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

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Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for High Quality Trade Assurance Square Steel Pipe, Submerged-Arc Longitudinal Welded Pipe, Astm A214 Carbon Steel Heat Exchanger Welded Pipe, We persistently develop our enterprise spirit "quality lives the business, credit score assures cooperation and retain the motto inside our minds: consumers very first.
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.


Product detail pictures:

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


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To create more benefit for buyers is our business philosophy; shopper growing is our working chase 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: kazakhstan, Mozambique, Spain, Based on our guiding principle of quality is the key to development, we continually strive to exceed our customers' expectations. As such, we sincerely invite all interested companies to contact us for future cooperation, We welcome old and new customers to hold hands together for exploring and developing; For more information, be sure to feel free to contact us. Thanks. Advanced equipment, strict quality control, customer-orientation service, initiative summary and improvement of defects and extensive industry experience enable us to guarantee more customer satisfaction and reputation which, in return, brings us more orders and benefits. If you are interested in any of our merchandise, make sure you feel free to contact us. Inquiry or visit to our company are warmly welcome. We sincerely hope to start a win-win and friendly partnership with you. You can see more details in our website.
  • 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 Flora from Hungary - 2015.11.28 16:25
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Teresa from Sevilla - 2015.09.12 17:18