ASTM A213 Grade T91 Alloy Steel Seamless Tubes
ASTM A213 Grade T91 Alloy Steel Seamless Tubes, ASTM A213 T91 Seamless Tubing Manufacturer & Exporter
Citizen Metals is one of the renowned manufacturer, exporter, stockist, stock holder and supplier of a qualitative range of Alloy Steel ASTM A213 T91 Seamless Tubes that are being designed as per the national and international standard quality of raw materials. Hardness testing of Alloy Steel T91 Seamless Tubes shall be carried out at mid-thickness level of the product. Also the tension test, flattening test, hardness test, and flaring test of these ASTM A213 T91 Seamless Tubes shall be carried out to each tube. They are at length used in diverse application industries such as in Oil & Gas, Fertilizers, Heat-Exchangers, Power, Paper & Pulp, Chemicals, pharmaceuticals, Dairy, Water Treatment, and so on.
ASTM A213 Gr. T91 Seamless Tubes, ASTM A213 Steel Tubes, ASTM A213 T91 Steel Tubing Suppliers In India.
ASTM A213 Gr T91 Alloy Steel Tubes
ASTM A213 Gr T91 Alloy Steel Seamless Tubes
ASTM A213 T91 Alloy Steel Tubing
ASTM A213 T91 Steel Tubes
Meanwhile, to meet the quality conscious requirements for our highly esteemed clients, we provide these ASTM A213 T91 Alloy Steel Seamless Tubes in different sizes, grades and thickness as per customized requirements given by our customers.
ASTM A213 Grade T91 Alloy Steel Seamless Tubes Specification :
Dimensions : ASTM, ASME and API
Size Range : 1/2” OD up to 5” OD, customs diameters also available
Equivalent Standards : EN 10216-2, ASTM A335, GOST 550-75
Thickness : SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules, upto 12mm thk
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS, UPTO 4" WALL THICK
Material : T91, K90901
Outer Dimensions : 6-2500mm; WT:1-200mm
Type : Seamless
Form : Round, Square, Rectangular, Hydraulic Etc.
Length : Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
Tubing End : Plain End, Beveled End, Treaded
ASTM A / ASME SA 213 Standard Specification
| Grade | UNS # | Heater Tubes |
| T91 | K90901 | A213 / SA213 |
Chemical Composition
| Grade | C | Si | Mn | Cr | Mo | S | P | Ni | V | Al |
| T91 | 0.07 - 0.14 | 0.20 - 0.50 | 0.30 - 0.60 | 8.0 - 9.5 | 0.85 - 1.05 | 0.02 | 0.02 | 0.40 | 0.18 - 0.25 | 0.015 |
Mechanical Properties
| Grade | Tensile Strength (Mpa), Min. | Yield Strength (Mpa), Min. | Elongation, % | Hardness, HB |
| T91 | 585 min | 415 min | 20 min | 250 max |
Tolerance
| 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 |
Other Products of ASTM A213 Grade T91 Alloy Steel Seamless Pipes
• ASTM A213 T91 Seamless Tubes
• ASTM A213 Gr T91 Tubes
• ASTM A213 Grade T91 Alloy Steel Tubing
• Alloy Steel Gr. T91 Seamless Tubes
• A213 Grade T91 Steel Tubes
• ASTM A213 Alloy Steel Seamless Tubes
• A213 Grade T91 Alloy Steel Seamless Tubing
• Alloy Steel Gr. T91 Pipes
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