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Alloy Steel Pipe

What is Alloy Steel Pipe?

Alloy Steel Pipe are components that are alloyed with a variety of elements between 1 to 50% by weight. These pipes can either be low or high alloy steel components. The higher the alloying material greater is the strength of the steel. The alloys make these modules extremely resistant to impact and stress. Apart from this, the overall corrosion resistance of the pipe is also affected by this process making, it a leading choice for different chemical companies.

Comparison Between ASTM A335 P11 Seamless Pipe and ASTM A335 P22 Pipe

ASTM A335 pipes exhibit higher percentages of alloying elements in comparison to standard pipes. P11 and P22 are the two major grades of pipes within this grade.

  • P11 pipe is a low/intermediate alloy steel having a concentration of 1¼ of chromium and 1/2 of molybdenum. P22 pipes have a chemical concentration of 2¼ of chromium and 1 of molybdenum
  • P11 seamless pipes are manufactured by passing hot steel billets through an extruded metal. P22 can be produced either through welding or seamless process
  • An ASTM A335 P22 pipe can be used in higher temperatures in comparison to the P11 grade.

AISI 4140 tubes vs SAE AISI 4130 Chromoly Tube

41xx steels are high chromium and molybdenum-containing tubes, which possess superior strength compared to regular steel. Amongst these components are the AISI 4140 and SAE AISI 4130 Chromoly tubes. These tubes can be differentiated based on a range of aspects which are listed below.

  • SAE AISI 4130 Chromoly Tube is more durable than the 4140 tubes.
  • The AISI 414O tubes possess superior mechanical properties compared to the 4130 grade.
  • 4130 pipes can be machined and formed relatively better than standard 4140 tubes.
  • 4140 AISI tubes have a higher composition of carbon than 4130 tubes.
  • For welding procedures, 4130 is a better choice.

ASME SA335 Grade 91 Pipe Welding Process

ASME SA335 Grade 91 pipes are utilized in critical applications, and any improper welds can result in a spectacular failure. This is why there are strict norms in welding products from this grade. The pipes from this grade can be welded using gas metal arc welding, gas tungsten arc welding, submerged arc welding, and flux-cored arc welding procedures. Welding is performed at temperatures between 400 to 550 degrees F. After the welding procedure takes place, the pipe is kept at elevated temperatures to dry. It is later heat-treated at 1900 degrees F and tempered or quenched.

ASTM A335 P5 Pipe Benefits

Some of the important benefits of the ASTM A335 P5 Pipe include

  • Ferritic alloy pipe for high-temperature systems
  • Excellent resistance to corrosion
  • Enhance oxidation resistance
  • Superior tensile and yield strengths at room temperature
  • Higher elastic limit with critical wear resistance
  • Resistant to softening and restricted grain growth, making it less susceptible to embrittlement
  • Inhibits, pitting, and has higher creep strength

Alloy Steel Welded Pipe Uses

Alloy steel welded pipes are one of the most diverse pipes in the industry. These pipes are utilized in diverse markets such as petrochemicals, refineries, energy-related industries, and nuclear plants. These versatile components possess superior strength and performance due to their superior alloy concentration. This is why they are employed in solar plants, aerospace, atomic energy, defense, and so on.

ASTM A335 P11 Seamless Pipe Supplier in India

Table of Content


Alloy Steel Pipes


Stocking Distributor of Jindal / MSL and ISMT Make Seamless Alloy Steel Pipes and Tubes in Mumbai

Alloy Steel Tube Material Specification

SpecificationsASTM A 335 ASME SA 335
DimensionsASTM, ASME and API
Pipe MarkingAll Alloy steel pipe are marked as follows: Supplier or Manufacturer’s Name, Grade, Standard, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Size1/8″NB TO 30″NB IN
Tubing Size1 / 2” OD up to 5” OD, customs diameters also available
Outer Diameter6-2500mm; WT:1-200mm
ScheduleSCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
GradeASTM A335 Gr. P5, P9, P11, P12, P21, P22 & P91, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691
LengthWithin 13500mm
Test Certificate provided by supplierEN 10204 3.1 B
TypeSeamless / Fabricated
FormRound, Hydraulic Etc
LengthSingle Random, Double Random & Cut Length.
EndPlain End, Beveled End, Treaded
Alloy Steel Pipe Suppliers In India

Alloy Steel Pipe

Alloy Steel Pipe

ASTM A335 P11 Pipe

ASTM A335 P11 Pipe

Alloy Steel Tube

Alloy Steel Tube

ASTM A335 P22 Pipe

ASTM A335 P22 Pipe

Heat Treatment Of 4130 Alloy Steel Tube

P5, P9, P11, and P22
GradeHeat Treatment TypeNormalizing Temperature Range F [C]Subcritical Annealing
or Tempering
Temperature Range F
[C]
P5 (b,c)Full or Isothermal Anneal
Normalize and Temper*****1250 [675]
Subcritical Anneal (P5c only)*****1325 - 1375 [715 - 745]
P9Full or Isothermal Anneal
Normalize and Temper*****1250 [675]
P11Full or Isothermal Anneal
Normalize and Temper*****1200 [650]
P22Full or Isothermal Anneal
Normalize and Temper*****1250 [675]
P91Normalize and Temper1900-1975 [1040 - 1080]1350-1470 [730 - 800]
Quench and Temper1900-1975 [1040 - 1080]1350-1470 [730 - 800]

4140 Alloy Steel Tube Diameter

ASTM A450Hot rolledOutside Diameter, mmTolerance, 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 DrawnOutside Diameter, mmTolerance, 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
ASTM A530 & ASTM A335NPSOutside Diameter, inchTolerance, mm
1/8≤OD≤1-1/2±0.40
1-1/2＜OD≤4±0.79
4＜OD≤8+1.59/-0.79
8＜OD≤12+2.38/-0.79
OD>12±1%

Check Sizes, Pipe Wall Thickness and Price List of ASTM A335 P22 Pipe and ASME SA335 Grade 91 Pipe

Alloy Pipe

Wall Thickness Of 4340 Alloy Steel Tube

ASTM A450Hot rolledOutside Diameter, mmTolerance, %
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 DrawnOutside Diameter, mmTolerance, %
OD≤38.1+20/-0
OD>38.1+22/-0
ASTM A530NPSOutside Diameter, inchTolerance, %
1/8≤OD≤2-1/2+20.0/-12.5
3≤OD≤18, WT/OD≤5%+22.5/-12.5
3≤OD≤18, WT/OD>5%+15.0/-12.5
OD≥20, WT/OD≤5%+22.5/-12.5
OD≥20, WT/OD>5%+15.0/-12.5

Alloy Steel Pipe Price Per Foot

Descriptionlengthouter Diameterthicknessprice in Usprice per foot in India
ASTM A335 Gr. P5 Alloy Steel Pipes6 meter1/2" NB to 36" NBSCH 40, SCH 80, SCH 160, SCH XS, SCH XXS4.07₹304.87
Alloy Steel Seamless Pipe, Size: 1/2 and 3 Inch18 meter1/2 inch, 1 inch, 2 inch, 3 inch, 4 inch, >4SCH 40, SCH 80, SCH 1608.14₹609.75

A335 Gr P11 Alloy Steel Pipe Grades

  • ASTM A335 P1 Pipes
  • ASTM A335 P5 Pipes
  • ASTM A335 P9 Pipes
  • ASTM A335 P11 Pipes
  • ASTM A335 P12 Pipes
  • ASTM A335 P22 Pipes
  • ASTM A335 P91 Pipes

Most renowned Stockist and Exporter of SAE AISI 4130 Chromoly Tube and AISI 4140 tubes in India

ASTM A335 P11 Pipe ASTM Code

Material and typesStandard CodeGrades includes
Alloy Steel Seamless Ferritic and Austentic Boiler, Superheater, IBR approved Heat-Exchanger TubesASTM A213/ ASME SA 213T1,T2,T5,T9,T11,T12,T22,T23,T91,T92
High Temperature Alloy Steel Seamless Pipes (Ferritic)ASTM A335/ ASME SA 335P1,P5,P9,P11,P12,P17,P22,P91,P92
Carbon and Alloy Steel Seamless Mechanical TubingASTM A519/ ASME SA 5194130, 4130X,4140
High Temperature Alloy Steel Seamless Pipes (Ferritic)EN10216-213CrMo4-5 10CrMo9-10 X10CrMoVNb9-1 15NiCuMoNb5-6-4

SP Metals is biggest Alloy Steel Pipe Suppliers In India. Check Pressure rating of Alloy Steel Seamless Tube, Alloy Steel Erw Pipe

Pressure Rating Of Alloy Steel Square Tube

NPSODSch
(inches)(inches)1020STD30XS406080100XXS120140160
3/80.6756606914766069147
1/20.8463588575635885751715010908
11.3154956667049566670133409316
1 1/41.664133563841335638112767380
22.375317744983177449889957097
2 1/22.875346047043460470494086391
3 1/242769389627693896
44.52581367025813670733947695782
66.6252071319520713195639041575318
88.625142018291574284118292307284133754971408546135147
1212.7596114411268192215602160264432443843384343245042
141487510921313131317501533207926253283382943754921
18186818491021119213611530204225533147374342524848
2020613919919122512251455198925263138367542884824
2424510766766114710211405197824893126370042104786
30305108176131021817
3434450721540901992
4242583438729875
Compare low alloy steel cost per kg in India and China | Also See online Price list of Alloy Steel Welded and ERW pipe

Alloy Steel Welded Pipe Vs Alloy Steel Erw Pipe Price

Descriptionprice in Usprice per kg in India
20Cr 30Cr 35Cr alloy steel welded pipeUS $0.625-$1.25 ₹ 46.83 - 93.66
aisi 4130 alloy steel erw pipeUS $0.60-$1.00 ₹ 44.96 - 74.93
Alloy Steel welded Tubes, Size: 3 inchUS 2.34₹ 175
Alloy Steel ERW Pipe ASME A 335 GR P23US 2.00₹ 150
Welded A335 P1 PipeUS 3.34₹ 250

4130 Alloy Steel Tube Suppliers in India, We provide 4140 Alloy Steel Tube with instant delivery, 4340 Alloy Steel Tube weight Chart.

Seamless Alloy Steel Tube Supplier In India, Visit our 2mm diameter mirror polished Alloy Steel Square Tube in India, Call Now to Get Alloy Steel Boiler Tubes Free sample.

Types Of Alloy Steel Boiler Tubes

ASTM A335 P91 Pipe
ASTM A335 P91 Pipe
Alloy Steel Erw Pipe
Alloy Steel Erw Pipe
Alloy Steel Welded Pipe
Alloy Steel Welded Pipe
Alloy Steel Seamless Pipe
Alloy Steel Seamless Pipe
ASTM A335 P91 P11 P22 P5 Seamless Alloy Steel Pipe
ASTM A335 P91 P11 P22 P5 Seamless Alloy Steel Pipe
Aisi4130 Cold Drawn Alloy Steel Pipe 2 Sch 40
Aisi4130 Cold Drawn Alloy Steel Pipe 2 Sch 40
A213 T9 Tubes
A213 T9 Tubes
Aisi 4130 Steel Tube
Aisi 4130 Steel Tube
Alloy Steel Seamless Tube
Alloy Steel Seamless Tube
Alloy Steel Pipe 40cr 45mm Wall Thickness 11mm Steel
Alloy Steel Pipe 40cr 45mm Wall Thickness 11mm Steel
4 Inch Sch40 Pe ASTM A335 P5 Material
4 Inch Sch40 Pe ASTM A335 P5 Material
P11 P22 P5 P12 P9 P91 25crmo4 Seamless Alloy Steel Pipe
P11 P22 P5 P12 P9 P91 25crmo4 Seamless Alloy Steel Pipe
4130 Alloy Seamless Steel Pipe
4130 Alloy Seamless Steel Pipe
ASTM A335 P5 Steel Pipe
ASTM A335 P5 Steel Pipe
ASTM A213 T11 Seamless Steel Pipe
ASTM A213 T11 Seamless Steel Pipe
ASTM A213 T12 Alloy Steel Pipe/tube
ASTM A213 T12 Alloy Steel Pipe/tube
Seamless Steel ASTM A213 Grade T11 T12 Pipe
Seamless Steel ASTM A213 Grade T11 T12 Pipe
ASTM T11 T12 T91 T92alloy Steel Seamless Pipe
ASTM T11 T12 T91 T92alloy Steel Seamless Pipe

ASME Sa213 T11 Low Alloy Steel Tube En Standards

Product NameExecutive StandardDimension (mm)Steel Code / Steel Grade
Seamless Ferritic Alloy Steel Pipes for High Temperature UseEN10216-2Ø8"~42" x WT15~10013CrMo4-5, 1-CrMo9-10, X10CrMoVNb9-1, 15NiCuMoNb5-6-4
chrome moly pipe supplier in India | Buy ASTM A335 P5 pipe and P9 Pipe at dealer Price in required Length

Alloy Steel Seamless Pipe Length

Alloy Steel Pipe TypesOut diameterWall thicknessLength
NB Sizes (in stock)1/8” ~ 8”SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160Upto 6 Meters
Alloy Steel Seamless Pipe (Custom Sizes)5.0mm ~ 203.2mmAs per requirementUpto 6 Meters
Alloy Steel Welded Pipe (in Stock + Custom Sizes)5.0mm ~ 1219.2mm1.0 ~ 15.0 mmUpto 6 Meters

Equivalent Of ASTM A335 P5 Seamless Pipe

NameTemperSpecification
Alloy4130NMILT6736, AMS6360, AMS6371
Alloy4140N,A, TAMS6381
Alloy15CDV6T1080, T980AIR9160C, 1.7734.5, 1.7734.6

ISO Certified Alloy Steel Pipe Supplier in Mumbai, India, Tolerance Of Alloy Steel Tube Material In MM.

ASTM A335 P5 Pipe Diameter Tolernce

A335 PipesOverUnder
NPS [DN]in.mmin.mm
1/8 to 1 1/2 / DN 6 to 401/64 (0.015)0.41/64 (0.015)0.4
Over 1 1/2 to 4 / DN 40 to 1001/32 (0.031)0.791/32 (0.031)0.79
Over 4 to 8 / DN 100 to 2001/16 (0.062)1.591/32 (0.031)0.79
Over 8 to 12 / DN 200 to 3003/32 (0.093)2.381/32 (0.031)0.79
Over 12 / > DN 300+/- 1% of the specified outside diameter

ASTM A335 P1 Pipe Elogation

Calculated Minimum Elongation Values
Elongation in 2 in. or 50 mm, min %
Wall ThicknessP5, P9, P11, P22P91 (type 1 and 2)
in.mmLongitudinalTransverseLongitudinal
5/16 (0.312)8302020
9/32 (0.281)7.2281919
1/4 (0.250)6.4271818
7/32 (0.219)5.62617
3/16 (0.188)4.82416
5/32 (0.156)42215
7/8 (0.125)3.22114
3/32 (0.094)2.42013
1/18 (0.062)1.61812

ASTM A335 P11 Alloy Steel Pipe Tensile Strength

  P5P9P11P22P91 (1, 2)P91 type 1 and 2 shall have a hardness within the range of 190 to 250 [HBW] or 196 to 265 [HV] or 91 HRBW to 25 HRC.
Tensile Strength, min., psi     
 ksi6060606085
 MPa415415415415585 
Yield Strength, min., psi       
 ksi3030303060 
 MPa205205205205415 

ASTM A335 P22 Pipe Packaging

Alloy Steel Tube packaging
Alloy Steel Pipe packaging
  • Bundles (hexagonal)
  • Wooden Boxes
  • Crates (steel/wooden)
  • Special crates for Alloy Steel Pipes and Tubes with each radius separated
  • Packaging for Alloy Steel Seamless Pipe and Tube as per customer’s requirements

Chemical Behaviour Of ASTM A335 P91 Pipe

ASTM A335
Low-Alloy Steel
(Grades)		UNS
equivalent		C≤MnP≤S≤Si≤CrMo
P1K115220.10~0.200.30~0.800.0250.0250.10~0.50–0.44~0.65
P2K115470.10~0.200.30~0.610.0250.0250.10~0.300.50~0.810.44~0.65
P5K415450.150.30~0.600.0250.0250.54.00~6.000.44~0.65
P5bK515450.150.30~0.600.0250.0251.00~2.004.00~6.000.44~0.65
P5cK412450.120.30~0.600.0250.0250.54.00~6.000.44~0.65
P9S504000.150.30~0.600.0250.0250.50~1.008.00~10.000.44~0.65
P11K115970.05~0.150.30~0.610.0250.0250.50~1.001.00~1.500.44~0.65
P12K115620.05~0.150.30~0.600.0250.0250.50.80~1.250.44~0.65
P15K115780.05~0.150.30~0.600.0250.0251.15~1.65–0.44~0.65
P21K315450.05~0.150.30~0.600.0250.0250.52.65~3.350.80~1.60
P22K215900.05~0.150.30~0.600.0250.0250.51.90~2.600.87~1.13
P91K915600.08~0.120.30~0.600.020.010.20~0.508.00~9.500.85~1.05
P92K924600.07~0.130.30~0.600.020.010.58.50~9.500.30~0.60

ASME Sa213 T11 Low Alloy Steel Tube Suppliers In Mumbai, India, Get Free Quote For Alloy Steel Seamless Pipe, Mechanical Properties Of ASTM A335 P5 Seamless Pipe

Alloy Steel Seamless Tube Mechanical Properties

A335 Low-Alloy PipeUNS NumberYield Strength ksiTensile Strength ksiElongation %RockwellBrinell
P1K11522305530––
P2K11547305530––
P5K41545407030–207 max
P9S50400306030––
P11K11597306020––
P12K11562326030–174 max
P22K21590306030––
P91K91560608520––

ALLOY PIPE CROSS REFERENCE TABLE ASTM vs. EN GRADES

Chrome Moly Pipes: Werkstoff vs EN vs ASTM
Werkstoff /DINENASTM
1.541516Mo3A335 Grade P1
1.733513CrMo4-5A335 Grade P11, P12
1.738010CrMo9-10A335 Grade P22
1.7362X11CrMo5A335 Grade P5
A335 Grade P9
1.4903X10CrMoVNb9-1A335 Grade P91

Seamless Alloy Steel Pipes And Tubes Advantage

  • High Strength
  • Resistant High Mechanical Stresses
  • Resistant to High Pressure
  • Resistant to High Temperature
  • Good Formality
  • Reusable
Alloy Steel Pipe Tube

Alloy Steel Pipe Hs Code

HSN CodeProduct Description
7306Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel
730630Other welded of circular cross- section of iron or non-alloy steel:
73063090Other
7307Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
730793Butt welding fittings:
73079390Other
73072900Other

Uses Of SAE Aisi 4130 Chromoly Tube

  • Textile machinery
  • Oil and gas industry
  • Pulp and paper industry
  • Power plants
  • Energy industries
  • Furniture
  • Pharmaceutical processing industry
  • Modern architecture
  • Home appliances
  • Water waste projects
  • Synthetic fiber
  • Heat exchanger
  • Fluid piping
  • Dairy and food processing

Thermal Properties Of ASME Sa335 Grade 91 Pipe

PropertiesMetricImperial
Thermal expansion coefficient (@ 0-100°C/32-212°F)12.2 µm/m°C6.78 µin/in°F
Thermal conductivity (@ 100°C)42.6 W/mK296 BTU in/hr.ft².°F

Other Designations Of Aisi 4140 Tubes

AMS 6349ASTM A193 (B7, B7M)ASTM A506 (4140)ASTM A752 (4140)
AMS 6381ASTM A194 (7, 7M)ASTM A513ASTM A829
AMS 6382ASTM A29 (4140)ASTM A513 (4140)SAE J1397 (4140)
AMS 6390ASTM A320 (L7, L7M, L7D)ASTM A519 (4140)SAE J404 (4140)
AMS 6395ASTM A322 (4140)ASTM A646 (4140)SAE J412 (4140)
AMS 6529ASTM A331 (4140)ASTM A711

Alloy Steel Welded Pipe Forging

AISI 4140 alloy steel is forged at 926 to 1205°C (1700 to 2200°F)

Alloy Steel Erw Pipe Hotworking Properties

AISI 4140 alloy steel can be hot worked at 816 to 1038°C (1500 to 1900°F)

Trade Name Of 4130 Seamless Alloy Steel Tubing

Trade NameGradeUNS #Heater Tubes
1 1/4 ChromeT11K11597A213
2 1/4 ChromeT22K21590A213
5 ChromeT5K41545A213
9 ChromeT9K90941A213
T91T91K90901A213
T92T92K92460A213

Other Products

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Below Countries Procure ASTM A335 P22 Pipe From India

Alloy Steel Pipe Supplier in India

Alloy Steel Pipe Supplier in India

ASTM A335 P11 Seamless Pipe

ASTM A335 P11 Seamless Pipe


Dammam -KSA, Istanbul- Turkey, Belgium, Norway, Bahrain, Iran, Colombia, Indonesia, Czechia, Kuwait, Singapore, New Zealand, Malaysia, Portugal, Russia, Austria, China, South Africa, Egypt, Greece, United States, France, United Kingdom (UK), Chile, Jordan, Morocco, Poland, Jakarta -Indonesia, Malaysia, Spain, Japan, Nigeria, Jakarta, Netherlands, Saudi Arabia (KSA)

Alloy Steel Tubes

Alloy Steel Tubes


Kuala Lumpur, Bangladesh, Brazil, South Africa, Dubai- UAE, Denmark USA, Germany, Malaysia, South Korea, Peru, Europe, Mexico, Singapore, Italy, Finland, United Arab Emirates (UAE), Turkey, Sweden, Canada, Taiwan, Los Alamos -Mexico, Philippines, Oman, NY 12203 (USA), Hong Kong, Dubai, Thailand, Argentina, Ellington -United States, Australia, Tehran -Iran, Romania, Qatar, Vietnam

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