Product Name: Q345b Square Steel Hollow Section with Oiled Surface Model NO.: 160x160x7.1mm x 11.8meters Section Shape: Square Usage: Construction & Decoration Surface Treatment: Black Material: Carbon Steel Technique: Hot Rolled Type: Welded Dimension(Mm): 10x10-600x600;10x20-400x600;10-720 Steel Grade: Q235/Q345/16mn/ASTM A500/Ss400/A53/A36 Wall Thickness(Mm): 1.5-20mm Length: Normal 6 Meters, Accept Fixed Lenght W.T Tolerance(Mm): +/- 0.2mm Surface: Hot Rolled/Black Anneal/Anti Rust Oil Trademark: Wanrunda Transport Package: Anti-Rust Oiled;Be Packed in Bundle by Steel Strip Specification: SHS:20x20-600x600mm,RHS:20x30-400x600mm,CHS:19-720 Origin: Qingdao and Tianjin HS Code: 7306610000 Product Description Qingdao Wanrunda Imp and Exp Co.,ltd mainly export Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Stainless steel tube; Galvanized steel coil; Stainless steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc(This large square steel hollow section exported to India market, the size is 160x160x7.1mm x 11.1meters, material is Q345B. Surface anti-rust covered.The application could be structure steel, machine usage etc)Our Product introduction:Commodity: HOT ROLLED STEEL HOLLOW SECTIonDimension range:SHS: 20x20-600x600mm, RHS:20x30-400x600mm,CHS:OD19-720mmWall thickness: 1.50-20 mmLength: 1-12meters( normal length6000mm, accept fixed length)Material: Q195 and Q235 Mild Steel , Q345 Low Alloy steel, ASTM A500 Gr.B, ASTM A36, S355JRH,SS400Surface treatment: Anti-rust Oiled surface,BlackThickness tolerance: +/- 0.2mmOD. Tolerance: +/- 0.2mmTechnique: Hot rolledApplication: construction,Steel structure, Road sign,Steel frame,light industry, automobile industry, agriculture, etc.MOQ: 10MTPackage: Surface to be oiled and be packed in bundle, wrapped with steel stripsPayment term: T/T or L/C at sightDelivery time: within 15-20days after receiving the depositRemark: Special spec is availableMechanical character & Chemical element of normal material:MaterialChemicalComposition(%)Q195CMnSiSP0.06-0.120.25-0.50≤0.30≤0.050≤0.045Tensile strength: 315-430(Mpa)Yield strength:195(Mpa)Elongation:33Q235CMnSiSP0.12-2.00.3-0.70≤0.30≤0.045≤0.045Tensile strength: 375-460(Mpa)Yield strength:235(Mpa)Elongation:26Q345CMnSiSPV≤0.20≤1.70≤0.55≤0.040≤0.0400.02-0.15Tensile strength: 470-630(Mpa)Yield strength:345(Mpa)Elongation:21COMPANY INTRODUCTION:QINGDAO WANRUNDA IMP AND EXP CO.,LTD is a special and experienced steel supplier and exporter, can manufacture according to ASTM,JIS,DIN,API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle east countries and African countries, We got very good reputation from all our cooperative clients;We mainly manufacture and sale various kinds of steel pipe, include Welded pipe/Galvanized steel pipe/Pre-Galvanized steel pipe/Square and Rectangular hollow section/Furniture pipe/Warmhouse booth pipe/stainless steel pipe etc ; Steel coil include Pre-Galvanized steel coil and stainless steel coil; Steel profile include Angle steel/Channel steel/Steel checkered plate/Square steel/C-channel steel etc. We also deal with assorted products, such as Flange/Steel hinge/Plastic pipe plug and cap etc.Normal dimension of steel pipeSquare (SHS)Rectangular(RHS)Circle (CHS)Out dia.(mm)Wall thickness(mm)Out dia.(mm)Wall thickness(mm)Out dia.(mm)Wall thickness(mm)10x100.5-1.010x200.6-1.0100.5-1.012x120.5-1.012x250.6-1.0120.6-1.016x160.6-1.220x400.6-1.6160.6-1.019x190.6-1.525x500.8-2.75190.6-1.520x200.6-1.630x500.8-3.0200.6-1.525x250.8-2.7530x600.8-3.021.50.6-1.530x300.8-2.7540x601.0-4.0250.8-2.7532x321.0-3.040x801.5-4.0270.8-2.7538x381.0-3.050x751.5-4.0320.8-3.040x401.0-3.550x1002.0-6.038.11.0-3.050x501.0-5.050x1252.0-6.042.51.0-3.560x601.0-6.050x1503.0-6.048.41.0-5.063.5x63.51.0-6.060x801.5-6.050.81.0-5.070x701.5-6.060x1002.0-6.063.51.0-6.075x751.5-6.060x1202.0-6.0681.2-6.080x802.0-6.075x1002.0-6.0701.2-6.090x902.0-6.075x1252.0-6.0731.4-6.0100x1002.3-6.075x1503.0-6.0761.4-6.0120x1203.0-6.080x1202.0-6.0802.0-6.0125x1253.0-6.080x1603.0-6.0892.0-6.0150x1503.5-8.0100x1504.0-12902.0-6.0200x2004.0-12100x1754.0-12952.0-6.0250x2505.0-12100x2004.0-121002.3-6.0300x3005.0-14150x2004.0-121022.3-6.0350x3506.0-14150x2504.0-141082.3-6.0400x4006.0-18150x3005.0-161102.3-6.0500x5008.0-20200x3005.0-161142.3-6.0600x6008.0-20200x4006.0-161333.0-6.0300x5006.0-201403.0-8.0400x6008.0-201523.0-8.01653.0-8.01903.5-122004.0-122194.0-122734.0-143255.0-163775.0-164266.0-20