What is ASTM A691 pipe, and what are its key features?
ASTM A691 pipe is a specification established by the American Society for Testing and Materials (ASTM) that outlines the requirements for electric-fusion-welded (EFW) carbon and alloy steel pipe suitable for high-temperature service. This type of pipe is commonly used in industries such as oil and gas, power generation, and petrochemicals.

The key features of ASTM A691 pipe include its ability to withstand high temperatures and pressures, making it ideal for applications where the transportation of fluids or gases at elevated temperatures is required. It is designed to have excellent strength and durability, ensuring reliable performance even in demanding environments. ASTM A691 pipe offers good corrosion resistance, which is crucial for applications involving exposure to harsh chemicals or corrosive substances.

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ASTM A691 Alloy Steel Pipes, A691 CL22 Pipe, Alloy Steel ASME SA 691 Pipes, ASME SA 691 Alloy Steel Pipe, Alloy Steel A691 Pipes, ASTM A691 Pipe, ASTM A691 Pipe Supplier In Mumbai, India.

ASTM A691 pipe is available in various grades, allowing users to choose the most suitable option based on specific project requirements. These grades can differ in alloying elements, mechanical properties, and heat treatment, enabling customization to meet the needs of different industries and applications.

ASTM A691 pipe provides a reliable and robust solution for high-temperature service, combining strength, durability, and corrosion resistance to ensure efficient and safe fluid transportation in industrial settings.

How does ASTM A691 pipe compare to other types in strength and durability?
Regarding strength and durability, ASTM A691 pipe stands out as a reliable option compared to other types of pipes. Its electric-fusion-welded (EFW) construction offers excellent structural integrity and the ability to withstand high pressure and temperature levels. That makes it particularly suitable for applications in industries such as oil and gas, power generation, and petrochemicals, where the transportation of fluids or gases at elevated temperatures is required.

Compared to traditional seamless pipes, ASTM A691 pipe provides comparable strength and performance while offering potential cost savings. Its welded construction allows for efficient production and larger diameters, making it suitable for projects that require a high flow rate or large-volume transportation.

Specification Of ASTM A691 Pipe

Pipe Standard ASTM A691 ASME SA691
Pipe Dimension ANSI/ASME B36.19M, ANSI/ASME B36.10M
Pipe Sizes 1 / 2" NB - 24" NB
Pipe Outside Diameter 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Steel Pipe Manufacturing Process Seamless / Welded / Fabricated / CDW / 100% X Ray Welded
Alloy Steel Pipe Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipe Ends Half Hard, Soft, Hard, Quarter Hard, Spring Hard
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

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Types Of ASTM A691 Pipes

ASTM A691 Round Pipe

ASTM A691 Round Pipe

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ASTM A691 Square Pipe

ASTM A691 Square Pipe

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ASTM A691 Rectangular Pipe

ASTM A691 Rectangular Pipe

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ASTM A691 Polished Pipe

ASTM A691 Polished Pipe

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Widest Range of ASTM A691 Pipes in Mumbai, India.

  • Widest RangeSchedule 5 ASTM A691 Pipe
  • Widest RangeSchedule 10 ASTM A691 Pipe
  • Widest RangeSchedule 40 ASTM A691 Pipe
  • Widest RangeSchedule 80 ASTM A691 Pipe
  • Widest RangeSchedule 160 ASTM A691 Pipe
  • Widest RangeSchedule XXS ASTM A691 Pipe
  • Widest RangeSchedule XS ASTM A691 Pipe
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  • Widest RangeASTM A691 Heavy Wall Pipe
  • Widest RangeASTM A691 Cold Drawn Pipe

Check Other Pipes Types In Detail

ASTM A691 Pipes Equivalent Grades

Pipe Grade
Type of Steel
ASTM Specification
HB, max
Number
Grade
CM-65 carbon-molybdenum steel A204/A204M A 201
CM-70 carbon-molybdenum steel A204/A204M B 201
CM-75 carbon-molybdenum steel A204/A204M C 201
CMSH-70 carbon-manganese-silicon steel, normalized A537/A537M 1
CMS-75 carbon-manganese-silicon steel A299/A299M
CMSH-80 carbon-manganese-silicon steel, quenched and tempered A537/A537M 2
1/2 CR 1/2 % chromium, 1/2 % molybdenum steel A387/A387M 2 201
1 CR 1 % chromium, 1/2 % molybdenum steel A387/A387M 12 201
1 1/4 CR 1 1/4 % chromium, 1/2 % molybdenum steel A387/A387M 11 201
2 1/4 CR 2 1/4 % chromium, 1 % molybdenum steel A387/A387M 22 201
3 CR 3 % chromium, 1 % molybdenum steel A387/A387M 21 201
5 CR 5 % chromium, 1/2 % molybdenum steel A387/A387M 5 225
9 CR 9 % chromium, 1 % molybdenum steel A387/A387M 9 241
91 9 % chromium, 1 % molybdenum, vanadium, columbium A387/A387M 91 241

ASTM A691 High Pressure Pipe, Schedule 10 ASTM A691 Pipe Pressure Rating, 16 Gauge ASTM A691 Pipe, ASTM A691 Pipe Sizes, ASTM A691 Pipe Dimensions, ASTM A691 Pipe Exporter In India

ASTM A691 Pipes Price

Product Price
Alloy Steel ASTM A691 Square Pipe Price List US $ 27 - 42 / kg
Custom Size 4 Inch Alloy A691 Pipes Price US $ 1310 - 13500 / Ton
ASTM A691 SCH 5S Plain End ASTM A691 Pipe Price List $750.00 - $1,630.00/ Ton
ASTM A691 Pipe Price Per KG $1800.00 - $2510.00/ Ton
ASTM A691 Alloy Steel Pipe Price US $ 1530 - 3720 / Ton
ASTM A691 Pipe Price List $1230 - 1650/ Ton
Schedule 10 ASTM A691 Pipes Price $1,950.00 - $2,960.00/ Ton
20mm Diameter Polished ASTM A691 Pipes Price $760.00 - $1,590.00/ Ton
Alloy Steel ASTM A691 Pipe Price US $ 1620 - 3860 / Ton

For Quatation & Questions Related To ASTM A691 Pipes

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ASTM A691 Pipe Manufacturing Process

Rolling and welding

Firstly, the Alloy Steel strips are made to gone through various quality checks and are trimmed at edges. They are then fed to the tubes mill by Alloy Steel pipe manufacturers in India. The strips pass through the number of rollers as per the required size. In the tubes-mill, the strip is gradually converted into the tubular shape. The fitted welding machine is then used to weld trim edges of the strip using TIG welding process. The scraps and inside weld bead are removed instantaneously by the Tibo machine. In this way, rolled pipes and tubes are formed.

The cleaning and heating phase

The rolled Alloy Steel pipes thus manufactured are cut to the required lengths depending upon the industrial demand. These Alloy Steel pipes and tubes are then subjected to cleaning to remove the dirt. Further, a heat treatment is given to these rolled pipes and tubes to remove the stresses that may occur due to welding and formation processes. Heat treatment is given on the continuously rolling hearth furnace. The furnace is fitted with temperature recorders and controllers. After the heat treatment process, the Alloy Steel tubes and pipes are straightened and subjected to pickling for removing scales from the surface.

Cold- drawing process

In some cases, the required size may not be obtained from the mill directly. Then, the cold operation process can be used to obtain the desired size. In cold drawing process, the tubes or pipes are coated with oxalic and soap solution. This solution acts as a lubricant to reduce friction while cold drawing operation. In the cold drawing process, the tube or pipe is drawn over the bench using Die plugs.

Finishing process

The drawn-out tube or Alloy pipe is then subjected to cleaning, heat treatment, pickling and straightening. The computerized ink jet marking machine is used to do the marking on the finished pipes or tubes. The pipe or tube is marked with grade of material, size, heat number and the stamp of third party inspection before passing on to Alloy Steel pipe exporters. The Alloy Steel tubes or pipes thus produced will undergo certain testing and quality checks. This process is followed by proper packing and dispatch. There are numerous numbers of Alloy Steel pipe applications, these pipes and tubes are used thereafter for.

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Chemical Composition Of ASTM A691 Pipe

1CR 1-1/4CR 2-1/4 CR 5 CR 9 CR 91
C 0.05-0.17 0.05-0.17 0.05-0.15 0.15 0.15 0.08-0.12
Mn 0.40-0.65 0.40-0.65 0.30-0.60 0.30-0.60 0.30-0.60 0.30-0.60
P 0.025 0.025 0.025 0.025 0.025 0.020
S 0.025 0.025 0.025 0.025 0.025 0.010
Si 0.15-0.40 0.50-0.80 0.50 0.50 1.00 0.20-0.50
Cr 0.80-1.15 1.00-1.50 2.00-2.50 4.00-6.00 8.00-10.00 8.00-9.50
Mo 0.45-0.60 0.45-0.65 0.90-1.10 0.45-0.65 0.90-1.10 0.85-1.05
V 0.04 0.18-0.25

Mechanical Properties Of ASTM A691 Piping

Class Heat Treatment on Pipe Section see: Radiography,
see Section
Pressure
Test, see :
10 none none none
11 none 9 none
12 none 9 8.3
13 none none 8.3
21 stress relieved, see 6.3.1 none none
21 stress relieved, see 6.3.1 9 none
22 stress relieved, see 6.3.1 9 8.3
23 stress relieved, see 6.3.1 none 8.3
31 normalized, see 6.3.2 none none
31 normalized, see 6.3.2 9 none
32 normalized, see 6.3.2 9 8.3
33 normalized, see 6.3.2 none 8.3
40 normalized and tempered, see 6.3.3 none none
43 normalized and tempered, see 6.3.3 9 none
43 normalized and tempered, see 6.3.3 9 8.3
43 normalized and tempered, see 6.3.3 none 8.3
50 quenched and tempered, see 6.3.4 none none
51 quenched and tempered, see 6.3.4 9 none
52 quenched and tempered, see 6.3.4 9 8.3
53 quenched and tempered, see 6.3.4 none 8.3
60 normalized and precipitation heat none none treated none none
61 normalized and precipitation heat none none treated 9 none
62 normalized and precipitation heat none none treated 9 8.3
63 normalized and precipitation heat none none treated none 8.3
70 normalized and precipitation heat none none treated none none
71 normalized and precipitation heat none none treated 9 none
72 normalized and precipitation heat none none treated 9 8.3
73 normalized and precipitation heat none none treated none 8.3

Testing & Inspection of ASTM A691 Pipes

Testing (Destructive, Non Destructive)

Macro Test Dye Penetrant Test (DP Test)
Pitting Resistance Test Eddy Current Testing
Mechanical Testing Such as Tensile, Elongation, Reduction of Area Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
Positive Material Identification – PMI Testing Hydrostatic Test
Chemical Analysis – Spectro Analysis Hydrogen-Induced Cracking (HIC) Test
Micro Test Radiography Test
Intergranular Corrosion (IGC) Test Impact Test
Flaring Test Bend Test
Flattening Test
Hardness Test Ultra Sonic Test (UT)

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Supply Cities Of ASTM A691 Pipes

The cities listed here are where we have supplied our ASTM A691 pipes in bulk or small orders. Cities from metropolitan to rural areas we can provide ASTM A691 pipes to satisfy the needs of our clients.

Sharjah, La Victoria, Tehran, Mumbai, Indore, Algiers, Vadodara, Chandigarh, Hanoi, Madrid, Pimpri-Chinchwad, Ahmedabad, Singapore, Abu Dhabi, Visakhapatnam, Istanbul, Thiruvananthapuram, Sydney, New Delhi, Howrah, Thane, Vung Tau, Petaling Jaya, Moscow, Chennai, Bangkok, Milan, Courbevoie, Kanpur, Santiago, Ranchi, Faridabad, Surat, Nashik, Coimbatore, Riyadh, Doha, London, Perth, Brisbane, Rajkot, Gimhae-si, Karachi, Kuala Lumpur, Noida, Caracas, Jakarta, Lagos, Aberdeen, Ankara, Kolkata, Cairo, Montreal, Dubai, Bogota, Al Jubail, Jeddah, Gurgaon, Baroda, Al Khobar, Bhopal, Ludhiana, Kuwait City, Bengaluru, Navi Mumbai, Los Angeles, Port-of-Spain, Hong Kong, Mexico City, Toronto, Chiyoda, Edmonton, Ahvaz, Hyderabad, Muscat, Mumbai, Seoul, Melbourne, Secunderabad, Pune, Ho Chi Minh City, Calgary, Granada, Dallas, Jamshedpur, Nagpur, Atyrau, Geoje-si, Rio de Janeiro, Manama, Colombo, New York, Lahore, Houston, Ulsan, Busan, Haryana, Dammam, Ernakulam, Jaipur.

Documents Provided at the time of Domestic Sales or Export of ASTM A691 Pipes

Certificate of Origin Raw Material Test Reports
Commercial Invoice Heat Treatment Charts
Packing List Quality Assurance Plan (QAP)
Fumigation Certificates NABL approved Laboratory Test Reports
Letter of Guarantee Material Test Certificates
ROHS Certificate Certificate of Compliance/Conformity

Application Industries We Supply ASTM A691 Pipes

ASTM A691 Pipes For Technology, ASTM A691 Pipes For Health care, ASTM A691 Pipes For Agriculture, ASTM A691 Pipes For Factory, ASTM A691 Alloy Steel Pipes For Mining, ASTM A691 Pipes For Energy, ASTM A691 Pipes For Pharmaceutical Industry, ASTM A691 Pipes For Tertiary Sector, ASTM A691 Pipes For Food Industry, ASTM A691 Pipes For Transport, ASTM A691 Pipes For Manufacturing, ASTM A691 Pipes For Production, ASTM A691 Pipes For Real Estate, Alloy Steel Astm A691 Pipes For Textile Industry, ASTM A691 Alloy Steel Pipes For Engineering, ASTM A691 Pipes For Electronics, Alloy Steel Astm A691 Pipes For Construction, ASTM A691 Pipes For Chemical Industry, Alloy Steel Astm A691 Pipes For Waste, ASTM A691 Pipes For Pulp and Paper Industry, ASTM A691 Pipes For Rail Transport.

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