Testing of lubricants; testing in the Shell-four-ball tester; determination of welding load of fluid lubricantsEssais des lubrifiants; essais dans l'appareil ,,Shell à quatre billes; détermination de la charge de soudage des lubrifiants liquidesAllgeme
DIN 51350-2:1977 history
2015DIN 51350-2:2015-03 Testing of lubricants - Testing in the four-ball tester - Part 2: Determination of welding load of liquid lubricants
2015DIN 51350-2:2015 Testing of lubricants - Testing in the four-ball tester - Part 2: Determination of welding load of liquid lubricants
2010DIN 51350-2:2010 Testing of lubricants - Testing in the four-ball tester - Part 2: Determination of welding load of liquid lubricants
1977DIN 51350-2:1977 Testing of lubricants; testing in the Shell-four-ball tester, determination of welding load of fluid lubricants