ASTM A213 T91 Alloy Steel Seamless Tube

ASTM A213 Grade T91 Alloy Steel Seamless Tubes, Alloy Steel Gr. T91 Seamless Tubes Manufacturer & Exporter.

Alloy Steel Grade T91 Seamless EN 10216-2 Tubes, GOST 550-75, K90901 Seamless Tubes Suppliers in India.

ASTM A335/ SA335 T91 Tubes & Pipes Suppliers, Manufacturer & Exporter in India.

ASTM A213 T91 Alloy Steel Seamless Tube

We are one of the leading Manufacturers, Supplier and Exporters of high quality ASTM A213 T91 Alloy Steel Seamless Tube,ASTM A335/ SA335 T91 Tubes & Pipes. These tubes are widely used in various application industry such as Oil & Gas, Power, Fertilizers, Heat-Exchangers, Paper & Pulp, pharmaceuticals, Chemicals, Water Treatment, Dairy etc. We are Offered at competitive prices for ASTM A213 Grade T91 Alloy Steel Seamless Tubes, ASTM A335/ SA335 T91 Tubes & Pipes in the Global market.

Specification :

Size (Seamless) : 6.35mm o.d to 101.60mm o.d
Standards : ASTM A213, ASME SA213
Equivalent Standards : EN 10216-2, ASTM A335, GOST 550-75
Material : T91, K90901
Equivalent Material : X10CrMoVNb9-1, 1.4903, P91, K91560
Type : Seamless
Specialized in : Large Diameter Size
Outer Dimensions : 6-2500mm; WT:1-200mm
Wall Thickness : Schedule 3mm to 15mm.
Length : max 1~12m
Schedule : STD, SCH40, SCH80
Form : Round, Square, Rectangular, Hydraulic Etc.
Length : Single Random, Double Random & Cut Length.
Tubing End : Plain End, Beveled End, Treaded.

ASTM A335/ Sa 335 T91 Tube Chemical Compositions :

 

C, % Mn, % P, % S, % Si, % Cr, % Mo, % V, % N, % Ni, % Al, % Nb, %
0.08-0.12 0.3-0.6 0.02 max 0.01 max 0.2-0.5 8.0-9.5 0.85-1.05 0.18-0.25 0.03-0.07 0.4 max 0.04 max 0.06-0.10

Mechanical Properties :

 

Tensile Strength , MPa Yield Strength, MPa Elongation, % Hardness, HB
585 min 415 min 20 min 250 max

Outside Diameter & Tolerance :

 

Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6<OD≤190.5 +0.4/-1.2
190.5<OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD<25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1<OD<50.8 ±0.20
50.8≤OD<63.5 ±0.25
63.5≤OD<76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6<OD≤190.5 +0.38/-0.64
190.5<OD≤228.6 +0.38/-1.14

Wall thickness & Tolerance :

 

Hot rolled Outside Diameter, mm Tolerance, %
OD≤101.6, WT≤2.4 +40/-0
OD≤101.6, 2.4<WT≤3.8 +35/-0
OD≤101.6, 3.8<WT≤4.6 +33/-0
OD≤101.6, WT>4.6 +28/-0
OD>101.6, 2.4<WT≤3.8 +35/-0
OD>101.6, 3.8<WT≤4.6 +33/-0
OD>101.6, WT>4.6 +28/-0
Cold Drawn Outside Diameter, mm Tolerance, %
OD≤38.1 +20/-0
OD>38.1 +22/-0

Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max length: 16000mm, also U bending can be offered.

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