Hot Dipped Galvanized Steel Pipe1,Website:http://www.sinosteelpipes.com,Specification:       Material: Q195Q235Q345SS330SS400SS500STK290STK400STK490STK500STK540Zinc coating: 60~600g/m2(20~30 micron/ 80 micronSize ListStandardASTM A500,GB/T3091-2008,JIS-G3444,EN10255CertificateISO9001-2008,CIC,SGS,BV etcSpecificationSquare20mm*20mm,25mm*25mm,30mm*30mm,40mm*40mm,50mm*50mm,60mm*60mm,80mm*80mm,100mm*100mm etcRectangular20mm*30mm,20mm*40mm,25mm*50mm,30mm*40mm,30mm*50mm,37mm*57mm,37mm*77mm,40mm*60mm,40mm*80mm,50mm*100mm,etcWall thickness0.73mm-2.0mm as per customer's requirementLength1m-12m as per customer's requirementWeldedLongititude ERW weldedGalvanizedPre-galvanized with zinc coating 35-275g/m22,Characteristic & Application:    It is widely used in mechanical manufacture, construction field, metallurgy industry, farm vehicles, agriculture greenhouse, automotive industry, railway, highway guardrail, container frame, furniture, decoration, steel structure etc.    3,Product show:     (2).Production line(3).Finished product(4).Package (5).Loaded in container  (6). Our warehouse4. Adavantage:As one of the biggest manufactures of China. We exported large quantity to American, Europe, Asia and Africa countries, due to high quality and reasonable price. Our price is very competitive because we are manufacturer, we are the source.