Specifications of Square Pipe Standard JIS, GB, ASTM Shape Square Application Structure Pipe Material : Q235 TypeSpecifications of Square PipeSpecification20*20-300*300mmWall thickness1.2-14mmLength2-12mStandardGB/T3091-2001, ASTM A53 , BS1387-1985MaterialQ195,Q215,Q235,Q345,10#,20#,45#,,12Cr2Mo,10CrMo910Zinc-coating100-300g/m2PackingStandard export packing or as requestFOB priceGet Latest ...