ASTM A335 P9 Pipe

ASTM A335 P9 Pipe

ASTM A335 P9 Pipe are widely used in various industrial applications due to their high resistance to corrosion and heat. A335 P9 seamless pipe is a chrome-moly alloy steel pipe designed to withstand high temperatures and pressures in various industrial applications. It is commonly used in power plants, refineries, and petrochemical plants due to its strength and durability. Two types of ASTM A335 P9 Seamless Pipe are hot-rolled and cold-drawn. Hot-rolled pipes are made by rolling a heated metal through a pair of rollers, while cold-drawn pipes are made by drawing a metal through a die to achieve the desired shape and size.


SA P9 Square Pipe is widely used in various industrial applications due to its strength and durability. It is commonly used in power plants, refineries, and petrochemical plants to transport high-temperature and high-pressure fluids and gasses. It is also used to construct boilers, heat exchangers, and piping systems in various industries, including chemical, oil and gas, and energy. The high resistance of A P9 seamless pipe to corrosion and heat makes it ideal for use in harsh environments where other piping systems may be prone to failure.

ASTM A335 P9 seamless pipe offers several benefits over other piping systems. First and foremost, it is incredibly durable and can withstand high temperatures and pressures without deforming or cracking. That makes it ideal for use in various industrial applications where failure is not an option. Second, it is highly resistant to corrosion, which means it can be used in harsh environments without being affected by chemicals or other corrosive substances. Finally, ASTM A335 P9 seamless pipe is easy to install and maintain, reducing downtime and maintenance costs.


ASME SA P9 Round pipe offers several advantages over other piping systems. Firstly, it has a long service life due to its exceptional strength and durability, which results in lower maintenance costs over time. Secondly, it is highly resistant to corrosion and heat, which means it can be used in various industrial applications without being affected by harsh environments. Finally, ASME SA P9 seamless pipe is cost-effective, requiring minimal to no maintenance over time, reducing operational and repair costs in the long run.
Some key features of ASTM A335 pipe include high-temperature resistance, corrosion resistance, strength, and durability. They are also available in various sizes and shapes, making them suitable for various industrial applications. Additionally, they can be customized to suit specific needs and requirements, ensuring that they get a seamless pipe that meets their unique needs.


SA P9 Square Pipes are incredibly durable and offer exceptional resistance to high temperatures, pressures, and corrosion. They are widely used in various industrial applications due to their strength, durability, and ease of installation.



Top notch ASME SA 335 grade P9 seamless pipe supplier in India

ASME SA335 P9 pipe

ASME SA335 P9 pipe

ASTM A335 Grade P9 Pipe

ASTM A335 Grade P9 Pipe

A335 P9 material

A335 P9 material

ASTM A335 P9 Pipe specification

ASTM A335 P9 Pipe Sizes Schedule Standard

OD: 0.5" - 24"
WT: 6mm-30mm
  • SCH 5 to SCH XXS
 ASTM A335 / ASME SA335
Ends Type Form
  • Beveled
  • Plain
  • Straight cut
  • Seamless
  • Welded
  • ERW
  • Round
  • Rectangular
  • Square
Origin Packaging Testing Provided By Supplier
  • Korean
  • US
  • Ukraine
  • Japanese
  • European
  • Indian
  • Russian
  • Loose
  • Wooden Pallet
  • Bundle
  • Plastic Cloth Wraps
  • Wooden box-a
  • NACE TM0177
  • H2 SERVICE
  • NACE TM0284
  • IBR
  • NACE MR0175
  • SSC TEST
  • HIC TEST
Payment terms Surface Length
  • L/C
  • T/T
  • Black painting
  • 3PE
  • FBE
  • PP
  • Single Random
  • Double Random
  • Cut length
Delivery Conditions Value Added Services International standards
  • Cold Drawn
  • Hot Rolled
  • Normalized and Tempered
  • Normalizing Rolled
  • Quenched and Tempered
  • Normalizing Formed
  • Draw
  • Machining
  • Galavanizing
  • Expansion
  • Shot Blasting
  • Heat Treatment
  • Sand Blasting
  • BS - UNI
  • ASTM/ASME
  • GOST
  • EN
  • DIN -NF A
  • JIS
  • ISO
  • GB 5310
Cutting techniques Coating Marking on A335 P5 pipe
  • Burrless Cuts
  • Tapping
  • Sawing
  • Water-Jet
  • 3LPE
  • FBE
  • Galvanized
  • CRA
  • Varnished
  • Length
  • OD name
  • Grade
  • Thickness
  • Heat No.
  • Standard
  • Manufacturer/Supplier

A335 Grade P9 efw pipe are generally not affected by atmospheric moisture, View dimensions of UNS S50400 cold rolled pipe

ASME SA 335 grade P9 seamless pipe dimensions

NPS WT (IN) ID (IN) OD (IN) WEIGHT (LB/FT)
1/8 0.068" 0.269" 0.405" 0.24
1/4 0.088" 0.364" 0.540" 0.42
3/8 0.091" 0.493" 0.675" 0.57
1/2 0.109" 0.622" 0.840" 0.85
3/4 0.113" 0.824" 1.050" 1.13
1 0.133" 1.049" 1.315" 1.68
1-1/4 0.140" 1.380" 1.660" 2.27
1-1/2 0.145" 1.610" 1.900" 2.72
2 0.154" 2.067" 2.375" 3.65
2-1/2 0.203" 2.469" 2.875" 5.79
3 0.216" 3.068" 3.500" 7.58
3-1/2 0.226" 3.548" 4.000" 9.11
4 0.237" 4.026" 4.500" 10.79
5 0.258" 5.047" 5.563" 14.62
6 0.280" 6.065" 6.625" 18.97
8 0.322" 7.981" 8.625" 28.55
10 0.365" 10.020" 10.750" 40.48
12 0.406" 11.938" 12.75" 53.52
14 0.438" 13.124" 14.000" 63.50
16 0.500" 15.000" 16.000" 82.77
18 0.562" 16.876" 18.000" 104.70
20 0.594" 18.812" 20.000" 123.10
24 0.688" 22.624" 24.000" 171.30

Refer latest price list of A335 grade P9 hot rolled pipe, we are leading exporter of Alloy Steel P9 erw pipe

Price list of SA335 P9 pipe

Price list of A335 grade P9 pipe ASME SA335 P9 Pipe Price in India (INR) A335 grade P9 Pipe Price in USD SA335 grade P9 Pipes Price in UAE Dirham
ASTM A335 Grade.P9 OD60.3MM XWTXXS INR 125 per kg US $1.50 per kg 5.51 UAE Dirham per kg
ASME SA335 grade P9 OD219.1MM XWT INR 216 per kg US $2.59 per kg 9.53 UAE Dirham per kg

Types of ASME SA335 grade P9 Pipe

A335 Grade P9 EFW pipe

A335 Grade P9 EFW pipe

UNS S50400 cold rolled pipe

UNS S50400 cold rolled pipe

A335 grade P9 hot rolled pipe

A335 grade P9 hot rolled pipe

SA 335 grade P9 seamless pipe

SA 335 grade P9 seamless pipe

Alloy Steel P9 erw pipe

Alloy Steel P9 erw pipe

ASTM A335 Grade P9 welded pipe

ASTM A335 Grade P9 welded pipe

Chrome Moly P9 round pipe

Chrome Moly P9 round pipe

ASME SA335 P9 hot finished pipe

ASME SA335 P9 hot finished pipe

A335 grade P9 high temperature pipes

A335 grade P9 high temperature pipes

ASTM A335 P9 Pipe chemical composition

C % S % Mn % Mo % P % Cr % Si %
0.015 max 0.025 max 0.30-0.60 0.45-0.65 0.025 max 4.00-6.00 0.50 max

A335 grade P9 mechanical properties

Tensile Strength, MPa Yield Strength, MPa Elongation, %
415 min 205 min 30 min

A335 P9 equivalent

ASTM UNS JIS G 3458 ASME ISO DIN
A335 P9 S50400 STPA 26 SA335 P9 2604 II TS38 3604 P1 629-470

Outside diameter tolerance of Chrome Moly P9 round pipe

NPS Designator Over Under
in. mm in. mm
1⁄8 to 1 1⁄2 , incl. 1 ⁄ 64 (0.015) 0.40 1 ⁄ 64 (0.015) 0.40
Over 1 1⁄2 to 4, incl. 1 ⁄ 32 (0.031) 0.79 1 ⁄ 32 (0.031) 0.79
Over 4 to 8, incl. 1 ⁄ 16 (0.062) 1.59 1 ⁄ 32 (0.031) 0.79
Over 8 to 12, incl. 3 ⁄ 32 (0.093) 2.38 1 ⁄ 32 (0.031) 0.79
Over 12 ± 1 %
We keep ready stock of ASTM A335 Grade P9 welded pipe in wide range of sizes, Check pressure rating and thickness of Chrome Moly P9 round pipe

Schedule chart of A335 grade P9 hot rolled pipe

Pipe Size ID OD Wall Schedules LBS per Ft
1/8" .307 .405 .049 10, 10S .1863
.269 .068 40, STD, 40S .2447
.215 .095 80, XS, 80S .3145
1/4" .410 .540 .065 10, 10S .3297
.364 .088 40, STD, 40S .4248
.302 .119 80, XS, 80S .5351
3/8" .545 .675 .065 10, 10S .4235
.493 .091 40, STD, 40S .5676
.423 .126 80, XS, 80S .7388
1/2" .674 .840 .083 10, 10S .6710
.622 .109 40, STD, 40S .8510
.546 .147 80, XS, 80S 1.088
.466 .187 160 1.304
.252 .294 XX 1.714
3/4" .884 1.050 .083 10, 10S .8572
.824 .113 40, STD, 40S 1.131
.742 .154 80, XS, 80S 1.474
.614 .218 160 1.937
.434 .308 XX 2.441
1" 1.097 1.315 .109 10, 10S 1.404
1.049 .133 40, STD, 40S 1.679
.957 .179 80, XS, 80S 2.172
.815 .250 160 2.844
.599 .358 XX 3.659
1 1/4" 1.442 1.660 .109 10, 10S 1.806
1.380 .140 40, STD, 40S 2.273
1.278 .191 80, XS, 80S 2.997
1.160 .250 160 3.765
.896 .382 XX 5.214
1 1/2" 1.682 1.900 .109 10, 10S 2.085
1.610 .145 40, STD, 40S 2.718
1.500 .200 80, XS, 80S 3.631
1.337 .281 160 4.859
1.100 .400 XX 6.408
2" 2.157 2.375 .109 10, 10S 2.638
2.067 .154 40, STD, 40S 3.853
1.939 .218 80, XS, 80S 5.022
1.687 .344 160 7.462
1.503 .436 XX 9.029
2 1/2" 2.635 2.875 .120 10, 10S 3.531
2.469 .203 40, STD, 40S 5.793
2.323 .276 80, XS, 80S 7.651
2.125 .375 160 10.01
1.771 .552 XX 13.70
3" 3.260 3.500 .120 10, 10S 4.332
3.068 .216 40, STD, 40S 7.576
2.900 .300 80, XS, 80S 10.25
2.624 .438 160 14.32
2.300 .600 XX 18.58
3 1/2" 3.760 4.000 .120 10, 10S 4.937
3.548 .226 40, STD, 40S 9.109
3.364 .318 80, XS, 80S 12.51
2.728 .636 XX 22.85
4" 4.260 4.500 .120 10, 10S 5.613
4.026 .237 40, STD, 40S 10.790
3.826 .337 80, XS, 80S 14.98
3.624 .438 120 19
3.438 .531 160 22.51
3.152 .674 XX 27.54
4 1/2" 4.506 5.000 .247 STD, 40S 12.54
4.290 .355 XS, 80S 17.61
5" 5.295 5.563 .134 10, 10S 7.770
5.047 .258 40, STD, 40S 14.62
4.813 .375 80, XS, 80S 20.78
4.563 .500 120 27.04
4.313 .625 160 32.96
4.063 .750 XX 38.55
6" 6.357 6.625 .134 10, 10S 9.290
6.065 .280 40, STD, 40S 18.97
5.761 .432 80, XS, 80S 28.57
5.501 .562 120 35.39
5.189 .719 160 43.35
4.897 .864 XX 53.16
8" 8.329 8.625 .148 10, 10S 13.40
8.125 .250 20 22.36
8.071 .277 30 24.70
7.981 .322 40, STD, 40S 28.55
7.813 .406 60 35.64
7.625 .500 80, XS, 80S 43.39
7.439 .594 100 50.95
7.189 .719 120 61.71
7.001 .812 140 67.76
6.813 .906 160 74.79
6.875 .875 XX 72.42
10" 10.420 10.750 .165 10, 10S 18.65
10.250 .250 20 28.04
10.136 .307 30 34.24
10.020 .365 40, STD, 40S 40.48
9.750 .500 60, XS, 80S 54.74
9.564 .594 80 64.43
9.314 .719 100 77.03
9.064 .844 120 82.29
8.750 1.000 140, XX 104.1
8.500 1.125 160 115.6
12" 12.390 12.750 .180 10, 10S 24.16
12.250 .250 20 33.38
12.090 .330 30 43.77
12.000 .375 STD, 40S 49.56
11.938 .406 40 53.52
11.750 .500 XS, 80S 65.42
11.626 .562 60 73.15
11.376 .688 80 88.63
11.064 .844 100 107.9
10.750 1.000 120, XX 125.5
10.500 1.125 140 136.7
10.126 1.312 160 150.3
14" 13.624 14.000 .188 10S 27.73
13.500 .250 10 36.71
13.375 .312 20 45.61
13.250 .375 30, STD, 40S 54.57
13.124 .438 40 63.44
13.000 .500 XS, 80S 72.09
12.814 .594 60 85.05
12.500 .750 80 106.1
12.124 .938 100 130.9
11.814 1.09 120 150.8
11.500 1.250 140 170.2
11.188 1.406 160 189.1
16" 15.624 16.000 .188 10S 31.75
15.500 .250 10 42.05
15.375 .312 20 52.27
15.250 .375 30, STD, 40S 62.58
15.000 .500 40, XS, 80S 82.77
14.688 .656 60 107.5
14.314 .844 80 136.6
13.938 1.031 100 164.8
13.564 1.22 120 192.4
13.124 1.438 140 223.6
12.814 1.594 160 245.3
18" 17.624 18.000 .188 10S 35.76
17.500 .250 10 47.99
17.375 .312 20 58.94
17.250 .375 STD, 40S 70.59
17.124 .438 30 82.15
17.000 .500 XS, 80S 93.45
16.876 .562 40 104.7
16.500 .750 60 138.2
16.126 .938 80 170.9
15.688 1.156 100 208.0
15.250 1.38 120 244.10
14.876 1.562 140 274.20
14.438 1.781 160 308.5
20" 19.564 20.000 .218 10S 48.05
19.500 .250 10 52.73
19.250 .375 20, STD, 40S 78.6
19.000 .500 30, XS, 80S 104.10
18.812 .594 40 123.10
18.376 .812 60 155.40
17.938 1.031 80 208.90
17.438 1.281 100 256.10
17.000 1.500 120 296.40
16.500 1.750 140 341.10
16.064 1.969 160 379.20
24" 23.500 24.000 .250 10, 10S 63.41
23.250 .375 20, STD, 40S 96.42
23.000 .500 XS, 80S 125.50
22.876 .562 30 140.70
22.626 .688 40 171.30
22.064 .969 60 238.40
21.564 1.219 80 296.80
20.938 1.531 100 357.40
20.376 1.812 120 429.40
19.876 2.062 140 483.10
19.314 2.344 160 542.10

Heat Treatment of UNS S50400 cold rolled pipe

Heat Treatment 1250°F [675°C]

ASTM A335 Grade P9 welded pipe elongation requirement

Elongation in 2 in. or 50 mm, min %
Wall Thickness P9
in. mm Longitudinal Transverse
5/16 (0.312) 8 30 20
9/32 (0.281) 7.2 28 19
1/4 (0.250) 6.4 27 18
7/32 (0.219) 5.6 26
3/16 (0.188) 4.8 24
5/32 (0.156) 4 22
7/8 (0.125) 3.2 21
3/32 (0.094) 2.4 20
1/18 (0.062) 1.6 18
We provide test certificates of SA335 P9 pipe, We are supplier of A335 P9 material in Mumbai

Testing and inspection of ASME SA335 P9 hot finished pipe

  • Transverse or Longitudinal Tension Test
  • Hardness Test
  • Bend Test
  • Hydrostatic test as per ASTM A530
  • Non destructive test
  • Flattening Test
  • PMI Test

Melting point and Specific heat capacity of Alloy Steel P9 erw pipe

Specific heat capacity 448 - 502 J/(kg·K)
Melting point 1382 - 1529 °C

A335 P9 hardness

Hardness ≤ 163HB

Tempering Temperature Range of ASME SA335 P9 pipe

Tempering Temperature Range 1250 F [675 C]

ASTM A335 P9 Pipe Application

  • Petrochemicals
  • Pulp & Paper Industry
  • Pharmaceuticals
  • Oil and Gas Industry
  • Research & Development
  • Gas Processing
  • Specialty Chemicals

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