Tangshan structural pipe, Commodity name, Specification (mm), Material / Origin, Price (yuan/ton), Change, Remarks. Common 12 Q235B Handan Steel 4350 - Common medium plate. 12 Q235B Wenfeng 4350 - Common medium plate. 12 Q235B Jingye 4350 - Common medium plate. 14-25 Q235B Handan Steel 4250 - Common medium plate. 14-25 Q235B Wenfeng 4250 - Common medium plate. 14-25 Q235B Jingye 4250 - Common medium plate. 16-20 Q235B Jigang 4400 - Medium plate. 12 Q345B Handan Steel 4540 - Low-alloy medium plate. 12 Q345B Wenfeng 4540 - Low-alloy medium plate. 12 Q345B Jingye 4540 - Low-alloy medium plate. 14-25 Q345B Handan Steel 4450 - Low-alloy medium plate. 14-25 Q345B Wenfeng 4450 - Low-alloy medium plate. 14-25 Q345B Jingye 4450 - Low-alloy medium plate. 16-20 Q345B Jigang 4600 - Thick plate price, Hastelloy, Enterprise managers must first establish the concept of relying on all employees, steel prices.