Ss400 3inch Non Secondary Black ERW Mild Steel Pipe

Model NO.: DN15-DN200 YAE 1235
Commodity: Ss400 3inch Non Secondary Black ERW Mild Steel Pip
Outer Diameter: 1/2inch--8inch (21.3--219.1mm)
Wall Thickness: 1.3--10.0mm
Length: 5.8/6/12m or Customized
Surface: Oilded or Black Painted to Prevent The Rust
Producing Standard: ASTM A53/ BS1387/ GB/T3091/ En10219 and So on
Steel Material: Q195, Q235, Q345, X42
Producing Technique: Hot Rolled, High Frequency Welded
Brand: Youfa
Pipe Usage: Construction, Fluid Transport
Trademark: Youfa
Transport Package: PVC
Specification: 1/2inch --8inch
Origin: China
HS Code: 73063090


Products in detials


SS400 3inch Non Secondary Black ERW Mild Steel Pipe

Outer diameter

1/2''-8'' (DN15-DN200)



Wall thickness




Price Range

500-650 usd/ton




5.8m/6m/12m or based on your request


GB/T3091, ASTM A53, BS1387, BS1139, EN39, EN10219, ISO65, API 5L and so on


Oiled to prevent the rust or Black painted

End finish

Plain/ beveled ends with plastic caps, threaded with sockets or grooved both ends


Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Low


Pressure fluid pipe for water oil or gas, Boiler pipe.


hydraulic testing as your request 


In bundles, packed in woven bag  or as your request.

Delivery time

Within 30 days or as your request

Payment Terms

T/T or L/C at sight

Contact info

 Contact Person: Ms. Allen Ai


Products Display

Ss400 3inch Non Secondary Black ERW Mild Steel Pipe
Ss400 3inch Non Secondary Black ERW Mild Steel Pipe
Ss400 3inch Non Secondary Black ERW Mild Steel Pipe
Ss400 3inch Non Secondary Black ERW Mild Steel PipeSs400 3inch Non Secondary Black ERW Mild Steel Pipe

Producing Process -- ERW 

  Split    >>  Uncoiling     >>  Coil Flatten     >>   Cut End    >>   Shear & Weld     >>   Spiral Accumulator 

 >>  Forming   >>   High Frequency Welding    >>    Seam Annealing     >>   Air Cooling& Water Cooling  

 >>  Seam& Full Body UT Test    >>  Sizing    >>   Cut Off    >>  V isual Inspection    >>   Hydrostatic Test 

 >>  Plain End& Bevel End   >>  Flat Test   >>  Marking   >>  Storage  

Standard Reference -- BS1387:1985

Norminal Size Wall Thickness (mm) Outer Diameter (mm)
mm inch A B C A B C
15 1/2" 2.0 2.6 3.2 21.0-21.4 21.1-21.7 21.1-21.7
20 3/4" 2.3 2.6 3.2 26.4-26.9 26.6-27.2 26.6-27.2
25 1" 2.6 3.2 4.0 33.2-33.8 33.4-34.2 33.4-34.2
32 1 1/4" 2.6 3.2 4.0 41.9-42.5 42.1-42.9 42.1-42.9
40 1 1/2" 2.9 3.2 4.0 47.8-48.4 48.0-48.8 48.0-48.8
50 2" 2.9 3.2 4.5 59.6-60.2 59.8-60.8 59.8-60.8
65 2 1/2" 3.2 3.6 4.5 75.2-76.0 75.4-76.6 75.4-76.6
80 3" 3.2 4.0 5.0 87.9-88.7 88.1-89.5 88.1-89.5
100 4" 3.6 4.5 5.4 113.0-113.9 113.3-114.9 113.3-114.9
125 5" -- 5.0 5.4 -- 138.7-140.6 138.7-140.6
150 6" -- 5.0 5.4 -- 164.1-166.1 164.1-166.1

Company profile -- Tianjin Youfa Steel Pipe Group

This is Allen Ai from Tianjin Youfa Steel Pipe Group Co.Ltd. Tianjin Youfa International Trade Co. Ltd is one of the subsidiaries, which specialized in export trade.
Our company was founded on July 1, 2000, with headquarters located at the largest welded pipe production base in China - Daqiuzhuang Village, Tianjin City. We are a large-scale steel pipe manufacturing enterprise producing many kinds of pipes showed in the following sheet.

Main Products Size Wall Thickness Production Line Producing Capacity
ERW steel pipe  1/2" -- 8" 1.5mm--10.0mm 13 1,000,000 tons per yesr
Hot-dipped galvanized steel pipe  1/2"-8" 1.5mm--10.0mm 18 1,500,000 tons per year
Oil casing pipe, SSAW steel pipe  219mm-2020mm 5.0mm--28mm 5 150,000 tons per year
Square/rectangular steel pipe  20x20--400x400mm,20x40--400x600mm 1.3mm--20mm 10 800,000 tons per year
Hot-dip galvanized square/rectangular steel pipe  20x20--200x200mm,20x40--250x150mm 1.5mm--7.5mm 3 250,000 tons per year
Steel-plastic complex steel pipe  1/2"--12" 1.5mm--10.0mm 9 100,000 tons per year

High Qaulity 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.

Welcome your contact to our company if you are interested in our products, the best quality and competitive price will be offered.


Ss400 3inch Non Secondary Black ERW Mild Steel Pipe


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