GB6479 Tube for Chemical Fertilizer Equipments
National Standards Tube for Chemical Fertilizer Equipments Standard GB6479 Application It is excellent quality carbon steel, low alloy steel and alloy steel pipes for high pressure fertilizer equipments and pipelines. Main Steel Tube Grades 20, 16Mn, Q345 etc. Chemical Composition Grade Chemical Composition % C Si Mn P S 20 0.17-0.24 0.17-0.37 0.35-0.65 ≤0.030 ≤0.030 16Mn 0.12-0.20 0.20-0.60 1.20-1.60…
