JJG 1-1999 Active National Metrology and Inspection Regulations JJG

JJG 1-1999 Steel Rule

Publish Date: 1999-10-18 Implement Date: 2000-03-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 1-1999

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1999-10-18

Implement Date: 2000-03-15

Pages: 8 pages

Scope

Steel rulers, including ordinary steel rulers and cotton fiber steel rulers, are measuring tools used to measure length. They are made of stainless steel sheets. The ruler's scale lines are engraved on both sides of the upper and lower surfaces. The nominal lengths of ordinary steel rulers are 150, 300, 500 (600), 1,000, 1,500, and 2,000 mm; the nominal length of cotton fiber steel rulers is 50 mm. The square end of the ruler is the working end, and the other end is arc-shaped with a hanging hole. The schematic diagram of its appearance is shown in Figures 1(a) and (b).