| Place of Origin: | Shandong, China |
| Brand Name: | jinzheng |
| Model Number: | Q195、Q215、Q235、SS400、20#、45# |
| Q345、16Mn、S235JR、S275JR、S355JR、Q390、ST52-3、SAE1010 1020,1045,etc | |
| Certification: | API, CE, Bsi, RoHS, SNI, BIS, tisi, KS, JIS, GS, ISO9001 |
| Minimum Order Quantity: | 5 TONS |
| Price: | $560/TON |
| Packaging Details: | Exported Packaging Standard(In bundles, Nylon bags, wooden cases or as required) |
| Delivery Time: | 3-7days |
| Payment Terms: | FOB 30%T/T,70% before shipment |
| CIF 30% pre-payment and the balance to be paid before making shipment | |
| or Irrevocable 100% L/C at sight | |
| Supply Ability: | 20000 Ton/Tons per Month |
Quick Detail:
square steel pipe，hollow sections steel tube，rectangular steel tube，Hollow sections
Square tubes for decoration, square tubes for machine tool equipment, square tubes for machinery industry, square tubes for chemical industry, square tubes for steel structures, square tubes for shipbuilding, square tubes for automobiles, square tubes for steel beams and columns, and square tubes for special purposes.
Description:
Square and rectangular tubes are also known as square and rectangular cold-formed hollow sections, referred to as square tubes and rectangular tubes, and their codes are F and J respectively.
When the wall thickness is not greater than 10mm, it shall not exceed plus or minus 10% of the nominal wall thickness. When the wall thickness is greater than 10mm, it shall be plus or minus 8% of the wall thickness, except for the wall thickness in corners and weld areas.
The curvature of square and rectangular tubes shall not be greater than 2mm per meter, and the total curvature shall not be greater than 0.2% of the total length.
According to the production process: hot-rolled seamless square tube, cold-drawn seamless square tube, extruded seamless square tube, welded square tube;
According to production standards: national standard square tube, Japanese standard square tube, British standard square tube, American standard square tube, European standard square tube, non-standard square tube;
Classified by cross-sectional shape: square square tube, rectangular square tube, flower-shaped square tube, open-shaped square tube, corrugated square tube, special-shaped square tube;
According to surface treatment: hot-dip galvanized square tube, electro-galvanized square tube, oil-coated square tube, pickled square tube.
Application fields of square and rectangular tubes: widely used in engineering construction, glass curtain walls, door and window decoration, steel structures, guardrails, machinery manufacturing, automobile manufacturing, home appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural greenhouses, bicycle racks, motorcycles Frames, shelves, fitness equipment, leisure and travel supplies, steel furniture, various specifications of oil casing, oil pipes and pipeline pipes, water, gas, sewage, air, heating and other fluid transportation, fire protection and brackets, construction industry, etc. .
Implementation standards:
GB/T6728-2002, GB/T6725-2002, GBT3094-2000, JG 178-2005, ASTM A500 JIS G3466, EN10210 or technical agreement.
GB/T3094-2000 (national standard) cold-pressed special-shaped rectangular tube
GB/T6728-2002 (National Standard) Cold-formed hollow steel for structural use
ASTM A500 (American Standard) Carbon Steel Cold Formed Circular Sections and Special-Shaped Sections Welded Rectangular Tubes and Seamless Rectangular Tubes for Structural Use
EN10219-1-2006 (European Standard) Non-alloy and fine-grained cold-formed welded hollow structural profiles
JIS G 3466 (Japanese standard) Angular rectangular tubes for general construction
Applications:
Application areas of square and rectangular tubes: widely used in engineering construction, glass curtain walls, door and window decoration, steel structures, guardrails, machinery manufacturing, automobile manufacturing, home appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural greenhouses, bicycle racks, motorcycles Frames, shelves, fitness equipment, leisure and travel supplies, steel furniture, various specifications of oil casing, oil pipes and pipeline pipes, water, gas, sewage, air, heating and other fluid transportation, fire protection and brackets, construction industry, etc. .
Specifications:
| Square and Rectangular Steel Pipe size chart | ||
| Square Hollow Section | Rectangular Hollow Section | Thickness |
| 20*20 25*25 30*30 | 20*40 30*40 | 1.2-3.0 |
| 40*40 50*50 | 30*50 25*50 30*60 40*60 | 1.2-4.75 |
| 60*60 | 50*70 40*80 | 1.2-5.75 |
| 70*70 80*80 75*75 90*90 100*100 | 60*80 50*80 100*40 120*80 | 1.5-5.75 |
| 120*120 140*140 150*150 | 160*80 100*150 140*80 100*180 200*100 | 2.5-10.0 |
| 160*160 180*180 200*200 | 200*150 250*150 | 3.5-12.0 |
| 250*250 300*300 400*200 350*350 350*300 | 250*200 300*200 350*200 350*250 450*250 400*300 500*200 | 4.5-15.75 |
| 400*400 280*280 450*300 450*200 | 400*350 400*250 500*250 500*300 400*600 | 5.0-20.0 |
Competitive Advantage:
We are a source factory, and our raw materials come from major steel mills. We can not only produce products of various standards and sizes, but also produce customized products according to customer requirements.
Our friendly team would love to hear from you!
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