Main Products: Profile ,Pipe ,Plate/coil ,Rebar ,sample processing
Zinc coated fence galvanized steel pipe square/Rectangular/round/oval tube
USD $340 - $380 /Ton
Min.Order:15 Tons
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Tianjin HONG TANG DA Steel Co., Ltd.
Business Type: Trading Company
Tangshan Hebei ChinaMain Products: Profile ,Pipe ,Plate/coil ,Rebar ,sample processingProduct Details
GI/Zinc-coating steel square/Rectangular/round/oval pipe
The galvanized square/rectangular/round/oval pipe and tube is the hollow section steel. The pipe is welded steel pipe with the surface of hot dip coating or pre-galvanized. The strong anti corrosive is increased and extended the lifetime by zinc coating.
Specifications:
| Commodity | Galvanized steel pipe/tube | |
| galvanized square steel pipe | OD | 15*15mm—100*100mm |
| Wall Thickness | 0.6mm-6.0mm | |
| galvanized rectangular steel pipe | OD | 15*30mm—100*60mm |
| Wall Thickness | 0.6mm-6.0mm | |
| galvanized round steel pipe | OD | 15-100mm |
| Wall Thickness | 0.6mm-6.0mm | |
| galvanized oval steel pipe | O.D. | 60mm X30mm; 75mm X30mm; 40mm X20mm; 50mm X25mm; 70mm X30mm. |
| Wall Thickness | 0.5-15mm | |
| Length | 5.8m/6m, 12m max, or as per customer’s requirements | |
| Material | Q195, Q215, Q235; Q195 → Grade B, SS330,SPHC, S185 Q215 → Grade C,CS Type B,SS330, SPHC | |
| zinc-coating | pre galvanized steel pipe: 30-150g/m2 hot dipped galvanized steel pipe:200-400g/m2 | |
| Technique | ERW,ERW Galvanized Pipe/tube | |
| Surface Treatment | Galvanized, black, oiled | |
| application | Construction,machine structure pipe, Agriculture equipment pipe, Water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, et | |
| Package | 1.Large OD: in bulk 2.Small OD: Packed by steel strips, in bundle 3.As per to clients | |
Non Destructive Exam:
1. Visual Testing
2.Radiographic Testing
3.Ultrasonic Testing
4. Magnetic Particle Testing
5. Penetrant Testing
6.Eddy current Testing
7. Acoustic Emission Detection Contents
Fabrication Process :
(black pipe examination) →(acid washing) →(water washing)
→(solventcoating)→(lining)→(drying)→(passivation)→(examination) →(water cooling)
→(insideblasting) →(outsideblasting) →(galvanizing) →(proceed cleaning) →(drying)
→(printing) →(sprinkling passivation) →(packing) →(final examination storage)
The Mechanics Properties of Square and Rectangular Pipe
| steel grade | soft status steel pipe | low hard status steel pipe | ||
| tensile strength (Mpa) | elongation (%) | tensile strength (Mpa) | elongation (%) | |
| no less than | ||||
| Q195 | 315 | 22 | 335 | 14 |
| Q215 | 335 | 22 | 355 | 13 |
| Q235 | 375 | 20 | 380 | 9 |
| 8 | 315 | 22 | 373 | 13 |
| 10 | 315 | 22 | 373 | 13 |
| 15 | 345 | 20 | 400 | 11 |
| 20 | 380 | 19 | 440 | 9 |
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