ASTM A213 Alloy Steel T91 Welded Tubes

ASTM A213 Gr. T91 Alloy Steel Seamless Tubes, Alloy Steel T5 Seamless Tubes Manufacturer, Exporter & Suppliers.

Alloy Steel Grade T91 Seamless EN 10216-2 Tubes, GOST 550-75, K11547 Seamless Tubes Suppliers in India.

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ASTM A213 T91 Alloy Steel Seamless Tube Suppliers, Exporter, Manufacturer & Stockiest in India.

Specification Of ASTM A213 T91 Alloy Steel Seamless Tube:

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 : T91
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 A213 T91 Alloy Steel Seamless 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

ASTM A213 T91 Alloy Steel Seamless Tube Mechanical Properties :

Tensile Strength , MPa Yield Strength, MPa Elongation, % Hardness, HB
415 min 205 min 30 min 163 max

ASTM A213 T91 Alloy Steel Seamless Tube 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

ASTM A213 T91 Alloy Steel Seamless Tube 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

ASTM A213 T91 Alloy Steel Seamless Tube Types:

•   Alloy Steel T91 Seamless Pipes & Tubes
•   Alloy Steel T91 Welded Pipes & Tubes
•   Alloy Steel T91 Erw Pipes & Tubes
•   Alloy Steel T91 Efw Pipes & Tubes
•   Alloy Steel T91 Fabricated Pipes & Tubes
•   Alloy Steel T91 Square Pipes & Tubes
•   Alloy Steel T91 Rectangular Pipes & Tubes
•   Alloy Steel T91 Round Pipes & Tubes
•   Alloy Steel T91 High-Pressure Pipes & Tubes