Leading Manufacturer for Q345 Round Steel Pipe - ASTM A500 Square and Rectangular Steel Pipe – Youfa

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Our mission is usually to turn into an innovative provider of high-tech digital and communication devices by furnishing benefit added design and style, world-class manufacturing, and service capabilities for Galvanized Erw Pipes, Thick Wall Carbon Steel Pipe Rectangular Tube, Building Materials Spiral Steel Pipe, We've been honest and open up. We glance ahead on your pay a visit to and developing trustworthy and long-term standing relationship.
Leading Manufacturer for Q345 Round Steel Pipe - ASTM A500 Square and Rectangular Steel Pipe – Youfa Detail:

Product Square and Rectangular Steel Pipe
Material Carbon Steel
Grade Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q345 = S355JR / A500 Grade B Grade C
Standard DIN 2440, ISO 65, EN10219GB/T 6728JIS 3444 /3466ASTM A53, A500, A36
Specification Square Hollow: 20*20-500*500mmRectangular Hollow: 20*40-300*500mm

Thickness: 1.0-30.0mm

Length: 2-12m

Surface Bare/Natural BlackPainted or Oiled with or without wrapped
Ends Plain ends

square big pipe 12square big size pipe

square stock pipe

Strict Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates


learn more about certificates

quality control

Packing and Delivery:
Packing Details : in hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles.
Delivery Details : Depending on the QTY, normally one month.


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Leading Manufacturer for Q345 Round Steel Pipe - ASTM A500 Square and Rectangular Steel Pipe – Youfa detail pictures


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Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for Leading Manufacturer for Q345 Round Steel Pipe - ASTM A500 Square and Rectangular Steel Pipe – Youfa, The product will supply to all over the world, such as: Mauritius, Swedish, Congo, We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you with our high-quality products and solutions and perfect service . We also warmly welcome customers to visit our company and purchase our products.
  • Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Elsie from Albania - 2015.12.30 10:21
    The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Nana from Birmingham - 2016.03.07 13:42