ASTM A691 / ASME SA 691 Gr.9CR Welded Pipes

When selecting the right type of pipe for specific industrial applications, the ASTM A691 Grade 9CR Alloy Steel Welded Pipe is one of the best options. This type of pipe is known for its high strength, durability, and corrosion resistance, making it an ideal choice for various projects. ASTM A691 Grade 9CR Alloy Steel Welded Pipe is available in various types, including seamless and welded. It is also available in different sizes and thicknesses, varying from 1/8 inch to 48 inches. The most commonly used ASTM A691 Grade 9CR Alloy Steel Welded Pipe types include ERW, LSAW, and SSAW. ERW (Electric Resistance Welding) pipes are formed by rolling plates and welding the seam by electric resistance welding. LSAW (Longitudinal Submerged Arc Welding) pipes are produced by bending and molding steel plates into complex shapes, while SSAW (Spiral Submerged Arc Welding) pipes are created by forming a spiral from a coiled steel plate and welding the seam.

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ASME SA691 Grade 9CR Alloy Steel Welded Pipe is commonly used in various applications, including oil and gas exploration, chemical processing, power generation, nuclear power plants, and aerospace. They are particularly useful in high-temperature and high-pressure environments, providing superior heat resistance, corrosion, and erosion resistance. The ASME SA691 Grade 9CR Alloy Steel Welded Pipe is also an excellent choice for pipeline transportation, especially for conveying flammable and combustible fluids requiring high strength and durability.

There are many benefits to using ASTM A691 Grade 9CR Alloy Steel Welded Pipe. Firstly, it provides excellent resistance to corrosion, erosion, and heat, making it ideal for use in harsh environments. Secondly, it has a high strength-to-weight ratio, making it lightweight and easy to install. Thirdly, it is cost-effective, requiring less maintenance than other metal pipes. Fourthly, it is available in various sizes and thicknesses, making it suitable for various applications. It is long-lasting, ensuring the project will remain functional and reliable for many years.

ASTM A691 Grade 9CR Alloy Steel Welded Pipe is an excellent choice for many applications, thanks to its high strength, durability, and corrosion resistance. It is available in various types, sizes, and thicknesses, making it ideal for various project needs. With its many benefits, there is no doubt that this type of pipe will continue to be in high demand in various industries.


ASTM A691 GR.9CR Welded Pipes offer excellent resistance to high-temperature & high-pressure environments, making them suitable for use in critical applications where reliability and durability are essential.

ASTM A691 GR.9CR Welded Pipes are used in high-temperature service applications in industries such as oil and gas, petrochemical & power generation.

ASTM A691 GR.9CR Welded Pipes can withstand temperatures up to 650°C (1200°F) in continuous service and up to 705°C (1300°F) in intermittent service.

Specification of ASTM A691 / ASME SA691 Alloy Steel Gr.9CR Welded Pipes

Spec bag
Specifications : ASTM A691 / ASME SA691
Dimension Standard : ANSI B36.19M, ANSI B36.10
Welded Pipe Range : 1/2~24,24~80 inch
Wall Thickness : 2mm TO 100mm
Length : 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size.
End : Plain End, Beveled End, Treaded

Types of ASTM A691 / ASME SA691 Alloy Steel Gr.9CR Welded Pipes

Alloy Steel Gr.9CR Welded Pipes

ASTM A691 / ASME SA691 Grade 9 CR Welded Pipes

  • - ASTM A691 Gr.9CR Welded Pipes
  • - A691 Gr 9CR Chromium Molybdenum Steel Welded Pipes
  • -SA691 Cr-Mo Grade 9CR Welded Pipes
  • - ASME SA691 Grade 9CR Alloy Steel Welded Pipe
  • - SA691 CrMo Grade 9CR Welded Pipes
  • - ASTM A691 Alloy Steel Gr.9CR Welded Pipes Supplier
  • - A691 Alloy Steel Grade 9CR Welded Pipe Manufacturer
Alloy Steel Gr.9 CR ERW Pipes

ASTM A691 / ASME SA691 Grade 9CR ERW Pipes

  • - ASTM A691 Gr.9CR ERW Pipes
  • - A691 Gr 9CR Chromium Molybdenum Steel ERW Pipes
  • -SA691 Cr-Mo Grade 9CR ERW Pipes
  • - ASME SA691 Grade 9CR Alloy Steel ERW Pipe
  • - SA691 CrMo Grade 9CR Electric Resistance Welded Pipes
  • - ASTM A691 Alloy Steel Gr.9CR ERW Pipes Supplier
  • - A691 Alloy Steel Gr 9CR Electric Resistance Welded Pipes Manufacturer

ASTM A691 / ASME SA691 Alloy Steel Gr.9 CR Welded Pipes Chemical Composition

Grade C, % Mn, % P, % S, % Si, % Cr, % Mo, % V,%
9 CR 0.15 0.30-0.60 0.025 0.025 1.00 8.00-10.00 0.90-1.10 0.04

Mechanical Properties of ASTM A691 / ASME SA691 Alloy Steel Gr.9CR Welded Pipe

Grade Tensile Strength, MPa Yield Strength, MPa Elongation, %
9 CR 585-760 415 min 18

Application Industries

  • Refineries
  • Petrochemicals Industry
  • Oil & Gas Industry
  • Mining
  • Construction
  • Pharmaceuticals
  • Automobile