% molybdenum make up the typical composition. The material gains a number of important qualities from its composition, including great strength, remarkable resistance to oxidation and corrosion, and good thermal stability.
The main applications for T12 alloy steel tubes are those that involve high temperatures. They are frequently found in the chemical processing, petrochemical, and power generation sectors. T12 tubes are specifically used in superheaters, heat exchangers, and boiler systems, where they are subjected to high pressures and temperatures. Their superior selection for these demanding applications stems from their capacity to preserve structural integrity in such circumstances.
The ASTM A213/A213M standards, which outline the specifications for seamless boiler, superheater, and heat-exchanger tubes made of ferritic and austenitic alloy steel, are generally followed in the production of T12 tubes. High temperatures are applied to the alloy steel throughout the manufacturing process, and then the tubes are formed by rolling or extrusion. After that, in order to make sure the tubes fulfill the necessary standards, they undergo a variety of tests, such as non-destructive testing, mechanical property assessments, and dimensional inspections.
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 T12 Alloy Steel Tubes at Best Price.
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GRADE | UNS | TRADE NAME |
T12 | K11562 | - |
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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