we are top supplier in Tianjin with over ten years experience in manufacturing and exporting steel pipe. Our main market is South America, Southeast Asia, Middle east, South Korea, India,etc. Best quality, reasonable price and professional service will be your best choice.
ASTM A500 Square steel pipe | |||||||||
Specification (mm) | Thickness (mm) | Specification (mm) | Thickness (mm) | ||||||
15*15 | 0.8-1.3 | 250*250 | 3.0-10.0 | ||||||
20*20 | 0.8-2.0 | 300*300 | 3.0-10.0 | ||||||
25*25 | 0.8-2.75 | 10*20 | 0.8-1.3 | ||||||
30*30 | 0.8-2.75 | 15*30 | 0.8-1.5 | ||||||
40*40 | 1.0-4.0 | 20*30 | 0.8-2.5 | ||||||
50*50 | 1.0-4.0 | 20*40 | 0.8-2.75 | ||||||
60*60 | 1.5-4.0 | 25*50 | 1.0-4.0 | ||||||
70*70 | 1.5-5.0 | 30*40 | 1.0-4.0 | ||||||
80*80 | 1.5-5.0 | 30*50 | 1.5-4.0 | ||||||
100*100 | 2.0-6.0 | 30*60 | 1.5-4.0 | ||||||
110*110 | 2.0-6.0 | 40*60 | 1.5-4.0 | ||||||
120*120 | 2.0-8.0 | 40*80 | 1.5-4.0 | ||||||
140*140 | 3.0-8.0 | 40*100 | 1.5-4.0 | ||||||
150*150 | 3.0-8.0 | 50*80 | 1.5-4.0 | ||||||
200*200 | 3.0-10.0 | 60*80 | 2.0-5.0 |






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we are top supplier in Tianjin with over ten years experience in manufacturing and exporting steel pipe. Our main market is South America, Southeast Asia, Middle east, South Korea, India,etc. Best quality, reasonable price and professional service will be your best choice.
ASTM A500 Square steel pipe | |||||||||
Specification (mm) | Thickness (mm) | Specification (mm) | Thickness (mm) | ||||||
15*15 | 0.8-1.3 | 250*250 | 3.0-10.0 | ||||||
20*20 | 0.8-2.0 | 300*300 | 3.0-10.0 | ||||||
25*25 | 0.8-2.75 | 10*20 | 0.8-1.3 | ||||||
30*30 | 0.8-2.75 | 15*30 | 0.8-1.5 | ||||||
40*40 | 1.0-4.0 | 20*30 | 0.8-2.5 | ||||||
50*50 | 1.0-4.0 | 20*40 | 0.8-2.75 | ||||||
60*60 | 1.5-4.0 | 25*50 | 1.0-4.0 | ||||||
70*70 | 1.5-5.0 | 30*40 | 1.0-4.0 | ||||||
80*80 | 1.5-5.0 | 30*50 | 1.5-4.0 | ||||||
100*100 | 2.0-6.0 | 30*60 | 1.5-4.0 | ||||||
110*110 | 2.0-6.0 | 40*60 | 1.5-4.0 | ||||||
120*120 | 2.0-8.0 | 40*80 | 1.5-4.0 | ||||||
140*140 | 3.0-8.0 | 40*100 | 1.5-4.0 | ||||||
150*150 | 3.0-8.0 | 50*80 | 1.5-4.0 | ||||||
200*200 | 3.0-10.0 | 60*80 | 2.0-5.0 |






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The LED underwater light is a light that is placed under the water. The appearance is small and exquisite, and the appearance is elegant. As an underwater lighting fixture, LED underwater light is widely used in various sightseeing places such as square parks. It is the perfect choice for fountains, theme parks, exhibitions, commercial and art lighting.Most of the materials are made of stainless steel and glass. The types of stainless steel are 201, 304, 316, etc.This lamp is designed with fully tempered safety glass, wide light radiation surface, strong transparency.The interior of the luminaire is highly waterproof and has a protection rating of IP68 or higher .All adopt imported high-power LED as light source, which has obvious advantages such as long life, low power consumption, pure color and no pollution. With the DMX512 control system, it can achieve a variety of color changes.If you want to know more, please contact us.
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