ASTM A335 P9 pipe

ASTM A335 P9 pipe manufacturer in India
ISO Certified Manufacturer

A335 P9 Pipe is a chromium-molybdenum alloy steel pipe designed for high-temperature and high-pressure service. It is commonly specified for applications where elevated-temperature strength, resistance to oxidation, and reliable performance under demanding operating conditions are important.

Spark Steel supplies alloy steel piping solutions for industrial applications and can assist buyers in selecting A335 P9 Pipe according to the required dimensions, manufacturing condition, applicable standards, and service requirements.

ASTM A335 is the pipe specification, while P9 is the grade designation. The correct material selection should always be based on the applicable design code, operating temperature, pressure, fluid, corrosion conditions, and project specifications.

20+
Years of Experience
50+
Grades in Stock
1/8"–2–4"
Size Range
100%
Quality Tested

Specification of P9 pipe

Specification of P9 pipe

SPECIFICATIONDETAILS
Diameter19.05 - 114.3 mm
Sizes1/8 to 24 inch
EdgesMill Edge, Slit Edge
ShapesRound, Coil, Hydraulic, Precision, Square, Rectangle, Hex
ToleranceCold rolled : +/-0.05 mm, Cold drawn : +/-0.1 mm
Manufacturing TypesERW, Seamless, Welded, EFW
TypesSeamless, DSAW, LSAW
StandardA335 p9
ScheduleSCH 10 - SCH 160
ASTM A335 P9 pipe
SA 335 Gr P9 seamless pipe
A335 Gr P9 ERW pipe
SA335 P9 hot finished seamless pipe
ASTM A335 Grade P9 welded pipe
SA 335 P9 Cold drawn pipe

Price list of SA 335 Gr P9 seamless pipe

Price list of SA 335 Gr P9 seamless pipe

Description Price in USD Price in Kilogram (INR)
Astm A335 P9 Pipes, Size: 3 inches $ 2.69 ₹ 231
ASTM A335 P9 round Pipe, Wall Thickness: 1 mm, Nominal Size: 4 inch $ 1.48 ₹ 127

ASTM A335 Grade P9 welded pipe application

  • Construction
  • Textile Machinery
  • Power Plants sector
  • Oil and Gas Processing
  • Pulp and Paper sector

ASTM A335 P9 chemical composition

ASTM A335 P9 chemical composition

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

A335 Gr P9 ERW pipe mechanical properties

A335 Gr P9 ERW pipe mechanical properties

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

A335 P9 equivalent

A335 P9 equivalent

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

Dimensions of SA335 P9 Hot Finished seamless pipe

Dimensions of SA335 P9 Hot Finished seamless pipe

Nominal Pipes Size in inches Min. Wall Nominal wt./ft. O.D. Average I.D. Maximum W.P PSI
1-1/2 .145 .537 1.900 1.590 330
2 .154 .720 2.375 2.047 280
2-1/2 .203 1.136 2.875 2.445 300
3 .216 1.488 3.500 3.042 260
3-1/2 .226 1.789 4.000 3.521 240
4 .237 2.188 4.500 3.998 220
1/8 .068 .051 .405 .249 810
1/4 .088 .086 .540 .344 780
3/8 .091 .115 .675 .473 620
1/2 .109 .170 .840 .602 600
3/4 .113 .226 1.050 .804 480
1 .133 .333 1.315 1.029 450
1-1/4 .140 .450 1.660 1.360 370
5 .258 2.874 5.563 5.016 190
6 .280 3.733 6.625 6.031 180
8 .322 5.619 8.625 7.942 160
10 .365 7.966 10.750 9.976 140
12 ..406 10.534 12.750 11.889 130
14 .437 12.462 14.000 13.073 130
16 .500 16.286 16.000 14.940 130
18 .562 20.587 18.000 16.809 130
20 .593 24.183 20.000 18.743 120
24 .687 33.652 24.000 22.544 120

ASTM A335 P9 pipe sizes

ASTM A335 P9 pipe sizes

NB Sizes Outside Diameter 40S 5S 10S S10 S20 S40 S60 XS/80S S80 S100 S120 S140 S160 XXS
milimeter
100 4 114.3 6 2.1 3.1 6.02 8.56 8.56 11.1 13.5 17.1
150 6 168.3 7.1 2.8 3.4 7.11 10.97 11 14.3 18.3 22
125 5 141.3 6.6 2.8 3.4 6.55 9.53 9.53 12.7 15.9 19.1
200 8 219.1 8.2 2.8 3.8 6.4 8.18 10.3 12.7 12.7 15.1 19.3 20.6 23 22.2
300 12 323.9 9.5 4 4.6 6.4 10.3 14.3 12.7 17.5 21.4 25.4 28.6 33.3 25.4
250 10 273.1 9.3 3.4 4.2 6.4 9.27 12.7 12.7 15.1 19.3 21.4 25.4 28.6 25.4
350 14 355.6 9.5 4 4.8 6.4 7.9 11.1 15.1 12.7 19.1 23.8 27.8 31.8 35.7
450 18 457.2 9.5 4.2 4.8 6.4 7.9 14.3 19.1 12.7 23.8 29.4 34.9 39.7 45.2
400 16 406.4 9.5 4.2 4.8 6.4 7.9 12.7 16.7 12.7 21.4 26.2 31 36.5 40.5
500 20 508 9.5 4.8 5.5 6.4 9.5 15.1 20.6 12.7 26.2 32.5 38.1 44.5 50
600 24 609.6 9.5 5.5 6.4 6.4 9.5 17.5 24.6 12.7 31 38.9 46 52.4 59.5
550 22 558.8 9.5 4.8 5.5 6.4 9.5 22.2 12.7 28.6 34.9 41.3 47.6 54
1/8 10.29 1.2 1.73 2.41
3/8 17.15 1.7 2.31 3.2
1/4 13.72 1.7 2.24 3.02
15 1/2 21.34 2.8 1.7 2.1 2.77 3.73 3.73 4.78 7.47
25 1 33.4 3.4 1.7 2.8 3.38 4.55 4.55 6.35 9.09
20 3/4 26.67 2.9 1.7 2.1 2.87 3.91 3.91 5.56 7.82
32 1 1/4 42.16 3.6 1.7 2.8 3.56 4.85 4.85 6.35 9.7
50 2 60.33 3.9 1.7 2.8 3.91 5.54 5.54 9.74 11.1
40 1 1/2 48.26 3.7 1.7 2.8 3.68 5.08 5.08 7.14 10.2
65 2 1/2 73.03 5.2 2.1 3.1 5.16 7.01 7.01 9.53 14
90 3 1/2 101.6 5.7 2.1 3.1 5.74 8.08 8.08
80 3 88.9 5.5 2.1 3.1 5.49 7.62 7.62 11.1 15.2
650 26 660.4 9.5 7.9 13 12.7
750 30 762 9.5 6.4 7.9 7.9 13 12.7
700 28 711.2 9.5 7.9 13 12.7
800 32 812.8 9.5 7.9 13 17.5 12.7
900 36 914.4 9.5 7.9 13 19.1 12.7
850 34 863.6 9.5 7.9 13 17.5 12.7

A335 P9 material weight chart

A335 P9 material weight chart

Size Other Diameter Wall thickness Schedule Inner Dia. Weight per foot
2 2.375 0.109 10 2.157 2.64
0.218 80 1.939 5.03
2 1/2 2.875 0.120 10 2.635 3.53
0.276 80 2.323 7.67
3 3.50 0.120 3.260 4.34
0.216 40 3.068 7.58
0.438 160 2.624 14.34
0.300 80 2.900 10.26
1/2 0.84 0.109 40 0.622 0.85
0.188 160 0.464 1.31
3/4 1.05 0.113 40 0.824 1.13
0.179 80 0.957 2.17
1 1.315 0.133 40 1.049 1.68
0.191 80 1.278 3.00
1 1/4 1.66 0.140 40 1.380 2.27
0.200 80 1.500 3.63
1 1/2 1.90 0.145 40 1.610 2.72
0.154 40 2.067 3.66
3 1/2 4.0 0.120 10 3.760 4.98
0.318 80 3.364 12.52
0.226 140 3.548 9.12
4 4.5 0.120 10 4.260 5.62
0.203 4.094 9.32
0.237 40 4.026 10.80
0.250 4 11.36
0.219 4.062 10.02
0.281 60 3.938 12.67
0.337 80 3.826 15.00
0.312 3.876 13.97
0.438 120 3.624 19.02
5 5.563 0.188 5.187 10.80
0.258 40 5.047 14.63
0.375 80 4.813 20.80
0.500 120 4.563 27.06
0.531 160 3.438 22.53
6 6.625 0.109 5 6.407 7.59
0.134 10 6.357 9.30
0.280 40 6.065 18.99
0.432 80 5.761 28.60
0.625 160 4.313 32.99
0.562 120 5.501 36.43
0.719 160 5.187 45.39

Tolerance chart of SA 335 P9 Cold drawn pipe

Tolerance chart of SA 335 P9 Cold drawn pipe

Size Tolerance
Above DN65 t/D ≤5%A +22.5%/ – 12.5%
DN6 to DN65 +20%/ – 12.5%
Above DN65 t/D ＞5%A +22.5%/ – 12.5%

ASTM A335 Grade P9 Pipe Diameter Tolerance

ASTM A335 Grade P9 Pipe Diameter Tolerance

OD in mm Tolerance in mm
OD 40 to 100 +/-0.79
OD 200 to 300 +2.38/-0.79
OD 100 to 200 +1.59/-0.79
Over 300 +/-1%

A335 Gr P9 SMLS pipe heat treatment

A335 Gr P9 SMLS pipe heat treatment

Grade Chart Normalize Temp Range F [C] Heat Treatment Type Annealing and Tempering Temp Range F [C]
P9 Isothermal or Full Anneal
***** Temper and Normalize< 1250 [675]

ASTM A335 Gr P9 boiler pipe thickness

2mm TO 100mm

A335 P9 pipes testing

  • Third Party Inspection
  • Chemical Reports
  • PMI Test Reports
  • Visual Inspection Reports
  • Mechanical Reports

Elasticity of DIN 1.7386 Hot rolled pipes

Elasticity of DIN 1.7386 Hot rolled pipes

Elastic modulus 200 - 215 GPa

Difference between p9 and p91 material

Difference between p9 and p91 material

Property P9 P91
Tensile Strength (min) 585 MPa 620 MPa
Standard ASTM A335 / SA335 Grade P9 ASTM A335 / SA335 Grade P91
Main Alloy Elements 9% Cr, 1% Mo 1% Mo, 9% Cr, +V, Nb, N (Tempered Martensitic)
Yield Strength (min) 275 MPa 415 MPa
Hardness (typical) ~200–240 HB ~230–250 HB
Working Temp Range Up to ~600°C Up to ~650–675°C

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