ASTM A213 T91 Alloy Steel Seamless Tubes


AS Grade T91 High Pressure Seamless Tubing, AS ASTM A213 T91 Seamlees Tubing Supplier in India.

As an acclaimed enterprise of the industry, Reliable Pipes & Tubes is involved in offering a vast array of ASTM A213 T91 Alloy Seamless Tubes as a manufacturer, exporter, stockiest and supplier to our domestic and global clients. ASTM A213 T91 Alloy Tubes are being found its usage in areas like steel structure building, in low-pressure fluid service and others.

ASTM A213 Grade T91 AS Seamless Tubes Stockholder, Alloy Steel Grade T91 Seamless Tubes Dealers, ASTM A3213 T91 Square Tubes Leading Manufacturers.

ASTM A213 T91 Alloy Steel Seamless Tubes Alloy Steel Grade T91 Seamless Tubes

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