Gregorydas
Mechanical
- Nov 19, 2014
- 25
One of my current project drawings describes material grade as S275 U.N.O
What is that mean? They have not specified JR or JO or J2 as subgrade but U.N.O?
What it is referred to? and which sub grade i should use..?
(The project is lifting beams for Crucibles in Smelter Plants)
What is that mean? They have not specified JR or JO or J2 as subgrade but U.N.O?
What it is referred to? and which sub grade i should use..?
(The project is lifting beams for Crucibles in Smelter Plants)
