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ASTM A335 P91 Seamless Pipe in Indonesia

Manufacturer of ASME SA335 Grade P91 Alloy Steel Pipe and ASTM A335 P91 Pipe in India

ASTM A335 P91 Seamless Pipe is crafted from a robust chromium molybdenum alloy known for its exceptional heat and corrosion resistance, as well as its strength. This range offers both type 1 and type 2 options. Piping Material stands out as a top producer and provider of various dimensions and types of ASME SA335 Grade P91 Alloy Steel Pipe.

Check ASTM A335 Gr P91 Welded Pipe made from A335 P91 Material at a reasonable price

The ASTM A335 P91 Seamless Pipe can be normalized for strength using heat treatment. With 9% chromium and 1% molybdenum, the pipes are strong and corrosion-resistant, resistant to wear and high temperatures. They have decreased thickness and higher creep strength, making them ideal for power generation, petrochemicals, heaters, boilers, and oil services.


ASTM A335 P91 Seamless Pipe The A335 P91 Material comprises various elements such as carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, vanadium, nitrogen, nickel, aluminum, columbium, titanium, and zirconium. It comes in seamless and welded variations. Seamless pipes are drawn from a single billet, whereas ASTM A335 Gr P91 Welded Pipe is welded from a strip or sheet, with options for spiral or longitudinal welding. These pipes boast a minimum yield strength of 415MPa and a minimum tensile strength of 585MPa. For more information on the Alloy Steel P91 ERW Pipe and pricing, do not hesitate to get in touch with us.

ASME SA335 Grade P91 Alloy Steel Pipe Specification Format

Size in Inch 1/8NB TO 24NB inch
ASTM Standards ASTM A 335, and ASME SA 335
Type Seamless Pipes
Specialized in Size Large Diameter Size
Outer Dimensions Chart 19.05milimeter – 114.3milimeter
Wall Thickness Chart 2.0milimeter – 14 milimeter
Length in milimeter max 16000milimeter
Schedule Chart Schedule 20 - XXS up to 250 milimeter thk.
Pipe Form Round, Rectangular, Square, Hydraulic Etc.
Length Single, Double Random & Cut to Length.
Pipes & Tube End Plain, Beveled, Treaded.

Wide Range of Shapes Available for Alloy Steel P91 ERW Pipe, Alloy Steel Gr.P91 Square Pipes, and P91 AS Hexagonal Pipe - Accepting All Small and Large Orders

Heat Treatment Chart of ASTM A335 P91 Pipe

P5, P9, P11, and P22
Grade Chet Heat Treatment Type Normalize Temp Range F [C] Annealing and Tempering Temp Range F [C]
P5 (b,c) Isothermal or Full Anneal
Temper and Normalize * 1250 [675]
Subcritical Anneal (P5c only) * 1325 - 1375 [715 - 745]
P9 Isothermal or Full Anneal
Temper and Normalize * 1250 [675]
P11 Isothermal or Full Anneal
Temper and Normalize * 1200 [650]
P22 Isothermal or Full Anneal
Temper and Normalize * 1250 [675]
P91 Temper and Normalize 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
Temper and Quench 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]

Tesile Chart of A335 P91 Material

Seamless Pipe
P5 P9 P11 P22 P91
Tensile Strength, minimum., psi
ksi 60 60 60 60 85
MPa 415 415 415 415 585
Yield Strength, minimum., psi
ksi 30 30 30 30 60
MPa 205 205 205 205 415

Chemical Properties of ASTM A335 Gr P91 Welded Pipe

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 And Physical Properties of Alloy Steel P91 ERW Pipe

Tensile Strength , MPa A335 P91 Yield Strength, MPa Elongation, % A335 P91 Hardness, HB
585 min 415 min 20 min 250 max

List Of Alloy Steel Gr.P91 Square Pipes Types

ASTM A335 P91 High Alloy Seamless Steel Pipe

ASTM A335 P91 High Alloy Seamless Steel Pipes

astm a335 p91 hollow structral seamless steel pipes

astm a335 p91 hollow structral seamless steel pipes

ASTM A335 P91 Welded Pipe, Size: 1/2 Inch, 3/4 Inch, 1 Inch

ASTM A335 P91 Welded Pipes, Size: 1/2 Inch, 3/4 Inch, 1 Inch

Black ASTM A335 P91 Alloy Pipe,  3 Mm

Black ASTM A335 P91 Alloy Pipes, 3 Mm

3m, 6m Round Alloy Steel ASTM A335 P91 Pipes

3m, 6m Round Alloy Steel ASTM A335 P91 Pipes

1/2 inch P11 Alloy Steel Seamless Pipe

1/2 inch P11 Alloy Steel Seamless Pipes

Round ASTM A335 P91 UNS K91560 Alloy Steel ERW Pipe

Round ASTM A335 P91 UNS K91560 Alloy Steel ERW Pipes

1/2inch Alloy Steel ASTM A335 P91 Seamless Steel Pipes

1/2inch Alloy Steel ASTM A335 P91 Seamless Steel Pipes

2 inch Black P11 Alloy Steel Seamless Pipe

2 inch Black P11 Alloy Steel Seamless Pipes

a355 p91 alloy 12 inch seamless steel pipe

a355 p91 alloy 12 inch seamless steel pipes

ASTM a355 p91 pipe 1/2inch to 24 inch SCh 40 SCH 80 SCH 120

ASTM a355 p91 pipes 1/2inch to 24 inch SCh 40 SCH 80 SCH 120

1.5mm Thick A335 P91 Material

1.5mm Thick A335 P91 Material

Equivalent Of P91 AS Hexagonal Pipe

ASTM ASME A335 Gr P91 Equivalent Material JIS UNS
A335 P91 SA335 P91 T91, K90901, X10CrMoVNb9-1, 1.4903 G 3458 K91560
ASTM International BSi - British Standards institute Material
ASTM A335 Gr. P5 Pipe 3604/625 5% Cr 1/2% Mo
ASTM A335 Gr. P9 Pipe 3604/629 9% Cr 1% Mo
ASTM A335 Gr. P11 Pipe 3604/621 1 1/4% Cr 1/2% Mo
ASTM A335 Gr. P12 Pipe 3604/620 1% Cr 1/2% Mo
ASTM A335 Gr. P22 Pipe 3604/622 2 1/4% Cr 1% No

Alloy Steel Grade P91 Pipe Size In Inch

O.D. x Thickness(mm) O.D x Thickness(mm) O.D x Thickness(mm)
38.1 x 3.2 57.0 x 4.9 76.2 x 4.0
38.1 x 4.0 57.0 x 6.3 76.2 x 5.0
38.1 x 6.3 57.0 x 7.9 76.2 x 6.3
42.4 x 3.2 60.3 x 3.2 82.5 x 4.5
42.4 x 4.0 60.3 x 3.6 88.9 x 3.2
44.5 x 3.2 60.3 x 5.0 88.9 x 3.6
44.5 x 6.3 63.5 x 3.2 88.9 x 4.0
48.3 x 3.2 63.5 x 3.6 101.6 x 3.6
48.3 x 3.6 63.5 x 4.0 101.6 x 4.5
50.8 x 4.5 63.5 x 6.3 101.6 x 6.3
51.0 x 3.2 63.5 x 7.9 114.3 x 3.6
51.0 x 3.6 70.0 x 3.2 114.3 x 5.0
51.0 x 6.3 70.0 x 3.6 139.7 x 4.0
57.0 x 3.2 70.0 x 6.3 139.7 x 5.0
57.0 x 3.6 76.2 x 3.6 139.7 x 6.3
Check for Sale: Alloy Steel Grade P91 EFW Pipes with a Bush Hex Pipe Thickness of 9.0mm

thickness of Alloy Steel P91 EFW Pipes

NPS [DN] Designator Tolerance, % from Specified
Over Under
1/8 to 2 1/2 [6 to 65] incl., all t/D ratios 20.0% 12.5%
Above 2 1/2 [65], t/D < or = 5% 22.5% 12.5%
Above 2 1/2 [65], t/D > 5% 15.0% 12.5%
(t = Specified Wall Thickness; D = Specified Outside Diameter)

ASTM A335 Alloy Steel P91 Rectangular Pipes Price per kg

Size MSL Make ISMT make JSL Make
1/2" 4,265.71 4,253.35 4,27.06
3/4" 4,04.12 4,036.76 4,051.47
1" 3,897.06 3,889.71 3,904.41
1.25" 3,852.94 3,845.59 3,860.29
1.5" 3,750.00 3,742.65 3,757.35