Pangang Group Beihai Steel Pipe Corp.(PGBH) belong to Pangang Group(Panzhihua Steel & Iron Group),one of Chinese biggest stated-owned steel & iron company. Our main products as follows: ERW Steel line Pipe Outer diameter:4.5"-14" (114.3mm-355.6mm) Wall thickness:4.0mm-12.7mm Grade: Q235B,Q345B,Gr.B,X42,X46,X52,X56,X60,X65,X70,H40,J55 and other Grade. Standard: GB/T3091,GB/T9711.1,GB/T9711.2,API 5L PSL1, API 5L PSL2,API 5CT,ASTM A53 and other specification. Used for pipe transportation of water, natural gas, crude oil, product oil,ore pulp as well as machinery, construction, mining and electricity transmission project. Square Pipe Size(mm):80*80,90*90,100*100,120*120,135*135,150*150,160*160,180*180,200*200 etc. Rectangular Pipe Size(mm):50*100,80*120,100*150,100*200,120*160,120*200,150*200,150*250,160*200,160*220,180*200,180*220 etc. Grade: Q235,Q345,Q390,Q420,Q460 and other Grade. Standard: ASTM A500,GB/T6728,GB/T6725, GB/T26080 and other specification. Used for Tower crane,Truck,steamer,railway train,machinery,chemical engineering,construction,metallurgy,mining,water and electricity transmission project. Company Name :Pangang Group Beihai Steel Pipe Corp. Contact:Mr.Wang Email:beyond3536@163.com MSN: beyond3536@hotmail.com Yahoo:beyond3536@yahoo.com.cn QQ:906015749 Location:Industrial Zone,Beihai,Guangxi,China