ASME SA312 Seamless Pipe and A312 Welded Pipes Supplier in India

Buy Schedule 40/ 80 ASTM A312 Stainless Steel Seamless Pipe & SA312 Welded Pipe at factory price in Mumbai

A312 PIPE SPECIFICATION (GRADES 304/L & 316/L)

ASME SA/A312 Pipe refers to a specific set of standards and specifications established by the American Society of Mechanical Engineers (ASME) for seamless, welded, and heavily cold worked austenitic stainless steel pipes used in various industrial applications. The ASME SA/A312 standards are widely recognized and utilized in the design, manufacturing, and inspection of pipes that are primarily used for conveying fluids or gases in a wide range of industries, including petrochemical, chemical, pharmaceutical, food processing, and more.

Valour Alloys Inc., we carry a full inventory of ASME SA / A312 Pipe and Supply ASME SA / A312 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 / A312 Pipe with years of Experience in Manufacturing ASME SA / A312 Pipe. we offer high quality, lower cost but the best service. As a result to that our ASME SA / A312 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 / A312 Pipe Manufacturer

ASME SA / A312 Pipe Manufacturer

ASME SA / A312 Pipe Exporter

ASME SA / A312 Pipe Exporter

Scope: The ASME SA/A312 Pipe specifications cover seamless and welded pipes made from various grades of austenitic stainless steels. These pipes are designed to withstand high-temperature and corrosive environments, making them suitable for critical applications where the integrity of the pipeline is crucial.

Materials: ASME SA/A312 standards typically apply to stainless steel grades such as 304, 304L, 316, 316L, and other similar austenitic stainless steel alloys. These materials are known for their corrosion resistance, strength, and durability.

Types: ASME SA/A312 Pipe standards encompass various types of pipes, including seamless and welded pipes. Seamless pipes are manufactured without any welding seams, while welded pipes are fabricated by joining sections of stainless steel using welding processes.

Size Range: These standards specify the size range of the pipes, including nominal sizes and outside diameters, to ensure compatibility with various piping systems and applications.

Quality Control: ASME SA/A312 standards emphasize strict quality control measures, including material testing, manufacturing processes, and inspection procedures, to ensure the pipes meet the required standards for safety and performance.

Compliance: Manufacturers of ASME SA/A312 Pipe must adhere to these standards to ensure that the pipes are produced according to the specified requirements. Compliance is often demonstrated through third-party inspections and certifications.

Global Acceptance: ASME SA/A312 Pipe standards are recognized and accepted worldwide, making them a benchmark for high-quality stainless steel pipes in various industries.

ASME SA/A312 Pipe standards are crucial for ensuring the integrity and performance of stainless steel pipes used in demanding applications. They provide a comprehensive framework for the design, manufacturing, and quality control of these pipes, contributing to the safety and reliability of industrial piping systems.

Scope

This specification covers seamless, straight-seam welded, and heavily cold worked welded stainless steel pipe intended for high-temperature and general corrosive service.

Process

Pipe to be manufactured Seamless, Welded or Heavily Cold Worked

Chemical Composition of ASME SA / A312 Pipe

GradeUNS #Content % by weight
CarbonManganesePhosphorusSulfurSiliconChromiumNickelMolybdenum
TP304S304000.082.000.0450.0301.0018 – 208 – 11x
TP304LS304030.0352.000.0450.0301.0018 – 208 – 13x
TP316S316000.082.000.0450.0301.0016 – 1810 – 142 – 3
TP316LS316030.0352.000.0450.0301.0016 – 1810 – 142 – 3

Permissible Variations in Wall Thickness

Tolerance, % from Nominal
NPS DesignatorOverUnder
⅛ to 2½ incl., all t/D ratios20.012.5
3 to 18 incl., t/D up to 5% incl.22.512.5
3 to 18 incl., t/D > 5% incl.15.012.5
20 and larger, welded, all t/D ratios17.512.5
20 and larger, seamless, t/D up to 5% incl.22.512.5
20 and larger, seamless, t/D > 5%15.012.5

where:

t = Nominal Wall Thickness

D = Ordered Outside Diameter

Permitted Variations in Outside Diameter

NPS DesignatorPermissible Variations in Outside DiameterDN DesignatorPermissible Variations in Outside Diameter
Over
in.
Under
in.
Over
[mm]
Under
[mm]
⅛ – 1½, incl1⁄64 (0.015)1⁄32 (0.031)[6–40], incl[0.4][0.8]
Over 1½ to 4, incl1⁄32 (0.031)1⁄32 (0.031)Over [40 to 100][0.8][0.8]
Over 4 to 8, incl1⁄16 (0.062)1⁄32 (0.031)Over [100 to 200][1.6][0.8]
Over 8 to 18, incl3⁄32 (0.093)1⁄32 (0.031)Over [200 to 450][2.4][0.8]
Over 18 to 26, incl⅛ (0.125)1⁄32 (0.031)Over [450 to 650][3.2][0.8]
Over 26 to 34, incl5⁄32 (0.156)1⁄32 (0.031)Over [650 to 850][4.0][0.8]
Over 34 to 48, incl3⁄16 (0.187)1⁄32 (0.031)Over [850 to 1200][4.8][0.8]

Heat Treatment

All pipe shall be furnished in the heat-treated condition

Heat treat temperature for 304/L and 316/L is 1900 deg F (1040 deg C) minimum and then quenched in water or rapidly cooled.

Mechanical Properties of ASME SA / A312 Pipe

GRADE
304
GRADE
304L
GRADE
316
GRADE
316L
Tensile Strength, minimum PSI75,00070,00075,00070,000
Yield Strength, minimum PSI30,00025,00030,00025,000

Hydrostatic or Nondestructive Electric Test

Each pipe shall be subjected to the nondestructive electric test or the hydrostatic test. The type of test to be used will be at the option of the manufacturer unless otherwise specified in the purchase order.

Referenced Documents

ASTM Standards

  • A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
  • A370 Test Methods and Definitions for Mechanical Testing of Steel Products
  • A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
  • A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe
  • A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes
  • E112 Test Methods for Determining Average Grain Size
  • E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
  • E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

ASME Standards:

  • B1.20.1 Pipe Threads, General Purpose
  • B36.10M Welded and Seamless Wrought Steel Pipe
  • B36.19 Stainless Steel Pipe
  • ASME Boiler and Pressure Vessel Code: Section VIII4

ASME SA / A312 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 / A312 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 / A312 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 / A312 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 / A312 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 / A312 Pipe to Countries -

We Export ASME SA / A312 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 / A312 Pipe to Cities -

We Export ASME SA / A312 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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