Stainless Steel ERW Pipe

AttributeDetails
StandardASTM A312, ASTM A269, ASTM A358, ASME SA312, ASME SA269, ASME SA358, ISO 9001
Pipe TypeERW (Electric Resistance Welded)
GradesSS 304, SS 304L, SS 316, SS 316L, SS 321, SS 347, Duplex Stainless Steel
DimensionsOutside Diameter (OD): 1/2" to 36" (custom sizes available)
Wall ThicknessSchedule 10 to Schedule 160 (custom thickness available)
LengthStandard Lengths: 6 meters, 12 meters (custom lengths available)
Manufacturing ProcessElectric Resistance Welding (ERW), Cold Drawn, Hot Finished
MaterialStainless Steel (304, 304L, 316, 316L, 321, 347, Duplex, etc.)
Surface FinishMill Finish, Pickled & Passivated, Polished, Bright Annealed
End TypePlain End, Beveled End, Threaded End, Socket Weld End
CertificationISO 45001/14001/9001, CE
Categories: ,

Description

Product Description

Stainless Steel Electric Resistance Welded (ERW) pipes are a popular choice across industries due to their cost-effectiveness, strength, and versatility. These pipes are manufactured by rolling stainless steel plates or sheets and welding the seam using an electric resistance welding process, resulting in a strong and uniform joint. Stainless Steel ERW pipe are widely used in industries like oil and gas, petrochemical, water treatment, power generation, and construction. Their excellent corrosion resistance makes them ideal for transporting liquids and gases in both corrosive and non-corrosive environments. Additionally, their lightweight construction and smooth surface finish ensure efficient flow and easy installation.

One of the most commonly used grades for Stainless Steel ERW pipes is 304. Known for its excellent corrosion resistance and mechanical properties, 304 stainless steel is suitable for applications in mild environments as well as moderately aggressive conditions. For enhanced resistance to pitting and chloride-induced corrosion, 316 stainless steel is often used, especially in marine and chemical processing industries.

These pipes are available in a variety of sizes, wall thicknesses (schedules), and lengths to meet diverse application requirements. They conform to international standards such as ASTM A312, ensuring precise dimensions and consistent quality. Stainless Steel ERW pipes undergo rigorous testing, including hydrostatic testing, ultrasonic testing, and chemical analysis, to meet safety and performance standards.

The advantages of Stainless Steel ERW pipes include high strength, excellent weldability, and low maintenance. They offer a cost-effective solution without compromising on quality, making them a preferred choice for structural and fluid transport applications.

Stainless Steel ERW Pipe Dimensions

Nominal Pipe Size (NPS)Outer Diameter (OD)Wall Thickness (Schedule)Weight (kg/m)
1/2"21.34 mmSCH 10 (1.65 mm)0.84
SCH 40 (2.77 mm)1.28
3/4"26.67 mmSCH 10 (1.65 mm)1.11
SCH 40 (2.87 mm)1.59
1"33.40 mmSCH 10 (2.11 mm)1.66
SCH 40 (3.38 mm)2.41
1-1/2"48.26 mmSCH 10 (2.77 mm)3.09
SCH 40 (3.68 mm)3.94
2"60.33 mmSCH 10 (2.77 mm)3.99
SCH 40 (3.91 mm)5.42
3"88.90 mmSCH 10 (3.05 mm)6.89
SCH 40 (5.49 mm)12.09
4"114.30 mmSCH 10 (3.05 mm)8.99
SCH 40 (6.02 mm)14.98
6"168.28 mmSCH 10 (3.40 mm)14.97
SCH 40 (7.11 mm)28.26

Notes:

  1. Standards: Dimensions are based on ASTM A312.
  2. Grades: Common grades include SS 304, SS 316, and others as per specific requirements.
  3. Schedules: Wall thickness depends on schedule classifications (SCH 10, SCH 40, etc.).
  4. Weights: Approximate values; actual weight may vary based on manufacturing and grade.

Key Features of Stainless Steel ERW Pipe

  • Corrosion Resistance: Exceptional resistance to rust, oxidation, and harsh chemicals.
  • High Strength: Durable and robust for demanding applications.
  • Smooth Finish: Ensures efficient flow of fluids and gases.
  • Versatility: Available in various grades like SS 304 and SS 316 for different environments.
  • Cost-Effective: Affordable compared to seamless pipes while maintaining quality.
  • Compliance: Manufactured to ASTM A312 standards for precise dimensions and reliability.

Applications of Stainless Steel ERW Pipe

  • Oil & Gas: Transportation of oil, gas, and other fluids.
  • Water Treatment: Piping systems for desalination plants and water processing units.
  • Construction: Structural supports and architectural uses.
  • Food & Beverage: Hygienic transport of liquids in processing plants.
  • Chemical Processing: Handling corrosive chemicals in manufacturing setups.
  • Power Plants: Steam piping and utility lines.
  • Automotive & Railways: Exhaust systems and structural components.

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