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Specification of  ASTM A500 ERW Structural Mild Steel Square Pipes | ||||||
Square steel pipe | Size | WT(mm) | Â | Â Rectangular steel pipe | Â Size | WT(mm) |
 20*20 |  1.0-2.5 |  20*30 |  1.0-2.75 | |||
 25*25 |  1.0-2.75 |  20*40 |  1.0-2.75 | |||
 30*30 |  1.0-2.75 |  25*40 |  1.0-2.75 | |||
 40*40 |  1.2-3.75 |  30*50 |  1.0-4.75 | |||
 50*50 |  1.2-5.75 |  30*60 |  1.2-4.75 | |||
 60*60 |  1.2-5.75 |  40*50 |  1.2-4.75 | |||
 70*70 |  1.2-5.75 |  40*80 |  1.2-4.75 | |||
 80*80 |  1.2-5.75 |  50*70 |  1.3-4.75 | |||
 90*90 |  1.2-5.75 |  50*80 |  1.3-4.75 | |||
 100*100 |  1.5-12 |  60*90 |  1.3-4.75 | |||
 120*120 |  2.5-12 |  50*100 |  1.3-5.75 | |||
 140*140 |  2.75-16 |  50*150 |  1.3-5.75 | |||
 150*150 |  2.75-16 |  60*160 |  1.3-5.75 | |||
 160*160 |  3.0-16 |  100*150 |  2.5-16 | |||
 180*180 |  3.0-16 |  100*200 |  2.5-16 | |||
 200*200 |  3.0-16 |  100*250 |  2.5-16 | |||
 250*250 |  4.75-16 |  150*300 |  4.5-16 | |||
 300*300 |  4.75-16 |  200*300 |  5.5-16 | |||
 400*400 |  4.75-25 |  300*500 |  5.5-16 |
Material:
Q195~Q215---Grade A ,CS Type B
Q235---Grade B, SS400, S235JR, S235JO, S235J2
Q345---Grade C, SS500
10#, 20#, 45#, etc
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Size: 20*20-400*400mm/ 20*30-300*500mm
WT: 1.0-25mm
Surface Treatment:
1, Oiled
2, Galvanized
3, Painting black
4, According to the customers' requirement
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Packing and Shipping
Package 1. in bundle only. packed with steel strip    2. in bundle and PVC plastic package
Operating Since 2000Â
Tianjin Youfa Steel Pipe Group was founded in 2000, with headquarters located at the largest welded pipe production base in Daqiuzhuang Village, Tianjin City, China. We are a large-scale steel pipe manufacturing enterprise producing many kinds of pipes, such as ERW steel pipes, hot-dip galvanized steel pipes, oil casing pipes, SSAW steel pipes, square/rectangular steel pipes and steel-plastic complex steel pipes.Tianjin Youfa International Trade Co. Ltd is a subsidiary company of Tianjin Youfa Steel Pipe Group.
Supported by 14 Subsidiaries and 6,000 EmployeesÂ
Currently, we have 14 subsidiaries, and branches in Tianjin, Tangshan, Handan and Dezhou. There are a total of 6,000 employees who operate 59 ERW steel pipe production lines, 34 hot-dip galvanized steel pipe production lines, nine SSAW steel pipe production lines, eight steel plastic complex steel pipe production lines and one national accredited business technology center. In 2016, we produced 12 million tons of all kinds of steel pipes.
High Quality Guaranteed
Our steel pipe production and sale, in three consecutive years, increased progressively, amounting to more than 1 million tons. Our YOUFA brand was affirmed as "Renowned Brand in China" by SAIC Trademark Bureau in March 2008. Our ERW steel pipes, hot-dip galvanized steel pipes and SSAW steel pipes have been awarded as "Famous Brand Product of Tianjin" by Tianjin Government for many consecutive years.
We look forward to working with you in the near future. Contact us now to know more regarding our products and services.
Youfa brand high quality ASTM A500 ERW Structural Mild Steel Square Pipe
---------------------------------------------------------------------------------------------------------------
Contacts information
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Specification of  ASTM A500 ERW Structural Mild Steel Square Pipes | ||||||
Square steel pipe | Size | WT(mm) | Â | Â Rectangular steel pipe | Â Size | WT(mm) |
 20*20 |  1.0-2.5 |  20*30 |  1.0-2.75 | |||
 25*25 |  1.0-2.75 |  20*40 |  1.0-2.75 | |||
 30*30 |  1.0-2.75 |  25*40 |  1.0-2.75 | |||
 40*40 |  1.2-3.75 |  30*50 |  1.0-4.75 | |||
 50*50 |  1.2-5.75 |  30*60 |  1.2-4.75 | |||
 60*60 |  1.2-5.75 |  40*50 |  1.2-4.75 | |||
 70*70 |  1.2-5.75 |  40*80 |  1.2-4.75 | |||
 80*80 |  1.2-5.75 |  50*70 |  1.3-4.75 | |||
 90*90 |  1.2-5.75 |  50*80 |  1.3-4.75 | |||
 100*100 |  1.5-12 |  60*90 |  1.3-4.75 | |||
 120*120 |  2.5-12 |  50*100 |  1.3-5.75 | |||
 140*140 |  2.75-16 |  50*150 |  1.3-5.75 | |||
 150*150 |  2.75-16 |  60*160 |  1.3-5.75 | |||
 160*160 |  3.0-16 |  100*150 |  2.5-16 | |||
 180*180 |  3.0-16 |  100*200 |  2.5-16 | |||
 200*200 |  3.0-16 |  100*250 |  2.5-16 | |||
 250*250 |  4.75-16 |  150*300 |  4.5-16 | |||
 300*300 |  4.75-16 |  200*300 |  5.5-16 | |||
 400*400 |  4.75-25 |  300*500 |  5.5-16 |
Material:
Q195~Q215---Grade A ,CS Type B
Q235---Grade B, SS400, S235JR, S235JO, S235J2
Q345---Grade C, SS500
10#, 20#, 45#, etc
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Size: 20*20-400*400mm/ 20*30-300*500mm
WT: 1.0-25mm
Surface Treatment:
1, Oiled
2, Galvanized
3, Painting black
4, According to the customers' requirement
Â
Â
-------------------------------------
Packing and Shipping
Package 1. in bundle only. packed with steel strip    2. in bundle and PVC plastic package
Operating Since 2000Â
Tianjin Youfa Steel Pipe Group was founded in 2000, with headquarters located at the largest welded pipe production base in Daqiuzhuang Village, Tianjin City, China. We are a large-scale steel pipe manufacturing enterprise producing many kinds of pipes, such as ERW steel pipes, hot-dip galvanized steel pipes, oil casing pipes, SSAW steel pipes, square/rectangular steel pipes and steel-plastic complex steel pipes.Tianjin Youfa International Trade Co. Ltd is a subsidiary company of Tianjin Youfa Steel Pipe Group.
Supported by 14 Subsidiaries and 6,000 EmployeesÂ
Currently, we have 14 subsidiaries, and branches in Tianjin, Tangshan, Handan and Dezhou. There are a total of 6,000 employees who operate 59 ERW steel pipe production lines, 34 hot-dip galvanized steel pipe production lines, nine SSAW steel pipe production lines, eight steel plastic complex steel pipe production lines and one national accredited business technology center. In 2016, we produced 12 million tons of all kinds of steel pipes.
High Quality Guaranteed
Our steel pipe production and sale, in three consecutive years, increased progressively, amounting to more than 1 million tons. Our YOUFA brand was affirmed as "Renowned Brand in China" by SAIC Trademark Bureau in March 2008. Our ERW steel pipes, hot-dip galvanized steel pipes and SSAW steel pipes have been awarded as "Famous Brand Product of Tianjin" by Tianjin Government for many consecutive years.
We look forward to working with you in the near future. Contact us now to know more regarding our products and services.
Youfa brand high quality ASTM A500 ERW Structural Mild Steel Square Pipe
---------------------------------------------------------------------------------------------------------------
Contacts information
Â
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