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Database: 365,228(8 Aug 2026)

large diameter

large diameter, Total:54 items.

The international standard classification for "large diameter" includes: Flanges, couplings and joints , Seals for pipe and hose assemblies , Steel wire, wire ropes and link chains , Equipment for the chemical industry , Construction technology , Non-destructive testing , Steels pipes and tubes for specific use .

The Chinese standard classification for "large diameter" includes: Pipeline fittings , Steel wire and wire rope , Chemical machinery and equipment parts , Subgrade and foundation engineering , Forging and pressing , Basic standards and general methods , Steel tube and cast iron pipe .


Professional Standard - Machinery

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Chemical Industry

Professional Standard - Construction Industry

  • JGJ/T 225-2010 Technical specification for large-diameter belled cast-in-place pile foundation
  • JGJ/T 213-2010 Technical specification for composite foundation of cast-in-place concrete large-diameter pipe pile

Professional Standard - Electricity

  • DL/T 473-2017 Technical conditions for large diameter tee forgings
  • DL 473-1992 Specification of large-diameter tee forgings

Guangdong Provincial Standard of the People's Republic of China

Group Standards of the People's Republic of China

Professional Standard - Ferrous Metallurgy

  • YB/T 4428-2014 Multiple wires large diameter high strength low relaxation strand for prestressing
  • YB/T 4330-2013 Large Diameter Seamless Austenitic Stainless Steel Pipes
  • YB/T 4332-2013 Large Diameter Carbon Structural Seamless Steel Pipes for Liquid Service

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 37577-2019 Welded large diameter steel pipes for low-temperature-service piping
  • GB/T 13402-2019 Large diameter steel pipe flanges
  • GB/T 40324-2021 Non-destructive testing—Testing method for large diameter round bars by focused ultrasound

Henan Provincial Standard of the People's Republic of China

  • DB41/T 2562-2023 Drilling, completion and tripping operation procedures for large-diameter engineering wells in mines

Liaoning Provincial Standard of the People's Republic of China

  • DB21/T 3909-2024 Technical regulations for static load testing of large-diameter foundation piles using self-balancing method

Professional Standard - Electron

  • SJ 20636-1997 Test method for oxygen and carbon contents of large diameter thin silicon wafer in microzone for use in IC

Korean Agency for Technology and Standards (KATS)

WRC - Welding Research Council

International Organization for Standardization (ISO)

IN-BIS

SCC

American Society for Testing and Materials (ASTM)

  • ASTM F1311-90(2006) Standard Specification for Large-Diameter Fabricated Carbon Steel Flanges
  • ASTM F1311-90(2001) Standard Specification for Large-Diameter Fabricated Carbon Steel Flanges
  • ASTM F1311-90(1995) Standard Specification for Large-Diameter Fabricated Carbon Steel Flanges
  • ASTM F667-97 Standard Specification for Large Diameter Corrugated Polyethylene Pipe and Fittings
  • ASTM F667-06 Standard Specification for Large Diameter Corrugated Polyethylene Pipe and Fittings

RU-GOST R

CO-ICONTEC

British Standards Institution (BSI)

American Society of Mechanical Engineers (ASME)

American National Standards Institute (ANSI)

GSO

  • DL/T 473-1992 Technical requirements for large diameter tee forgings