HG/T 21514-2014
Technical specification of steel manholes and handholes (English Version)

Standard No.

HG/T 21514-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Chemical Industry

Latest

HG/T 21514-2014

Replace

HG/T 21514-2005

Scope

This standard is applicable to steel manholes and handholes with nominal pressures of normal pressure, PN2.5~PN63, and working temperatures of -70℃~500℃ in chemical and petrochemical plants and other similar devices.

HG/T 21514-2014 Referenced Document

• GB 150.2 Pressure vessels.Part 2:Materials
• GB 150.4 Pressure vessels.Part 4:Fabrication,inspection and testing,and acceptance
• GB 24511 Stainless steel plate,sheet and strip for pressure equipments
• GB 3531 Steel plates for low temperature pressure vessels
• GB 6479 Seamless steel tubes for high-pressure chemical fertilizer equipments
• GB 713 Steel plates for boilers and pressure vessels
• GB 9948 Seamless steel tubes for petroleum cracking
• GB/T 14976 Seamless stainless steel pipes for fluid transport
• GB/T 196 General purpose metric screw threads--Basic dimensions
• GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
• GB/T 3077 Alloy structure steels*， 2015-12-10 Update
• GB/T 3103.1 Tolerances for fasteners--Bolts,screws,studs and nuts
• GB/T 3274 Hot-rolled plates、sheets and strips of carbon structural steels and high strength low alloy structural steels*， 2017-02-28 Update
• GB/T 3985-2008 Comoresssed asbentos fibre jointing
• GB/T 539-2008 Oil-resisting compressed asbestos fibre jointing
• GB/T 5574-2008 Industrial rubber sheet
• GB/T 5779.1 Fasteners-Surface discontinuities-Bolts,screws and studs for general requirements
• GB/T 5779.2 Fasteners-Surface discontinuities-Nuts
• GB/T 5796.3 Trapezoidal screw threads—Part 3: Basic dimensions*， 2022-03-09 Update
• GB/T 5796.4 Trapezoidal screw threads—Part 4: Tolerances*， 2022-03-09 Update
• GB/T 699 Quality carbon structure steels*， 2015-12-10 Update
• GB/T 700 Carbon structural steels
• GB/T 8163 Seamless steel pipes for liquid service*， 2018-05-14 Update
• GB/T 985.1 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding

HG/T 21514-2014 history

• 2014 HG/T 21514-2014 Technical specification of steel manholes and handholes
• 2005 HG/T 21514-2005 Types and technical conditions of steel manholes and handholes
• 1995 HG 21514-1995 Types and technical conditions of carbon steel and low alloy steel manholes and handholes