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Basic Info.
Product Description
Galvanized Welded seamless square Steel Pipe details :
The galvanized square tube has good strength, toughness, plasticity and welding process performance, and has good ductility.
Its alloy layer is firmly attached to the steel base, so the hot-dip galvanized square pipe can be cold punched, rolled, and wire
drawn. , Bending and other shapes without damaging the coating, suitable for general processing such as drilling, cutting,welding,
cold bending and other processes. The surface of the square tube after hot-dip galvanizing is bright and beautiful.
| Product name | High Quality Black square pipe iron rectangular tube welded Galvanized Square Steel Pipes | ||
| Size | Rectangular Tube: 10*20-120*80mm Square Tube : 16*16-250*250 mm (check sizes provided from below table) | ||
| Length | 6m or based on your request | ||
| Standard | EN10210, EN10219, DIN17100, ASTM A36,JIS G3466 | ||
| Materials | Q195, Q235, Q235B, Q275, Q345B, S235, S235jr, S355, S355jr, SS400, SS330, STK490,St33, St37, St52/ ASTM A36, A53, A106 | ||
| Surface | Oil, bared, black paint, galvanized | ||
| End finish | Plain end | ||
| Technique | hot rolled, welded(erw) | ||
| MOQ | 25tons | ||
| Usage | Civil engineering, architecture, steel towers, shipyard, scaffoldings, struts, piles for suppression of landslide and other structures | ||
| Shipment | by bulk or load into 20ft / 40ft containers | ||
| Delivery time | Prompt delivery, or as order's quantity. | ||
| Payment Terms | T/T or L/C at sight | ||
| Price term | Ex-work,FOB,CIF,CFR,etc. | ||
| Packing | Export standard package, suit for all kinds of transport, or as required. | ||
Hot Dipped zinc coating 40*40mm En10255 Schedule 40 Cold Rolled galvanised Steel Round tube Pipe/Gi Galvanized Welded Seamless Square Steel Pipe for Scaffolding
BS 1387 ASTM A53 Hot Sale Cold Rolled Steel Round Pipe/ DIN Hot Dipped Galvanized Welded seamless square Steel Pipe for Scaffolding
| Out Diameter | Wall Thickness | Square Pipe/Tube(mm) | Rectangular Pipe/Tube(mm) | |||
| Inch | mm | mm | 16×16×0.4~1.5 | 70×70×2.0~6.0 | 10×20×0.6~1.5 | 30×60×1.0~4.5 |
| 1/2 | 21.3 | 0.6-3.0 | 18×18×0.4~1.5 | 75×75×2.0~6.0 | 14×21×0.6~1.5 | 40×50×1.0~4.5 |
| 3/4 | 26.9 | 0.6-3.0 | 20×20×0.4~1.5 | 80×80×2.0~6.0 | 15×30×1.5~1.5 | 40×60×1.0~5.0 |
| 1 | 33.4 | 1.0-3.0 | 25×25×0.6~2.0 | 85×85×2.0~6.0 | 15×38×0.6~1.5 | 40×80×1.5~5.0 |
| 1 1/4 | 42.3 | 1.0-4.0 | 30×30×0.6~4.0 | 95×95×2.0~8.0 | 20×30×0.6~2.0 | 40×100×2.0~5.0 |
| 1 1/2 | 48.3 | 1.0-4.0 | 34×34×1.0~2.0 | 100×100×2.0~8.0 | 20×40×0.8~2.0 | 50×60×2.0~5.0 |
| 2 | 60.3 | 1.5-4.0 | 35×35×1.0~4.0 | 120×120×4.0~8.0 | 20×50×1.0~2.0 | 50×80×2.0~5.0 |
| 2 1/2 | 76.1 | 1.5-4.0 | 38×38×1.0~4.0 | 150×150×6.0~10.0 | 22×35×0.9~2.0 | 50×100×2.0~8.0 |
| 3 | 88.9 | 1.5-9.5 | 40×40×1.0~4.5 | 180×180×6.0~12.0 | 25×40×0.9~3.75 | 60×80×2.0~6.0 |
| 4 | 114.3 | 2.0-9.5 | 44×44×1.0~4.5 | 200×200×6.0~12.0 | 25×65×1.0~2.0 | 80×100×2.0~8.0 |
| 5 | 141.3 | 3.0-9.5 | 45×45×1.0~5.0 | 220×220×6.0~14.0 | 30×40×1.0~3.75 | 120×60×2.5~10.0 |
| 6 | 168.3 | 3.0-12.0 | 50×50×1.0~5.0 | 250×250×6.0~14.0 | 30×45×1.0~3.75 | 120×80×2.5~10.0 |
| 8 | 219.1 | 3.2-12.0 | 60×60×1.5~5.0 | | 30×50×1.0~4.0 | |
| 10 | 273 | 3.2-12.0 | | | | |
| 12 | 323.8 | 6.0-15.0 | | | | |
| 14 | 355.6 | 8.0-15.0 | | | | |
| 16 | 406.4 | 8.0-20.0 | | | | |
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Specifications of Cold Formed Hollow Section - Square Tube, Rectangular Tube and Circular Tube:
1. Type: circular tube, square tube and rectangular tube.
2. Standard and Grade:
GB
6728-2017 Q195, Q235B, Q345B, Q420, Q490 etc
EN 10219 BS 1387
S185,S235,S235JR,S235G2H,S275,S275JR,S355JRH,S355J2H,ST12, ST13,ST14,ST44,ST52
ASTM A500 A 53
Gr,A,Gr B,Gr C,Gr D,DC01,DC03,1008,1010
JIS G 3466
SS330,SS440,SS490,SPHD
Specifications of RHS- Rectangular Hollow Section:
| Size (mm) | Mass per Metre kg/m | Size (mm) | Mass per Metre kg/m | Size (mm) | Mass per Metre kg/m |
| 50 x 25 x 2.5 | 2.7 | 100 x50x3 | 6.7 | 140 x80x 6.3 | 20.2 |
| 50 x 25 x 2.5 | 2.7 | 100 x50x 3.2 | 7.1 | 140 x80x8 | 25.1 |
| 50 x 25 x 3 | 3.2 | 100 x50x 3.6 | 8 | 140 x 80 x 10 | 30.6 |
| 50 x 30 x 2.5 | 2.9 | 100 x50x4 | 8.8 | 150 x 100 x 4 | 15.1 |
| 50 x 30 x 3 | 3.4 | 100 x50x5 | 10.8 | 150 x 100 x 5 | 18.6 |
| 50 x 30 x 3.2 | 3.6 | 100 x50x6 | 12.7 | 150 x 100 x 6 | 22.1 |
| 50 x 30 x 3.6 | 4 | 100 x50x 6.3 | 13.3 | 150 x 100 x 6.3 | 23.1 |
| 50 x 30 x 4 | 4.4 | 100 x50x8 | 16.3 | 150 x 100 x 8 | 28.9 |
| 50 x 30 x 5 | 5.3 | 100 x 60 x 3 | 7.2 | 150 x 100 x 10 | 35.3 |
| 60 x 40 x 2.5 | 3.7 | 100 x60x 3.2 | 7.6 | 150 x 100 x 12 | 41.4 |
| 60 x 40 x 3 | 4.4 | 100 x60x 3.6 | 8.5 | 150x100x 12.5 | 42.8 |
| 60 x 40 x 3.2 | 4.6 | 100 x 60 x 4 | 9.4 | 160 x80x4 | 14.4 |
| 60 x 40 x 3.6 | 5.1 | 100 x60x5 | 11.6 | 160 x80x5 | 17.8 |
| 60 x 40 x 4 | 5.6 | 100 x 60 x 6 | 13.6 | 160 x80x6 | 21.2 |
| 60 x 40 x 5 | 6.9 | 100 x60x 6.3 | 14.2 | 160 x 80 x 6.3 | 22.2 |
| 60 x 40 x 6 | 8 | 100 x60x8 | 17.5 | 160 x 80 x 8 | 27.6 |
| 60 x 40 x 6.3 | 8.3 | 120 x60x 3.6 | 9.7 | 160 x 80 x 10 | 33.7 |
| 80 x 40 x 3 | 5.3 | 120 x 60 x 4 | 10.7 | 160 x 80 x 12 | 39.5 |
| 80x40x 3.2 | 5.6 | 120 x 60 x 5 | 13.1 | 160 x80x 12.5 | 40.9 |
| 80 x 40 x 3.6 | 6.3 | 120 x 60 x 6 | 15.5 | 180 x 100 x 4 | 16.9 |
| 80 x 40 x 4 | 6.9 | 120 x60x 6.3 | 16.2 | 180 x 100 x 5 | 21 |
| 80 x 40 x 5 | 8.4 | 120 x 60 x 8 | 20.1 | 180 x 100 x 6 | 24.9 |
| 80 x 40 x 6 | 9.9 | 120 x 60 x 10 | 24.6 | 180 x 100 x 6.3 | 26.1 |
| 80 x 40 x 6.3 | 10.3 | 120 x80x 3.6 | 10.8 | 180 x 100 x 8 | 32.6 |
| 80 x 40 x 8 | 12.5 | 120 x80x4 | 11.9 | 180 x 100 x 10 | 40 |
| 90 x 50 x 3 | 6.2 | 120 x80x5 | 14.7 | 180 x 100 x 12 | 47 |
| 90 x 50 x 3.2 | 6.6 | 120 x80x6 | 17.4 | 180x100x 12.5 | 48.7 |
| 90 x 50 x 3.6 | 7.4 | 120 x80x 6.3 | 18.2 | 200 x 100 x 4 | 18.1 |
| 90 x 50 x 4 | 8.2 | 120 x80x8 | 22.6 | 200 x 100 x 5 | 22.6 |
| 90 x 50 x 5 | 10 | 120 x 80 x 10 | 27.4 | 200 x 100 x 6 | 26.8 |
| 90 x 50 x 6 | 11.8 | 140 x80x4 | 13.2 | 200 x 100 x 6.3 | 28.1 |
| 90 x 50 x 6.3 | 12.3 | 140 x 80 x 5 | 16.3 | 200 x 100 x 8 | 35.1 |
| 90 x 50 x 8 | 15 | 140 x 80 x 6 | 19.3 | 200 x 100 x 10 | 43.1 |
| 200 x 100 x 12 | 50.8 | 260x180x 12.5 | 80.1 | 500 x 300 x 8 | 97.9 |
| 200x100x 12.5 | 52.7 | 260 x 180 x 16 | 100 | 500 x 300 x 10 | 122 |
| 200 x 100 x 16 | 65.2 | 300 x 200 x 5 | 38.3 | 500 x 300 x 12 | 145 |
| 200 x 120 x 6 | 28.7 | 300 x 200 x 6 | 45.7 | 500x300x 12.5 | 151 |
| 200 x 120 x 6.3 | 29.9 | 300 x 200 x 6.3 | 47.9 | 500 x 300 x 16 | 191 |
| 200 x 120 x 8 | 37.3 | 300 x 200 x 8 | 60.3 | 500 x 300 x 20 | 235 |
| 200 x 120 x 10 | 45.9 | 300 x 200 x 10 | 74.5 | 350 x 250 x 6.3 | 57.8 |
| 200 x 120 x 12 | 54.5 | 300 x 200 x 12 | 88.5 | 350 x 250 x 8 | 72.8 |
| 200x120x 12.5 | 55.7 | 300x200x 12.5 | 91.9 | 350 x 250 x 10 | 90.2 |
| 250 x 150 x 5 | 30.4 | 300 x 200 x 16 | 115 | 350 x 250 X 12 | 107 |
| 250 x 150 x 6 | 36.2 | 350 x 250 x 6 | 55.1 | 350x250x 12.5 | 112 |
| 250 x 150 x 6.3 | 38 | 350 x 250 x 6.3 | 57.8 | 350 x 250 x 16 | 141 |
| 250 x 150 x 8 | 47.7 | 350 x 250 x 8 | 72.8 | 400 x 200 x 6 | 55.1 |
| 250 x 150 x 10 | 58.8 | 350 x 250 x 10 | 90.2 | 400 x 200 x 6.3 | 57.8 |
| 250 x 150 x 12 | 69.6 | 350 x 250 x 12 | 107 | 400 x 200 x 8 | 72.8 |
| 250 x 150 x 12.5 | 72.3 | 350 x250 x 12.5 | 112 | 400x200x 12.5 | 112 |
| 250 x 150 x 16 | 90.3 | 350 x 250 x 16 | 141 | 400 x 200 x 16 | 141 |
| 260 x 180 x 6 | 40 | 400 x 200 x 6 | 55.1 | 450 x 250 x 8 | 85.4 |
| 260 x 180 x 6.3 | 41.9 | 400 x 200 x 6.3 | 57.8 | 450 x 250 x 10 | 106 |
| 260 x 180 x 8 | 52.7 | 400 x 200 x 8 | 72.8 | 450 x 250 x 12 | 126 |
| 260 x 180 x 10 | 65.1 | 400 x 200 x 10 | 90.2 | 450x250x 12.5 | 131 |
| 260 x 180 x 12 | 77.2 | 400 x 200 x 12 | 107 | 450 x 250 x 16 | 166 |
| 90 x 50 x 3.2 | 6.6 | 120 x80x6 | 17.4 | 180x100x 12.5 | 48.7 |
| 90 x 50 x 3.6 | 7.4 | 120 x80x 6.3 | 18.2 | 200 x 100 x 4 | 18.1 |
| 90 x 50 x 4 | 8.2 | 120 x80x8 | 22.6 | 200 x 100 x 5 | 22.6 |
| 90 x 50 x 5 | 10 | 120 x 80 x 10 | 27.4 | 200 x 100 x 6 | 26.8 |
| 90 x 50 x 6 | 11.8 | 140 x80x4 | 13.2 | 200 x 100 x 6.3 | 28.1 |
| 90 x 50 x 6.3 | 12.3 | 140 x 80 x 5 | 16.3 | 200 x 100 x 8 | 35.1 |
| 90 x 50 x 8 | 15 | 140 x 80 x 6 | 19.3 | 200 x 100 x 10 | 43.1 |
| 200 x 100 x 12 | 50.8 | 260x180x 12.5 | 80.1 | 500 x 300 x 8 | 97.9 |
| 200x100x 12.5 | 52.7 | 260 x 180 x 16 | 100 | 500 x 300 x 10 | 122 |
| 200 x 100 x 16 | 65.2 | 300 x 200 x 5 | 38.3 | 500 x 300 x 12 | 145 |
| 200 x 120 x 6 | 28.7 | 300 x 200 x 6 | 45.7 | 500x300x 12.5 | 151 |
| 200 x 120 x 6.3 | 29.9 | 300 x 200 x 6.3 | 47.9 | 500 x 300 x 16 | 191 |
| 200 x 120 x 8 | 37.3 | 300 x 200 x 8 | 60.3 | 500 x 300 x 20 | 235 |
| 200 x 120 x 10 | 45.9 | 300 x 200 x 10 | 74.5 | 350 x 250 x 6.3 | 57.8 |
| 200 x 120 x 12 | 54.5 | 300 x 200 x 12 | 88.5 | 350 x 250 x 8 | 72.8 |
| 200x120x 12.5 | 55.7 | 300x200x 12.5 | 91.9 | 350 x 250 x 10 | 90.2 |
| 250 x 150 x 5 | 30.4 | 300 x 200 x 16 | 115 | 350 x 250 X 12 | 107 |
| 250 x 150 x 6 | 36.2 | 350 x 250 x 6 | 55.1 | 350x250x 12.5 | 112 |
| 250 x 150 x 6.3 | 38 | 350 x 250 x 6.3 | 57.8 | 350 x 250 x 16 | 141 |
| 250 x 150 x 8 | 47.7 | 350 x 250 x 8 | 72.8 | 400 x 200 x 6 | 55.1 |
| 250 x 150 x 10 | 58.8 | 350 x 250 x 10 | 90.2 | 400 x 200 x 6.3 | 57.8 |
| 250 x 150 x 12 | 69.6 | 350 x 250 x 12 | 107 | 400 x 200 x 8 | 72.8 |
| 250 x 150 x 12.5 | 72.3 | 350 x250 x 12.5 | 112 | 400x200x 12.5 | 112 |
| 250 x 150 x 16 | 90.3 | 350 x 250 x 16 | 141 | 400 x 200 x 16 | 141 |
| 260 x 180 x 6 | 40 | 400 x 200 x 6 | 55.1 | 450 x 250 x 8 | 85.4 |
Production line of Corrugated square galvanized steel pipe iron rectangular tube
Processing of Corrugated square galvanized steel pipe iron rectangular tube
Urban/civil construction pipe
Machine structure pipe
Agriculture equipment pipe
Water and gas pipe
Greenhouse pipe
Scaffolding pipe
Building material tube
Furniture tube
Low pressure fluid tube
Shandong Zhuosheng Steel Co.,Ltd is a large-scale iron and steel enterprise integrating iron and steel production, processing, distribution and trade. The comprehensive strength has jumped to the forefront of the domestic steel industry.
Zhuosheng Steel is committed to the research and development, production and processing of carbon steel and profiles and pipes, with strong research and development strength and reliable quality assurance capabilities. Products are suitable for nuclear power, aviation, marine engineering, oil exploration, construction and other fields. The comprehensive annual production capacity is 500,000 tons, and the products are exported to more than 100 countries and regions.
We are based in Shandong Province, China, start from 2011,sell carbon steel coil , carbon steel pipe , carbon steel sheet and rod , stainless steel sheet , pipe rod, steel wire and coil , galvanized steel pipe , rod, coil and GI Sheet to South America(10.00%),South east Asia(20.00%), Africa(20.00%),South Asia(10.00%),Mid East(30.00%),North America(10.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment; the third
party testing is allowed
.we have get the ISO and CE certification .
3.what can you buy from us?
carbon steel and stainless steel and galvanized steel , SUPER GALUMSGLCSGCDUNILUME , SGLD , color bond Hot-Dip Al-Zn Alloy-Coated Steel SheetAl-Zn alloy coated steel , PPGL ,Steel Plate, Roofing Sheet,PPGI,Galvalume Steel,Galvanized Steel ETC.
4. why should you buy from us not from other suppliers?
Shandong Zhuosheng Steel Co.,Ltd belongs to Zhuosheng Group. There are 16 branch companies in our group, including 5 foreign trade companies, 12 domestic trade companies and one steel factory. We can supply all kinds of steel one-stop shop, welcome contact!
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,Western Union,Cash;
Language Spoken:English,Chinese,Spanish . 
We are based in Shandong Province, China, start from 2011,sell carbon steel coil , carbon steel pipe , carbon steel sheet and rod , stainless steel sheet , pipe rod, steel wire and coil , galvanized steel pipe , rod, coil and GI Sheet to South America(10.00%),South east Asia(20.00%), Africa(20.00%),South Asia(10.00%),Mid East(30.00%),North America(10.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment; the third
party testing is allowed
.we have get the ISO and CE certification .
3.what can you buy from us?
carbon steel and stainless steel and galvanized steel , SUPER GALUMSGLCSGCDUNILUME , SGLD , color bond Hot-Dip Al-Zn Alloy-Coated Steel SheetAl-Zn alloy coated steel , PPGL ,Steel Plate, Roofing Sheet,PPGI,Galvalume Steel,Galvanized Steel ETC.
4. why should you buy from us not from other suppliers?
Shandong Zhuosheng Steel Co.,Ltd belongs to Zhuosheng Group. There are 16 branch companies in our group, including 5 foreign trade companies, 12 domestic trade companies and one steel factory. We can supply all kinds of steel one-stop shop, welcome contact!
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,Western Union,Cash;
Language Spoken:English,Chinese,Spanish .