Alloy Steel ASTM A335, Gr. T91 Welded Pipes
VISHAL STEEL INDIA is a leading worldwide supplier & exporter for ASTM A335, Gr. T91 Chrome Alloy Welded Pipe, ASTM A691, Gr. T91 Welded Pipe, ASTM A213, Gr. T91 Heater Tubes, ASTM A234, Gr. T91 Buttweld Fittings, ASTM A182, Gr. T91 Flanges and ASTM A182, Gr. T91 Forged Fittings.
Alloy Steel ASTM A335, Gr. T91 Welded Pipes Specification :
ASTM A355 Alloy T91 Pipe Size (Welded) |
6.35mm o.d to 101.60mm o.d |
ASTM A355 Alloy T91 Pipe Standards |
ASTM A213, ASME SA213 |
ASTM A355 Alloy T91 Outer Dimensions |
6-2500mm; WT:1-200mm |
ASTM A355 Alloy T91 Wall Thickness |
Schedule 3mm to 15mm |
ASTM A355 Alloy T91 Pipe Length |
max 1~12m |
ASTM A355 Alloy T91 Schedule |
SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
ASTM A355 Alloy T91 Length |
Single Random, Double Random & Cut Length |
ASTM A355 Alloy T91 Tubing End |
Plain End, Beveled End, Treaded |
Alloy Steel ASTM A335, Gr. T91 Welded Pipes Chemical Composition :
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 |
Alloy Steel ASTM A335, Gr. T91 Welded Pipes Mechanical Properties :
Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB |
585 min |
415 min |
20 min |
250 max |
Alloy Steel ASTM A335, Gr. T91 Welded Pipes 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 |
Alloy Steel ASTM A335, Gr. T91 Welded Pipes Outside 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; 6250mm; 6096mm; 7315mm; 11800mm; 12000mm; and so on.
Max Length : 16250mm, also U bending can be offered.
Contact Us for Alloy Steel ASTM A335, Gr. T91 Welded Pipes Pricing export@vishalsteelind.com