ASTM A335 Alloy Pipes

WE are exporter and supplier of alloy steel pipes & tubes which are used in various engineering applications. Our alloy steel pipes and alloy steel tubes are ideal for High Temperature / Pressure application. Made in different sizes, these pipes are known for their sturdy construction and long lasting metal. Alloy Steel contains substantial quantities of elements other than carbon such as nickel, chromium, silicon, manganese, tungsten, molybdenum, vanadium and limited amounts of other commonly accepted elements such as manganese, sulfur, silicon, and phosphorous. These pipes are also used for different purposes such as energy related applications like oil and gas drilling. Our range is available in standard as well as customized lengths, thickness, sizes and dimensions to meet the demands of client’s. Addition of such alloying elements is usually for the purpose to increase hardness, strength or chemical resistance.These are known for chemical resistance and durability with following series grades:

Aditay Steel provides a wide range of ASTM A335 Alloy Seamless Pipes made from premium base materials. We Stock and export the products of excellent quality of Alloy Steel Pipes, ASTM A335 P1 Seamless Pipes, ASTM A335 P5 Seamless Pipes, ASTM A335 P9 Seamless Pipes, ASTM A335 P11 Seamless Pipes, ASTM A335 P22 Seamless Pipes, ASTM A335 P91 Seamless Pipes in India, Dubai-Middle East, Korea, japan, Europe, Russia, USA Etc.

Stockist of ASME Alloy Steel Pipes in India, Exporters of ASTM A335 P1 Seamless Pipes in Dubai Middle East, Suppliers of ASTM A335 P5 Seamless Pipes in South Korea, Stockist of ASTM A335 P9 Seamless Pipes in Europe, Manufacturer of ASTM A335 P11 Seamless Pipes in Japan, Delers of ASTM A335 P22 Seamless Pipes in India, Stockist and Suppliers of ASTM A335 P91 Seamless Pipes Russia, Canada, USA.

ASTM A335 GR P5 | GR P9 | GR P11 | GR P22 | GR P91.

Alloy Steel Seamless Pipes (IBR APPROVED)

Alloy Steel Seamless Pipes (IBR) offered by us is made of alloy steel and feature exceptional
performance properties. These are developed for energy-related applications involving oil & gas
drilling and therefore are subjected to stresses in machine parts. Further, Alloy Steel Tubes are also
used in domestic, professional or industrial areas.

Alloy Steel Seamless Pipes (ASME SA335 Grade P5)

Alloy Steel Seamless Pipes (ASME SA335 Grade P5) offered by us are made available in ASME
SA335 as well as P1, P5, P9, P11, P12, P91 grades. Our expertise lies in offering these in different
sizes & schedules, with IBR & latest edition NACE MR 0175 reports.

Alloy Steel Pipes (ASTM A335 P11)

Alloy Steel Pipes (ASTM A335 P11) offered by us are made as per IBR standards and are used
mainly for boiler operations. We source these seamless pipes in varied size range. Further, we can
also get these customized as per boiler piping requirements. For ensuring in them optimum quality
standards, we source these from quality manufacturers. We also offer clients of having their own
mark on them.

Alloy Steel Pipes (ASTM A335 P12)

Alloy Steel Pipes (ASTM A335 P12) offered by us are available with ASTM A335 P12 standard
and finds application in industries like Petrochemicals, Refineries, Fertilizers, Pharmaceuticals and
others. We can source these seamless pipes in size range of up to 26 inches.

Alloy Seamless Pipes (ASTM A335 Grade P91 NACE)

Alloy Seamless Pipes (ASTM A335 Grade P91 NACE) offered by us are made available in ASTM
A335 Grades. Made as per IBR standards, these are mainly used in boiler operations. Further, our
expertise lies in offering these pipes in various size range as well as in customized parameters as per
boiler piping requirements. Sourced from quality conscious manufacturers, we also offer our clients
the option of adding their own mark on them.

Alloy Steel Tubes (ASME SA213 Grade T11)

Alloy Steel Tubes (ASME SA213 Grade T11) manufactured and supplied by us are of ASME
SA213 Grade. Our expertise lies in offering these in various sizes as well as other specifications as
per the required demands. These Alloy Steel Tubes find usage mainly in different industrial
applications.

ASME Alloy Steel Seamless Tubes / Pipes (SA335 Grade P9)

ASME Alloy Steel Seamless Tubes / Pipes (SA335 Grade P9) manufactured, supplied and exported
by us are used for various industrial applications. Our specialization in offering precision
engineered alloy steels allow us to deliver these for various engineering applications in various
grades like A-387 GR. P1, P5, P9, P11, P12, P22, P91, ASTM A-335 and others. The other
specifications include:

ASTM A335 PIPES | ASTM A335 GR P5 PIPES | ASTM A335 GR P9 PIPES | ASTM A335 GR
P11 PIPES | ASTM A335 GR P22 PIPES | ASTM A335 GR P91 PIPES

Size Range: 1/8″ – 26″
Schedules: 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH

 

  • Alloy steel – steel who characteristics are determined by the addition of other elements in addition to Carbon
  • Steel – an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range
  • Chromium steel, stainless, stainless steel – steel containing chromium that makes it resistant to corrosion
  • Chrome-nickel steel, Elinvar – Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures.
  • Chrome-tungsten steel – a steel alloy made with chromium and tungsten
  • Austenitic manganese steel, manganese steel – a steel with a relatively large component (10-14%) of manganese; highly resistant to wear and shock.
  • Molybdenum steel – steel containing 10-15% molybdenum; properties are similar to tungsten steel
  • Nickel steel – an alloy steel containing nickel
  • Tool steel – alloy steel that is suitable for making tools; is hard and tough and can retain a cutting edge
  • Tungsten steel, wolfram steel – a very hard heat-resistant steel containing tungsten.
  • Vanadium steel – steel alloyed with vanadium for greater strength and high-temperature stability

Heat Treatment Requirements

 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]

Chemical Requirements.

  
Grade
P-5
P-9
P-11
P-22
P-91
Element
UNS Designation
K41545
S50400
K11597
K21590
K91560
Carbon
0.15 max
0.15 max
0.05 – 0.15
0.05 – 0.15
0.08 – 0.12
V at 0.18 – 0.25
Manganese
0.30 – 0.60
0.30 – 0.60
0.30 – 0.60
0.30 – 0.60
0.30 – 0.60
N at 0.030 – 0.070
Phosphorous, max
0.025
0.025
0.025
0.025
0.02
Ni at 0.40 max
Sulfur, max
0.025
0.025
0.025
0.025
0.01
Al at 0.02 max
Silicon
0.50 max
0.25 – 1.00
0.50 – 1.00
0.50 max
0.20 -0.50
Cb at 0.06 – 0.10
Chromium
4.00 – 6.00
8.00 – 10.00
1.00 – 1.50
1.90 – 2.60
8.00 – 9.50
Ti at 0.01 max
Molybdenum
0.45 -0.65
0.90 – 1.10
0.44 – 0.65
0.87 – 1.13
0.85 – 1.05
Zr at 0.01 max

Tensile Requirements

 Seamless  
  P-5P-9P-11P-22P-91P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
Tensile Strength, min., psi     
 ksi
60
60
60
60
85
 MPa
415
415
415
415
585
 
Yield Strength, min., psi
 
 
 
 
 
 
 ksi
30
30
30
30
60
 
 MPa
205
205
205
205
415
 

 

NPS [DN] DesignatorTolerance, % 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)

 

Elongation Requirements

 

Calculated Minimum Elongation Values
Elongation in 2 in. or 50 mm, min %
Wall ThicknessP5, P9, P11, P22 P91
in.mmLongitudinalTransverse Longitudinal
5/16 (0.312)83020 20
9/32 (0.281)7.22819 19
1/4 (0.250)6.42718 18
7/32 (0.219)5.626  17
3/16 (0.188)4.824  16
5/32 (0.156)422  15
7/8 (0.125)3.221  14
3/32 (0.094)2.420  13
1/18 (0.062)1.618  12

 

Permissible Variations in Outside Diameter

Outside Diameter at any point shall not vary from standard specified more than:

NPS [DN] DesignatorOverUnder
 in.mmin.mm
1/8 to 1 1/2 [6 to 40], incl.1/64 (0.015)0.401/64 (0.015)0.40
Over 1 1/2 to 4 [40 to 100], incl.1/32 (0.031)0.791/32 (0.031)0.79
Over 4 to 8 [100 to 200], incl.1/16 (0.062)1.591/32 (0.031)0.79
Over 8 to 12 [200 to 300], incl.3/32 (0.093)2.381/32 (0.031)0.79
Over 12 [300]+/- 1% of the specified outside diameter

 

Mechanical Tests Specified

Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
 For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
 For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.
 Notes for Hardness Test:P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
 Notes for Bend Test:For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
  Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
  The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.
  The inside diameter of the bend shall be 1 inch [25 mm].
Hydrostatic TestEach length of pipe shall be Hydro tested, at option of manufacture, nondestructive electric testing can be used.

 

Required Markings on Each Length

(On Tags attached to each Bundle in case of Bundled Pipe) Markings will adhere to prescribed specifications in A 999/A999M and be: Rolled, Stamped, or Stenciled (Mfrs. Option)

In addition, markings will include:
 Length of pipe
Marking to indicate the test method(s)
HydrostaticNondestructiveMarking
YESNOTest Pressure
NOYESNDE
NONONH
YESYESTest Pressure/NDE
 Schedule Number
 Heat Number or Manufacturer’s number by which heat can be identified
 An Additional Symbol “S” if the pipe conforms to any Supplementary Requirements
 S1 – Product Analysis
 S2 – Transverse Tension Test
 S3 – Flattening Test
 S4 – Metal Structure and Etching Tests
 S5 – Photomicrographs
 S6 – Photomicrographs for Individual Pieces
 S7 – Alternative Heat Treatment – Grade P91
 Pipe that has been weld repaired shall be marked “WR”.

 

Alloys steel types:

NameClassAlloy Type
AISI 1330 Alloy steel Manganese steel 
AISI 1335 Alloy steel Manganese steel 
AISI 1340 Alloy steel Manganese steel 
AISI 1345 Alloy steel Manganese steel 
AISI 2330 Alloy steel Nickel steel 
AISI 3140 Alloy steel Nickel-chromium steel 
AISI 4012 Alloy steel Molybdenum steel 
AISI 4023 Alloy steel Molybdenum steel 
AISI 4024 Alloy steel Molybdenum steel 
AISI 4027 Alloy steel Molybdenum steel 
AISI 4028 Alloy steel Molybdenum steel 
AISI 4032 Alloy steel Molybdenum steel 
AISI 4037 Alloy steel Molybdenum steel 
AISI 4042 Alloy steel Molybdenum steel 
AISI 4047 Alloy steel Molybdenum steel 
AISI 4118 Alloy steel Chromium-molybdenum steel 
AISI 4130 Alloy steel Chromium-molybdenum steel 
AISI 4135 Alloy steel Chromium-molybdenum steel 
AISI 4137 Alloy steel Chromium-molybdenum steel 
AISI 4140 Alloy steel Chromium-molybdenum steel 
AISI 4142 Alloy steel Chromium-molybdenum steel 
AISI 4145 Alloy steel Chromium-molybdenum steel 
AISI 4147 Alloy steel Chromium-molybdenum steel 
AISI 4150 Alloy steel Chromium-molybdenum steel 
AISI 4161 Alloy steel Chromium-molybdenum steel 
AISI 4320 Alloy steel Nickel-chromium-molybdenum steel 
AISI 4340 Alloy steel Nickel-chromium-molybdenum steel 
AISI 4419 Alloy steel Molybdenum steel 
AISI 4422 Alloy steel Molybdenum steel 
AISI 4427 Alloy steel Molybdenum steel 
AISI 4615 Alloy steel Nickel-molybdenum steel 
AISI 4617 Alloy steel Nickel-molybdenum steel 
AISI 4620 Alloy steel Nickel-molybdenum steel 
AISI 4621 Alloy steel Nickel-molybdenum steel 
AISI 4626 Alloy steel Nickel-molybdenum steel 
AISI 4718 Alloy steel Nickel-chromium-molybdenum steel 
AISI 4720 Alloy steel Nickel-chromium-molybdenum steel 
AISI 4815 Alloy steel Nickel-molybdenum steel 
AISI 4817 Alloy steel Nickel-molybdenum steel 
AISI 4820 Alloy steel Nickel-molybdenum steel 
AISI 50100 Alloy steel Chromium steel 
AISI 5015 Alloy steel Chromium steel 
AISI 5046 Alloy steel Chromium steel 
AISI 5060 Alloy steel Chromium steel 
AISI 50B40 Alloy steel Boron steel 
AISI 50B44 Alloy steel Boron steel 
AISI 50B46 Alloy steel Boron steel 
AISI 50B50 Alloy steel Boron steel 
AISI 50B60 Alloy steel Boron steel 
AISI 51100 Alloy steel Chromium steel 
AISI 5115 Alloy steel Chromium steel 
AISI 5117 Alloy steel Chromium steel 
AISI 5120 Alloy steel Chromium steel 
AISI 5130 Alloy steel Chromium steel 
AISI 5132 Alloy steel Chromium steel 
AISI 5135 Alloy steel Chromium steel 
AISI 5140 Alloy steel Chromium steel 
AISI 5145 Alloy steel Chromium steel 
AISI 5147 Alloy steel Chromium steel 
AISI 5150 Alloy steel Chromium steel 
AISI 5155 Alloy steel Chromium steel 
AISI 5160 Alloy steel Chromium steel 
AISI 51B60 Alloy steel Boron steel 
AISI 52100 Alloy steel Chromium steel 
AISI 6118 Alloy steel Chromium-vanadium steel 
AISI 6150 Alloy steel Chromium-vanadium steel 
AISI 8115 Alloy steel Nickel-chromium-molybdenum steel 
AISI 81B45 Alloy steel Boron steel 
AISI 8615 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8617 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8620 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8622 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8625 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8627 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8630 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8637 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8640 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8642 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8645 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8650 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8655 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8660 Alloy steel Nickel-chromium-molybdenum steel 
AISI 86B45 Alloy steel Boron steel 
AISI 8720 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8740 Alloy steel Nickel-chromium-molybdenum steel 
AISI 8822 Alloy steel Nickel-chromium-molybdenum steel 
AISI 9254 Alloy steel Silicon-manganese steel 
AISI 9255 Alloy steel Silicon-manganese steel 
AISI 9260 Alloy steel Silicon-manganese steel 
AISI 9310 Alloy steel Nickel-chromium-molybdenum steel 
AISI 94B15 Alloy steel Boron steel 
AISI 94B17 Alloy steel Boron steel 
AISI 94B30 Alloy steel Boron steel 
AISI E4340 Alloy steel Nickel-chromium-molybdenum steel 

 

Principal low-alloy steels:

Principal low-alloy steels
SAE designationComposition
13xxMn 1.75%
40xxMo 0.20% or 0.25% or 0.25% Mo & 0.042% S
41xxCr 0.50% or 0.80% or 0.95%, Mo 0.12% or 0.20% or 0.25% or 0.30%
43xxNi 1.82%, Cr 0.50% to 0.80%, Mo 0.25%
44xxMo 0.40% or 0.52%
46xxNi 0.85% or 1.82%, Mo 0.20% or 0.25%
47xxNi 1.05%, Cr 0.45%, Mo 0.20% or 0.35%
48xxNi 3.50%, Mo 0.25%
50xxCr 0.27% or 0.40% or 0.50% or 0.65%
50xxxCr 0.50%, C 1.00% min
50BxxCr 0.28% or 0.50%, and added boron
51xxCr 0.80% or 0.87% or 0.92% or 1.00% or 1.05%
51xxxCr 1.02%, C 1.00% min
51BxxCr 0.80%, and added boron
52xxxCr 1.45%, C 1.00% min
61xxCr 0.60% or 0.80% or 0.95%, V 0.10% or 0.15% min
86xxNi 0.55%, Cr 0.50%, Mo 0.20%
87xxNi 0.55%, Cr 0.50%, Mo 0.25%
88xxNi 0.55%, Cr 0.50%, Mo 0.35%
92xxSi 1.40% or 2.00%, Mn 0.65% or 0.82% or 0.85%, Cr 0.00% or 0.65%
94BxxNi 0.45%, Cr 0.40%, Mo 0.12%, and added boron
ES-1Ni 5%, Cr 2%, Si 1.25%, W 1%, Mn 0.85%, Mo 0.55%, Cu 0.5%, Cr 0.40%, C 0.2%, V 0.1%

Designations

France
: AFNOR 25 CD 4 (S)
Germany
: DIN 1.7218
Italy
: UNI 25 CrMo 4 , UNI 25 CrMo 4 KB
Japan
: JIS SCCrM 1 , JIS SCM 2
Sweden: SS 2225
United Kingdom
: B.S. CDS 110
United States
: AMS 6350 , AMS 6350D , AMS 6351AMS 6360 , AMS 6360F , AMS 6361 , AMS 6362 , AAMS 6371 , AMS 6371D , AMS 6373 , AMS 6373A ,

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