浏览： Release time: 2019-11-03 17:16 Times
Low alloy pipe is: 16Mn is called low alloy high-strength structural steel. Low-alloy high-strength structural steel: carbon content is 0.1% -0.25%, the main alloying elements are added manganese, silicon, vanadium, niobium and titanium; its total alloy content Amount <3%. The special steel type for bridges is "16Mnq", the special steel type for automobile beams is "16MnL", and the special steel type for pressure vessels is "16MnR".
The 16Mn low-alloy pipe is divided into 4 levels of 300, 350, 400 and 450 MPa according to strength. There are mainly Q295, Q345, Q390, Q420, Q460. : "Q" is the capitalized Chinese Pinyin initials of the yielding "Yu" character, the following number is the minimum yield point (σs) value of the brand, and the following symbol is based on the steel's impurity element (sulfur, phosphorus) content from high To low and accompanied by changes in carbon and manganese elements are divided into A, B, C, D and so on.
Previous: 12Cr1MoV alloy tube
Next: No more