... #, 20#, 16mn, L245, L290, L360,X42-X70 USAGE: the electric power, the thermal energy, offshore oil piling, chemicals, water supply , transporting natural gas ... ,DIN 1629 ST35,DIN 1629 ST45,DIN1626 ST37,5>10#,20#,37Mn5,36Mn2VOther steel grade is available as per clients requirements ...