... Supply 10#, 20#, 35#, 45#, 16Mn,Q345B structure pipe GB/T8162-1999 Commodity nameMain materialUsageExecutive standardSpecification scopeStructure ... pipe10#,20#,35#,45#,16Mn,Q345B etcGeneral structure fabricationGB/T8162-1999 Φ 6-610×1-70 Part ... 18-20-30-40 (reference picture of structure pipe used in structure fabrication)Contact person: Miss Sabrina Tel: 0086 ...