• Specification：SHS:20X20-600X600mm,RHS:20X30-400X600mm,CHS:19-720
• Transport Package：Anti-Rust Oiled;Be Packed in Bundle by Steel Strip
• Surface：Hot Rolled,Black Anneal,Anti Rust Oil
• W.T Tolerance(mm)：+,- 0.2mm
• Length：Normal 6 Meters, Accept Fixed Lenght
• Wall Thickness(mm)：1.5-20mm
• Steel Grade：Q235,Q345,16mn,ASTM A500,Ss400,A53,A36
• Dimension(mm)：10X10-600X600;10X20-400X600;10-720
• Model NO.：steel hollow section
• Trademark：Wanrunda
• Origin：Qingdao and Tianjin
• HS Code：7306610000
• Production Capacity：10000mt Per Month

Material
Chemical
Composition
(%)Q195CMnSiSP 0.06-0.120.25-0.50≤0.30≤0.050≤0.045 Tensile strength: 315-430(Mpa)Yield strength:195(Mpa)Elongation:33Q235CMnSiSP 0.12-2.00.3-0.70≤0.30≤0.045≤0.045 Tensile 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:21Normal dimension of steel pipeCircle (CHS)Out dia.
(mm)Wall thickness
(mm)Out dia.
(mm)Wall thickness
(mm)Out dia.
(mm)Wall thickness
(mm)10x100.5-1.010x200.6-1.0100.5-1.012x120.5-1.012x250.6-1.0120.6-1.016x160.6-1.220x400.6-1.6160.6-1.019x190.6-1.525x500.8-2.75190.6-1.520x200.6-1.630x500.8-3.0200.6-1.525x250.8-2.7530x600.8-3.021.50.6-1.530x300.8-2.7540x601.0-4.0250.8-2.7532x321.0-3.040x801.5-4.0270.8-2.7538x381.0-3.050x751.5-4.0320.8-3.040x401.0-3.550x1002.0-6.038.11.0-3.050x501.0-5.050x1252.0-6.042.51.0-3.560x601.0-6.050x1503.0-6.048.41.0-5.063.5x63.51.0-6.060x801.5-6.050.81.0-5.070x701.5-6.060x1002.0-6.063.51.0-6.075x751.5-6.060x1202.0-6.0681.2-6.080x802.0-6.075x1002.0-6.0701.2-6.090x902.0-6.075x1252.0-6.0731.4-6.0100x1002.3-6.075x1503.0-6.0761.4-6.0120x1203.0-6.080x1202.0-6.0802.0-6.0125x1253.0-6.080x1603.0-6.0892.0-6.0150x1503.5-8.0100x1504.0-12902.0-6.0200x2004.0-12100x1754.0-12952.0-6.0250x2505.0-12100x2004.0-121002.3-6.0300x3005.0-14150x2004.0-121022.3-6.0350x3506.0-14150x2504.0-141082.3-6.0400x4006.0-18150x3005.0-161102.3-6.0500x5008.0-20200x3005.0-161142.3-6.0600x6008.0-20200x4006.0-161333.0-6.0  300x5006.0-201403.0-8.0  400x6008.0-201523.0-8.0    1653.0-8.0    1903.5-12    2004.0-12    2194.0-12    2734.0-14    3255.0-16    3775.0-16    4266.0-20
Process flow of Rectangular and Square steel pipe:

OUR ADVANTAGE:
* Direct manufacture/factory to reduce intermediate links
* Competitive price with high quality
* Small and flexible order quantity requirement according to customer's situation
* Provide customize service, can make processing according to drawings
* Rich experience in exporting steel products and good credit and pucka sincere after-sales service

CONTAINER SHIPMENTS:


COMPANY 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.