Product Name: China Supplier Square Hollow Steel Tube Section Shape: Square/Rectangular Usage: Machinery Industry, Construction & Decoration Surface Treatment: Galvanized Material: Carbon Steel Technique: ERW Type: Welded Commodity: Square/Rectangular Hollow Section Tubes Square Tube: 20x20mm-500x500mm Rectangular Tube: 10x20mm-400x600mm Wall Thickness: 1.0-30.0mm Length: 6.0m, 5.8m, 1-12.0m Steel Grade: S235jr/S355;ASTM A500;Stk400/Stk500 Zinc Coating: 40GSM-600GSM Business Type: Manufacturer & Exporter Trademark: Youfa Transport Package: in Bundle by Steel Strip Origin: China HS Code: 7306610000 Product Description China Leading Manufacturer - Tianjin YOUFA Steel Pipe GroupBlack and Galvanized finish square hollow steel tubeCommodityGalvanized Steel Square /Rectangular tubeSize20x20--500x500mm20x40--400x600mmWall thickness0.5-20mmLength5.8m/6m or based on your requestStandardEN10025.EN10219,ASTM A500 and so on (the Chinese material can be Q195,Q235Q345)SurfaceBlack, or Galvanized and Oiled to prevent the rust End finishPlain endUsageSteel construction, mechanical, manufacturing, construction, automobile manufacturing,shipbuilding, electricity and morePacking1.Big OD:in bulk2.Small OD:packed by steel strips3.woven cloth with 7slats4.according to the requirements of customersShipmentby bulk or load into 20ft /40ft containersDelivery timeWithin 20days or as your requestPayment TermsT/T or L/C at sightTerms of trade :FOB ,CFR,CIF ,DDP,EXWSquare and Rectangular Steel Hollow Section TubeSquare tube:20x20--400x400mmRectangular tube:20x40--300x500mmThickness: 0.5mm - 20.0mmUsage: Steel struction,Mechanical,manufacturing,Construction,Automobile manufacturing,Shipbuilding,Electricity and so onBlack steel hollow sectionsBlack annealed steel hollow sectionPre Galvanized steel hollow sectionHot dip galvanized steel hollow sectionPainted or Power Coated finish steel hollow sectionOiled finish hollow sectionsSpecial process for Steel Hollow sections as your requests:1. Punching holes,2. Cutting different length,3. Bending,4. Water proof cloth packing,5. High zinc coating , from Zinc 10micron up to 80 micron,6. Heat Treatment for specail usage steel;Products & Production lines show:Specification &Wall Thickness for Square/Rectangular tube Production Range list:Square tube(mm)Rectangular tube(mm)Wall Thickness(mm)Square tube(mm)Rectangular tube(mm)Wall Thickness(mm)19*191.040*13550*14060*13075*12540*15050*15060*14080*120100*1001.51.21.71.32.01.42.21.52.5~5.01.75.25~6.02.06.5~9.7520*2025*2520*301.011.5~161.250*16060*15060*18065*18070*15090*15090*160100*120100*125100*14060*16080*14080*160100*150120*120110*110120*180125*1252.51.32.751.43.0~4.01.54.25~4.751.75.25~6.01.86.5~7.752.09.5~9.752.210.5~11.752.5~3.012.5~15.7532*3235*3520*5020*4025*4030*3030*401.016~~301.260*17070*16080*15080*180127*12775*150100*200140*140150*150130*1302.51.32.751.43.0~5.751.57.5~9.751.710.5~11.751.812.5~152.060*20060*22080*20080*220100*180120*160120*200100*250160*160180*180140*180150*170150*180150*2002.52.22.75~3.252.5~3.03.5~5.03.5~3.755.25~7.7520*6020*8025*6530*7035*6038*3845*4539*4925*7025*5030*5030*6040*4040*5040*6050*501.29.5~11.751.312.5~15.751.416~~301.5100*350125*250130*250135*135140*240150*220225*225100*300150*250200*200200*2502.751.73.0~3.251.83.5~9.752.011.5~11.752.212.5~14.752.5~4.015.5~15.754.25~5.016~~305.25~5.75100*400130*300150*350200*280220*220200*350250*350150*300200*300250*250180*300200*400300*3003.5~4.05.75~6.04.5~7.7530*10040*7040*9050*6050*7550*9055*5565*6540*8040*10050*7050*8060*6060*8070*701.39.5~11.751.412.5~14.751.515.5~17.751.74.75~11.751.812.5~14.752.015.5~17.752.2300*320300*350200*500250*450300*400350*3504.75~11.752.5~4.012.5~14.754.25~5.015.5~17.755.25~5.7518~~305.75~6.0200*450250*400250*500300*450200*600280*280300*500350*400400*4004.5~5.7540*12040*14050*11050*12050*12570*10085*8550*10060*9060*10060*12075*7580*8080*10090*901.36.5~11.751.512.5~14.751.715.5~17.751.818~~302.0300*700300*650320*320300*600400*500400*600450*450500*5004.5~7.752.29.5~9.752.5~4.011.5~13.754.25~5.014.5~15.755.25~5.7516.5~17.757.5~9.7518~~30Suppling other Steel Products are as follows:Angle BarFlat BarPlate, SheetBlack self finish, and Hot Dipped Galvanized processCompany's information:Tianjin Youfa Steel Pipe Group Co. was founded on July 1st,2000,with the headquarters located at the largest steel pipe production base in China-Daqiuzhuang Village,Tianjin City;produced over 15million tons of various steel pipes in 2017;The largest welded steel pipe manufacturer in the world, Production and Sales No.1 for 13 consecutive years in China. Products exported to over 86 countries and regions,the Top 500 Enterprises in China;has formed four production bases in Tianjin City, Tangshan City, Handan City and Shanxi Province;Tianjin Youfa International Trade Co., is asubsidiary of YOUFA Steel Pipe Group,located in Tianjin City.Company has 55 professional talents. In order to provide personalized service for foreign businessmen, we have opened aprocessing factory of 10,000 square meters;Products cover ERW Steel Pipe, Hot Dipped Galvanized Steel Pipe, Square and Rectangular Steel Pipe,Steel Pipe of Lining Plastic,Plastic-coated Steel Pipe, Spiral Steel Pipe, Highway MaterialsTOP 500 ENTERPRISEIN CHINACertificates:Tianjin Youfa Steel Pipe Group Co., have acquired certificates ofAPI 5L/5CT, ISO9001, ISO14001, ISO18001, EN10219, FPC and UL /FMquality system.---------------------Contacts:Export DeptTIANJIN YOUFA STEEL PIPE GROUPTIANJIN YOUFA INTERNATIonAL TRADE CO.,LTDAddress: Daqiuzhuang Town,Jinghai Distr.,Tianjin City,ChinaGroup Website:www.yfgg.com www.youfasteelpipe.com