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ASTM A335 P92 Pipe Manufacturer and Supplier

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The P92 Grade Pipe is an advanced form of high-temperature chromium-molybdenum alloy steel pipe that can withstand harsh conditions of temperature and pressure. The ASME SA335 P92 pipes are renowned for their excellent creep resistance and oxidation properties. P92 pipes, with a chemical composition that is enriched with chromium (8.5-9.5%) and molybdenum as well as elements such as vanadium and tungsten, provide increased mechanical strength and superior resistance to thermal fatigue. These pipes are manufactured in both seamless and welded configurations, in a variety of sizes and schedules according to ANSI B36.10 standards, which provides reliability in critical piping systems. We are the USA Piping Solution that supplies the global industries with complete certification, strict quality inspection, and ready stock availability of premium-quality ASTM A335 P92 pipes. Our focus on material traceability, precision manufacturing, and timely delivery makes us a trusted partner for high-temperature alloy steel piping requirements

Specification of ASTM A335 P92 Pipe

FeatureSpecification Details
Size Range (NB)1/8" NB to 24" NB
StandardsASTM A335, ASME SA335
TypeSeamless
Outer Dimensions (OD)19.05 mm - 114.3 mm
Wall Thickness (WT)2.0 mm - 14 mm
SchedulesSchedule 20 to Schedule XXS (Heavier on request up to 250 mm thk.)
SpecializationLarge Diameter Sizes
Available FormsRound, Square, Rectangular, Hydraulic, etc.
Length TypesSingle Random, Double Random, and Cut Length
Maximum LengthUp to 16,000 mm
Tubing EndsPlain End, Beveled End, Threaded

Chemical Composition of ASTM A335 P92 Pipe

ElementCMnPSSiCrMo
Content0.07-0.130.30-0.600.02 max0.01 max0.50 max8.50-9.500.30-0.60

ASTM A335 P92 Pipe Mechanical Properties

PropertyTensile StrengthYield StrengthElongationHardness
Value620 MPa min440 MPa min20% min250 HB max

Equivalent Grades of ASTM A335 P92 Pipe

ASTMASMEJIS (Japan)UNSBS (UK)DIN (Germany)ISO
A335 P92SA335 P92G 3458 (T92)K92460---

P91 vs P92 Pipe Comparison Table

ParameterASTM A335 P91 PipeASTM A335 P92 Pipe
Material Type9Cr-1Mo Ferritic Alloy SteelAdvanced 9Cr Alloy Steel with W, V, Nb
Chromium (Cr)8.0 - 9.5%8.5 - 9.5%
Molybdenum (Mo)0.85 - 1.05%0.30 - 0.60%
Tungsten (W)Not Present1.5 - 2.0%
Creep StrengthHighVery High (Improved over P91)
Allowable StressHighHigher than P91
Temperature ResistanceUp to ~600 deg CUp to ~620 deg C
Thermal EfficiencyGoodBetter (used in ultra-supercritical plants)
Oxidation ResistanceHighSlightly improved
WeldabilityGood (requires PWHT)More sensitive, strict PWHT required
ApplicationsBoilers, steam lines, power plantsSupercritical boilers, superheaters, advanced power plants
Service LifeLongLonger due to better creep resistance
Cost LevelHighHigher (premium grade)
AvailabilityWidely availableSlightly limited but growing
Best Use CaseStandard high-temp power applicationsUltra-high temperature & pressure critical systems

ASTM A213 Alloy Steel P92 Tubes Outside Diameter & Tolerances

Manufacturing ProcessOutside Diameter (mm)Tolerance (mm)
Hot RolledOD <= 101.6+0.4 / -0.8
Hot Rolled101.6 < OD <= 190.5+0.4 / -1.2
Hot Rolled190.5 < OD <= 228.6+0.4 / -1.6
Cold DrawnOD < 25.4+/-0.10
Cold Drawn25.4 <= OD <= 38.1+/-0.15
Cold Drawn38.1 < OD < 50.8+/-0.20
Cold Drawn50.8 <= OD < 63.5+/-0.25
Cold Drawn63.5 <= OD < 76.2+/-0.30
Cold Drawn76.2 <= OD <= 101.6+/-0.38
Cold Drawn101.6 < OD <= 190.5+0.38 / -0.64
Cold Drawn190.5 < OD <= 228.6+0.38 / -1.14

Wall Thickness and Tolerance Chart of ASTM A213 P92 Tubes

Manufacturing ProcessCondition (OD & WT)Tolerance (%)
Hot RolledOD <= 101.6, WT <= 2.4+40 / -0
Hot RolledOD <= 101.6, 2.4 < WT <= 3.8+35 / -0
Hot RolledOD <= 101.6, 3.8 < WT <= 4.6+33 / -0
Hot RolledOD <= 101.6, WT > 4.6+28 / -0
Hot RolledOD > 101.6, 2.4 < WT <= 3.8+35 / -0
Hot RolledOD > 101.6, 3.8 < WT <= 4.6+33 / -0
Hot RolledOD > 101.6, WT > 4.6+28 / -0
Cold DrawnOD <= 38.1+20 / -0
Cold DrawnOD > 38.1+22 / -0

Size Chart of ASTM A213 P92 Tubes

O.D. x WTO.D. x WTO.D. x WTO.D. x WT
38.1 x 3.251.0 x 3.663.5 x 4.088.9 x 3.6
38.1 x 4.051.0 x 6.363.5 x 6.388.9 x 4.0
38.1 x 6.357.0 x 3.263.5 x 7.9101.6 x 3.6
42.4 x 3.257.0 x 3.670.0 x 3.2101.6 x 4.5
42.4 x 4.057.0 x 4.970.0 x 3.6101.6 x 6.3
44.5 x 3.257.0 x 6.370.0 x 6.3114.3 x 3.6
44.5 x 6.357.0 x 7.976.2 x 3.6114.3 x 5.0
48.3 x 3.260.3 x 3.276.2 x 4.0139.7 x 4.0
48.3 x 3.660.3 x 3.676.2 x 5.0139.7 x 5.0
50.8 x 4.560.3 x 5.076.2 x 6.3139.7 x 6.3
51.0 x 3.263.5 x 3.282.5 x 4.5-
51.0 x 3.663.5 x 3.688.9 x 3.2-

ASTM A335 P92 Pipe Weight Chart

NPSO.D. (in)Wall (in)I.D. (in)Weight (lb/ft)Schedule / Desig.Sect. Modulus (in3)Gal/ft
1/20.8400.1090.6220.85STD / 400.04070.0158
1/20.8400.1470.5461.09XHY / 800.04780.0122
1/20.8400.1880.4641.311600.05280.0088
1/20.8400.2940.2521.72XXHY0.05770.0026
3/41.0500.1130.8241.13STD / 400.07050.0277
3/41.0500.1540.7421.48XHY / 800.08530.0225
3/41.0500.2190.6121.951600.10060.0153
3/41.0500.3080.4342.44XXHY0.11030.0077
11.3150.1331.0491.68STD / 400.13280.0449
11.3150.1790.9572.17XHY / 800.16060.0374
11.3150.2500.8152.851600.19040.0271
11.3150.3580.5993.66XXHY0.21360.0146
22.3750.1542.0673.66STD / 400.56060.1743
22.3750.2181.9395.03XHY / 800.73090.1534
22.3750.3441.6877.471600.98060.1161
22.3750.4361.5039.04XXHY1.10430.0922
33.5000.2163.0687.58STD / 401.72400.3840
33.5000.3002.90010.26XHY / 802.22500.3431
33.5000.4382.62414.341602.87700.2811
33.5000.6002.30018.60XXHY3.42400.2158
44.5000.2374.02610.80STD / 403.21400.6613
44.5000.3373.82615.00XHY / 804.27100.5972
44.5000.5313.43822.531605.89900.4822
44.5000.6743.15227.57XXHY6.79200.4054
66.6250.2806.06518.99STD / 408.49581.5008
66.6250.4325.76128.60XHY / 8012.22401.3541
66.6250.7195.18745.3916017.82431.0977
66.6250.8644.89753.21XXHY20.00000.9784

Applicational and Industrial Uses of ASTM A335 P92 Pipe

  • Power Generation Industry
  • Oil & Gas Industry
  • Petrochemical Industry
  • Boiler & Pressure Vessel Systems
  • Energy & Utilities Sector
  • Heavy Engineering & Industrial Plants
  • Aerospace & Advanced Engineering

Related Alloy Steel Pipe Grades

Frequently Asked Questions

What is A335 P92 material?

ASTM A335 P92 is a high-strength chromium-molybdenum alloy steel used for high-temperature and high-pressure piping, especially in power plants.

What material is P92?

P92 is a ferritic alloy steel containing chromium, molybdenum, tungsten, and vanadium, designed for excellent creep resistance at elevated temperatures.

What is P92 material equivalent to?

P92 is commonly equivalent to EN X10CrWMoVNb9-2 (1.4901) and UNS K92460.

What is the temperature limit of ASTM A335 P92 pipe?

P92 pipes can typically operate up to around 600-620 deg C in continuous high-temperature service.

Where is ASTM A335 P92 pipe used?

It is used in power plants, boilers, superheaters, steam pipelines, and high-temperature industrial piping systems.

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