China OEM Big Size Carbon Steel Line Pipes - Low MOQ for Material Carbon Steel Construction Shs Specification 500×500 Square Steel Tube Youfa Brand the biggest manufacturer for carbon steel pipe – Youfa

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We always stick to the principle "Quality First, Prestige Supreme". We are fully committed to providing our clients with competitively priced quality products, prompt delivery and professional service for Asme B36.10 Hot Rolled Carbon Steel, Bsp Threaded Steel Pipe, Carbon Steel Square/Rectangular/Round Tube Pipe, We are able to customize the solutions according to your needs and we can easily pack it for you when you purchase.
China OEM Big Size Carbon Steel Line Pipes - Low MOQ for Material Carbon Steel Construction Shs Specification 500×500 Square Steel Tube Youfa Brand the biggest manufacturer for carbon steel pipe – Youfa Detail:

owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers. We are an energetic business with wide market for Low MOQ for Material Carbon Steel Construction Shs Specification 500x500 Square Steel Tube Youfa Brand the biggest manufacturer for carbon steel pipe, Standing still today and seeking into the longer term, we sincerely welcome customers all over the environment to cooperate with us.
owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers. We are an energetic business with wide market for 500x500 Square Steel Tube, steel construction shs 500x500 square steel tube, Steel Square Tube Material Specifications, We welcome an opportunity to do business with you and hope to have pleasure in attaching further details of our items. Excellent quality, competitive price, punctual delivery and dependable service can be guaranteed. For further inquires you should do not hesitate to contact us.

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 /3466

ASTM A53, A500, A36

Surface Bare/Natural BlackPaintedOiled with or without wrapped
Ends Plain ends
Specification OD: 20*20-500*500mm ; 20*40-300*500mmThickness: 1.0-30.0mmLength: 2-12m

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:

China OEM Big Size Carbon Steel Line Pipes - Low MOQ for Material Carbon Steel Construction Shs Specification 500×500 Square Steel Tube Youfa Brand the biggest manufacturer for carbon steel pipe – Youfa detail pictures


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To meet the customers' over-expected pleasure , now we have our potent staff to offer our greatest general service which includes internet marketing, sales, planning, output, quality controlling, packing, warehousing and logistics for China OEM Big Size Carbon Steel Line Pipes - Low MOQ for Material Carbon Steel Construction Shs Specification 500×500 Square Steel Tube Youfa Brand the biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: Pakistan, Canberra, Tajikistan, By adhering to the principle of "human oriented, winning by quality", our company sincerely welcomes merchants from at home and abroad to visit us, talk business with us and jointly create a brilliant future.
  • Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Marco from Bogota - 2015.09.21 11:01
    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Jamie from Liberia - 2016.09.26 12:12