Description
AS Grade T91 High Pressure Seamless Tubing, AS ASTM A213 T91 Seamlees Tubing Supplier in India.
ASTM A213 Grade T91 AS Seamless Tubes Stockholder, Alloy Steel Grade T91 Seamless Tubes Dealers, ASTM A3213 T91 Square Tubes Leading Manufacturers.
T91 Alloy Steel Seamless Tubes, Alloy Steel ASTM A213 UNS K90901 Seamless Tubes, A213 T91 Seamless Tubes, AS Gr T91 Rectangular Tubes Manufacturer, Stockist, Suppliers and Exporter
Our offered tubes comprise quality finish based round tubes and are suitable to be used for low pressure liquid delivery. They are also used for low and middle pressure fluid pipeline, petroleum and natural gas industry, drilling, shipbuilding, and more. With respect to national and international quality of raw materials, we also offer these tubes in customized sizes and thicknesses as per specific demands by our esteemed clients at market leading prices.
ASTM A213 Grade T91 Alloy Steel Seamless Tube Specification
Dimensions : ASTM, ASME and API
Standard : ASTM A 213 / ASME SA 213
Size : 6.35mm o.d to 101.60mm o.d
Range : 1/2” OD up to 5” OD, customs diameters also available
Schedule : SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules, upto 12mm thk
Type : Seamless
End : Plain End, Beveled End, Treaded
Form : Round, Square, Rectangular, Hydraulic Etc
Length : Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
Alloy Steel Grade T91 Seamless Tubing Chemical Composition
| Element | Alloy Steel T91 |
| C | 0.07 – 0.14 |
| Cr | 8.0 – 9.5 |
| Mn | 0.30 – 0.60 |
| Mo | 0.85 – 1.05 |
| P | 0.02 |
| S | 0.02 |
| Si | 0.20 – 0.50 |
| V | 0.18 – 0.25 |
| Ni | 0.18 – 0.25x |
| Al | 0.015 |
ASTM A213 T91 Seamless Tubes Mechanical Properties
| Element | Alloy Steel T91 |
| Tensile Strength | 585 min |
| Yield Strength | 415 min |
| Hardness, HB | 250 max |
| Elongation % | 20 min |
A213 Gr T91 Alloy Steel Seamless Tubes 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 |
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