GB/T 1230-2006
High strength plain washers for steel structures (English Version)

Standard No.

GB/T 1230-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

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

Latest

GB/T 1230-2006

Replace

GB/T 1230-1991

Scope

This standard specifies the formal dimensions, technical conditions and markings of high-strength washers with specifications ranging from 12mm to 30mm. This standard applies to the steel structure friction type high-strength thread connection pair used in conjunction with GB/T 1228 "High-strength large hexagonal head thread for steel structure".

GB/T 1230-2006 Referenced Document

• GB/T 1228 High strength bolts with large hexagon head for steel structures
• GB/T 1231 Specifications of high strength bolts with large hexagon head ，large hexagon nuts，plain washers for steel structures
• GB/T 1237 Designation system for fasteners

GB/T 1230-2006 history

• 2006 GB/T 1230-2006 High strength plain washers for steel structures
• 1991 GB/T 1230-1991 High strength plain washers for steel structures