ASTM A335 MATERIAL SUPPLIERS, CHROMIUM MOLYBDENUM STEEL PIPE
EXPORTER & MANUFACTURER OF ASTM A335 PIPE, CHROMIUM ALLOY STEEL PIPE, CHROMIUM MOLYBDENUM ALLOY PIPE, CHROMIUM MOLYBDENUM STEEL GRADES
ASME SA/A335 is a specification developed by the American Society of Mechanical Engineers (ASME) and the American Society for Testing and Materials (ASTM) to define the standards for seamless ferritic alloy steel pipe used in high-temperature and high-pressure applications. This specification covers various grades of alloy steel pipes designed for services such as power generation, petrochemical plants, and other industrial processes where elevated temperatures and pressure conditions are encountered.
Valour Alloys Inc., we carry a full inventory of ASME SA / A335 Pipe and Supply ASME SA / A335 Pipe products in a variety of sizes widely used for marine applications due to their excellent resistance to seawater corrosion, low macrofouling rates, and good fabricability.
We are specializes in ASME SA / A335 Pipe with years of Experience in Manufacturing ASME SA / A335 Pipe. we offer high quality, lower cost but the best service. As a result to that our ASME SA / A335 Pipe export account today is in various countries like Iran, Iraq, Kuwait, Saudi Arabia, Oman, UAE, Singapore, Malaysia, Indonesia, South korea, Chile, Peru, Venezuela, Australia, Nigeria, Angola, Senegal, Mozambique, Algeria, Libya, Azerbaijan, Netherlands, Brazil, Norway, United Kingdom, Mexico, Canada etc.
ASME SA / A335 Pipe Manufacturer
ASME SA / A335 Pipe Exporter
Purpose: ASME SA/A335 pipes are primarily designed for conveying high-temperature and high-pressure fluids and gases in critical industrial applications. They are widely used in industries like power generation, oil and gas, chemical processing, and more.
Material: These pipes are constructed from ferritic alloy steel, which contains various alloying elements like chromium, molybdenum, and sometimes vanadium. These alloying elements enhance the mechanical properties of the pipe and improve its resistance to high-temperature corrosion and creep deformation.
Types: ASME SA/A335 pipes come in two main types - seamless and welded. The seamless pipes are preferred for most high-temperature applications due to their superior strength and resistance to cracking, while welded pipes are suitable for less critical applications.
Grades: The specification includes different grades of alloy steel, each with specific properties and intended uses. Some common grades include P5, P9, P11, P22, and P91, among others. These grades differ in terms of their alloying elements and performance characteristics.
Size Range: ASME SA/A335 pipes are available in various sizes and dimensions to meet the diverse needs of industrial applications. The size range typically includes nominal pipe sizes from 1/8 inch to 24 inches.
Standards: These pipes adhere to stringent manufacturing and testing standards established by ASME and ASTM. They undergo various tests such as tensile, hardness, impact, and non-destructive examinations to ensure their quality and integrity.
Corrosion Resistance: These pipes are known for their excellent resistance to high-temperature corrosion and oxidation, making them suitable for prolonged exposure to elevated temperatures.
Weldability: ASME SA/A335 pipes are designed to be easily weldable, allowing for the construction of complex piping systems and components.
ASME SA/A335 pipes are a vital component in industries requiring reliable and durable piping solutions for high-temperature and high-pressure environments. Their use is governed by strict standards to ensure safety and performance in demanding industrial applications.
A335 PIPE SPECIFICATIONS
A/SA335
NPS 1/4″ – 24″
Schedules 40 through 160, STD, XH and XXH
Scope
This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. ASTM A335 pipe ordered to this specification shall be suitable for fusion welding, bending, flanging (vanstoning), and similar forming operations.
Material & Manufacture
Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment Requirements
| P5, P9, P11, and P22 | |||
| Grade | Heat Treatment Type | Normalizing Temperature Range F [C] | Subcritical Annealing or Tempering Temperature Range F [C] |
| P5 (b,c) | Full or Isothermal Anneal, or | ||
| Normalize and Temper | ***** | 1250 [675] | |
| Subcritical Anneal (P5c only) | ***** | 1325 – 1375 [715 – 745] | |
| P9 | Full or Isothermal Anneal, or | ||
| Normalize and Temper | ***** | 1250 [675] | |
| P11 | Full or Isothermal Anneal, or | ||
| Normalize and Temper | ***** | 1200 [650] | |
| P22 | Full or Isothermal Anneal, or | ||
| Normalize and Temper | ***** | 1250 [675] | |
| P91 (type 1 and 2) | Normalize and Temper, or | 1900-1975 [1040 – 1080] | 1350-1470 [730 – 800] |
| Quench and Temper | 1900-1975 [1040 – 1080] | 1350-1470 [730 – 800] |
Chemical Requirements
| Grade | P5 | P9 | P11 | P22 | P91 (type 1) | P91 type 1 shall also include the following: | P91 (type 2) | P91 type 2 shall also include the following | P91 type 2 continued | ||
| Element | UNS | K41545 | K90941 | K11597 | K21590 | K91560 | K91560 | ||||
| 0.15 max | 0.15 max | 0.05 – 0.15 | 0.05 – 0.15 | 0.08 – 0.12 | V at 0.18 – 0.25 | Heat: 0.08 – 0.12 Product: 0.07 – 0.13 | V (heat) at 0.18 – 0.25 V (product) at 0.16 – 0.27 | N / Al ration ≥ 4.0 | |||
| 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 | 0.30 – 0.50D | N at 0.035 – 0.070D | Sn at 0.01 maxD | |||
| 0.025 | 0.025 | 0.025 | 0.025 | 0.020 | Ni at 0.40 max | 0.20D | Ni at 0.02 maxD | Sb at 0.003 maxD | |||
| 0.025 | 0.025 | 0.025 | 0.025 | 0.010 | Al at 0.02 max | 0.005D | Al at 0.02 maxD | As at 0.010 maxD | |||
| 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 | 0.20 – 0.40D | Cb (heat) at 0.06 – 0.1 Cb (product) at 0.05 – 0.11 | B at 0.001 maxD | ||
| 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 | 8.00 – 9.50D | Ti at 0.01 maxD | W at 0.05 maxD | |||
| 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 | Heat: 0.85 – 1.05 Product: 0.80 – 1.05 | Zr at 0.01 maxD | Cu at 0.10 maxD | |||
| DApplies to both heat and product analyses. | |||||||||||
Tensile Requirements
| Seamless | ||||||||
| P5 | P11 | P22 | P91 (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 | ||||||||
| 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 | |||
Permissible Variation in Wall Thickness
| NPS [DN] Designator | Tolerance, % 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 Thickness | P5, P9, P11, P22 | P91 (type 1 and 2) | |||
| in. | mm | Longitudinal | Transverse | Longitudinal | |
| 5/16 (0.312) | 8 | 30 | 20 | 20 | |
| 9/32 (0.281) | 7.2 | 28 | 19 | 19 | |
| 1/4 (0.250) | 6.4 | 27 | 18 | 18 | |
| 7/32 (0.219) | 5.6 | 26 | 17 | ||
| 3/16 (0.188) | 4.8 | 24 | 16 | ||
| 5/32 (0.156) | 4 | 22 | 15 | ||
| 7/8 (0.125) | 3.2 | 21 | 14 | ||
| 3/32 (0.094) | 2.4 | 20 | 13 | ||
| 1/18 (0.062) | 1.6 | 18 | 12 | ||
Permissible Variations in Outside Diameter
Outside Diameter at any point shall not vary from standard specified more than:
| NPS [DN] Designator | Over | Under | ||
| in. | mm | in. | mm | |
| 1/8 to 1 1/2 [6 to 40], incl. | 1/64 (0.015) | 0.40 | 1/64 (0.015) | 0.40 |
| Over 1 1/2 to 4 [40 to 100], incl. | 1/32 (0.031) | 0.79 | 1/32 (0.031) | 0.79 |
| Over 4 to 8 [100 to 200], incl. | 1/16 (0.062) | 1.59 | 1/32 (0.031) | 0.79 |
| Over 8 to 12 [200 to 300], incl. | 3/32 (0.093) | 2.38 | 1/32 (0.031) | 0.79 |
| Over 12 [300] | +/- 1% of the specified outside diameter | |||
Mechanical Tests Specified
| Transverse or Longitudinal Tension Test, Hardness Test, and Flattening 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. | ||||||||
| Unless otherwise specified, the flattening test or bend test shall be chosen at the manufacturer’s option. |
Reference Documents
Ordering Information
Orders for material under this specification should include the following, as required, to describe the desired material adequately:
| Quantity | Feet, meters, or number of lengths |
| Name of material | Seamless Alloy Steel Pipe |
| Grade | P5, P9, P11, P22, P91 (type 1 or 2) |
| Manufacturer | Hot-finished or cold-drawn |
| Size using one of the following: | |
| NPS and Schedule Number | |
| Outside Diameter and Nominal Wall Thickness | |
| Outside Diameter and Minimum Wall Thickness | |
| Inside Diameter and Nominal Wall Thickness | |
| Inside Diameter and Minimum Wall Thickness | |
| Length | Specific or Random |
| End Finish | |
ASME SA / A335 Pipe Application
- Oil and Gas equipments
- Offshore Technology
- Seawater Desalination Plants
- Chemical Industry
- Airport, Malls, Buildings
- Storage Tanks
- Medical Industry
- Civil Engineering
- Pressure vessels, Reactor tanks, and Heat exchangers
- Rotors, impellers and shafts
- Power Plants
- Petrochemical
- Shipbuilding Industry
- Mining Industry
- Food Equipments Industry
Test Certificates
We ASME SA / A335 Pipe with the following details Mill Test Certificate according to EN 10204 3.1, PMI Test, Test Report from NABL Approved Lab, 3.2 Certification by External Testing Authority third, ultrasonic test report, and X-ray report.
Quality Assurance
At ASME SA / A335 Pipe all types of Such as ASTM A53/ASME SA53 steel pipes and tubes, ASTM A106/ASME SA106 seamless carbon steel pipe, ASTM A179/ASME SA179 cold drawn seamless carbon pipe, ASTM A192/ASME SA192 seamless carbon steel boiler tube from raw material purchase to production and product shipping. They are visually inspected for compliance with ASTM, ASME, DIN, EN and JIS codes and standards. We can also designate certified official testing agencies upon customer request so that they can witness the product's material, size and quality compliance reports.
Marking & Packing
Our ASME SA / A335 Pipe is packaged to ensure no damage during transit. In the case of export, the standard export packing is in a wooden box. All ASME SA / A335 Pipe are marked with our grade, batch number, size and mark. We can also do custom branding on our products as per buyer's unique requirements
Supplying ASME SA / A335 Pipe to Countries -
We Export ASME SA / A335 Pipe to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East Etc.
Distributing ASME SA / A335 Pipe to Cities -
We Export ASME SA / A335 Pipe to Navi Mumbai, Indore, Baroda, Muscat, Secunderabad, Gimhae-si, Kanpur, Colombo, Kuala Lumpur, Bhopal, Pimpri-Chinchwad, Rajkot, Haryana, Hanoi, Ernakulam, Chandigarh, Surat, Los Angeles, Hong Kong, Ahmedabad, Perth, Petaling Jaya, Hyderabad, Mumbai, Algiers, Edmonton, Ludhiana, Ho Chi Minh City, Karachi, Bangkok, Dallas, Bengaluru, Jakarta, Granada, Seoul, Cairo, Geoje-si, Rio de Janeiro, Abu Dhabi, Port-of-Spain, Sydney, London, Courbevoie, Vung Tau, Sharjah, Jaipur, Lahore, Chennai, Istanbul, Lagos, Thane, Dubai, Coimbatore, La Victoria, Calgary, Jeddah, Busan, Mexico City, Al Khobar, Caracas, Singapore, Atyrau, Manama, Kolkata, Riyadh, Jamshedpur, Brisbane, Toronto, Noida, Ahvaz, Vadodara, Doha, Visakhapatnam, Ulsan, New Delhi, Gurgaon, Bogota, Howrah, Moscow, Nashik, Ranchi, Nagpur, Al Jubail, Houston, Milan, Chiyoda, Aberdeen, Melbourne, New York, Dammam, Montreal, Santiago, Kuwait City, Pune, Tehran, Thiruvananthapuram, Faridabad, Madrid, Ankara Etc.
Frequently Ask Questions (FAQ)
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