Respiratory protective devices. Threads for facepieces. Standard thread connection.

Standard published on 14.1.2019

Tracked Changes. Respiratory protective devices. Threads for facepieces. Standard thread connection.

Standard published on 28.2.2020

Respiratory protective devices: threads for facepieces. Centre thread connection.

Standard published on 15.7.1999

Metallic materials. Charpy pendulum impact test. Verification of testing machines.

Standard published on 30.11.2016

Tracked Changes. Metallic materials. Charpy pendulum impact test. Verification of testing machines.

Standard published on 25.2.2020

Respiratory protective devices: threads for facepieces. Thread connection M 45 x 3.

Standard published on 15.10.1999

Metallic materials. Charpy pendulum impact test. Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines.

Standard published on 30.11.2016

Tracked Changes. Metallic materials. Charpy pendulum impact test. Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines.

Standard published on 25.2.2020

Metallic materials. Charpy pendulum impact test. Testing of miniature Charpy-type V-notch test pieces.

Standard published on 14.4.2026

Specification for low nickel-chromium steel (bar for the manufacture of forged bolts only).

Standard published on 30.4.2015