Tianjin Brisk Metalwork Co., Ltd. is one of the leading manufacturers and suppliers of 50 x 50 box section in China. We have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy bulk durable 50 x 50 box section from our factory.
Tianjin BRISK STEEL is one of the manufacturers of 50 x 50 box section in China. Our products are mainly exported to the Middle East, Southeast Asia, Europe, New Zealand, and other regions.If you would like to learn more about our products, feel free to contact us and send your purchase list.
PRODUCT
Tianjin BRISK STEEL focus on produce and supply hollow section and steel pipe
What can we offer：
|
Product Name |
50 x 50 box section |
|
Wall Thickness |
0.5 - 12mm |
|
Length |
5.8m,6m,12m or as customer required |
|
Grade |
ASTM A500/ASTM A501: Gr.B, Gr.C EN 10219/EN 10210: S275J0H, S275J2H, S355J0H, S355J2H, S355JR, S355K2H,S355NH,S420,S460NH AS/NZS 1163: C350, C350L0, C450, C450L0 JIS G 3466: STKR400, STKR490 ASTM A618 III |
|
Packing |
Bundle Or Bulk |
|
Surface Treatment |
Paint, Galvanized, Oiled, FBE, Black varnish. |
|
Process |
Hot rolled, Black tubes, Cold rolled |
|
Origin |
China |
Precess And Features
- High-frequency welded square tube (mainstream): Hot-rolled/cold-rolled steel strip → cold bending → high-frequency resistance welding → cut to length; high weld quality, controllable cost
- Seamless square tube: used in a few high-end applications, cold-drawn/extruded from round seamless tubes, no weld seams, better pressure resistance
SMLS VS ERW Box Section
| Seamless Tubes | ERW tubes | |
| OD | 1/8-36inch 10mm-762mm |
1/2 - 24 INCH 21.3 - 610 MM |
| WT | 1.25-50mm | MAX 26.5 MM |
| Pressure resistance | High pressure resistance, impact resistance | Meets normal pressure / low pressure requirements |
| Crack Resistance |
there should be no risk of weld cracking. |
It will not crack under normal use. |
| Dimensional accuracy | generally | High |
| Surface quality | Rough | Smooth and beautiful |
Under what circumstances should seamless steel pipes be selected
- Seamless construction is preferred for: high pressure, high temperature, high strength, areas where welding is strictly prohibited, precision machinery, and hazardous media
- hydraulic systems, oil cylinders, and pneumatic cylinders;
- high-pressure pipelines, steam, and oil/gas transportation;
- mechanical spindles, bushings, and precision equipment structures;
- heavy-duty, high-vibration, and long-term fatigue conditions;
- boilers, heat exchangers, and high-temperature environments;
- safety structures with zero tolerance for welds.
When to choose high-frequency welded steel pipes
- Welded pipes are preferred for: conventional structures, construction, supports, decoration, normal pressure applications, and cost-sensitive applications.
- building scaffolding, steel structures, columns and beams;
- curtain walls, railings, guardrails, awnings, and greenhouses;
- equipment racks, assembly lines, and shelving;
- low-pressure pipelines for water, gas, and fire protection;
- and decoration, doors and windows, furniture, and display stands.
- 95% of projects, construction sites, and factories can use welded pipes.
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