Reliable Supplier Spiral Welded Seam Steel Pipe Mill - Large Diameter 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*500mm
Rectangular Hollow: 20*40-300*500mm Thickness: 1.0-30.0mm Length: 2-12m |
Surface | Bare/Natural Black
Painted or Oiled with or without wrapped |
Ends | Plain ends |
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
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:

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Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for Reliable Supplier Spiral Welded Seam Steel Pipe Mill - Large Diameter Square and Rectangular Steel Pipe – Youfa, The product will supply to all over the world, such as: Porto, Miami, Puerto Rico, We rely on high-quality materials, perfect design, excellent customer service and the competitive price to win the trust of many customers at home and abroad. 95%products are exported to overseas markets.

The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.

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