Product Details  GI pipe material:Q195,Q235,Q345 standard:GB,ASTM,DIN,BS and so on OD:1/2''-12'' thickness:1-10mm gi pipe Nominal sizeOut diameterThicknessinchmmmm1/2"21.31-2.83/4"26.91-2.81"33.71-3.211/4"42.41-3.511/2"48.31.5-3.52"60.31.5-3.521/2"76.11.5-3.753"88.94.00 4"114.34.00 5"139.74.00 6"168.34.50 8"219.14.0-6.0Length=5.8-12meter. Q195-235 (Screwed & Socketed)