Cold Rolled/Hot Rolled Carbon Seamless Steel Pipe API5l A106 A53 Sch40 ERW Spiral Welded/Galvanized/Alloy/ Round/Square Seamless Pipe

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Product Description

Basic Information

⚙️ Material: Carbon Steel
🎨 Surface: Black Treatment
🏗️ Shape: Round Section
📦 Package: Standard Bundling
📍 Origin: China
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We are a premium supplier and processor of specialty stainless steel, high temperature stainless grades, corrosion resistant stainless grades and duplex materials. Our offerings include multiple product forms such as plates, bars, tubular, and structural forms. Over the years, our dedication to the industry has allowed us to provide high-quality products at competitive rates, utilizing state-of-the-art manufacturing processes and contemporary technologies.

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ERW Steel Pipe Specifications

  • Sizes: Outer Diameter 1/2"-24"; Wall Thickness 1.65-20mm
  • Length: 3-12m or customized; Ends: Plain, Beveled, or Threaded
  • Standards: API 5L, ASTM A53, ASTM A178, ASTM A500/501, EN 10217
  • Steel Grades: API 5L (Gr.B to X70), ASTM A53 Gr.A/B, EN S275/S355, GB Q235/Q345
  • Applications: Line Pipe, Casing, Structure Tube, High Pressure/Temperature systems
  • Surface Finish: Galvanized, Black, Varnish, Anti-rust oil, 3-layer PE coating

Chemical & Mechanical Properties

Standard Grade Chemical Composition (max)% Mechanical Properties (min)
C Mn Si S P Yield (Mpa) Tensile (Mpa)
GB/T700-2006 Grade A 0.22 1.4 0.35 0.050 0.045 235 370
Grade B 0.2 1.4 0.35 0.045 0.045 235 370
BS EN10025 S235JR 0.17 1.4 - 0.035 0.035 235 360
S355JR 0.24 1.6 - 0.035 0.035 355 470
API 5L PSL1 Grade B 0.26 1.2 - 0.03 0.03 245 415
X52 0.26 1.4 - 0.03 0.03 360 460

Quality Assurance

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Our manufacturing processes adhere to stringent quality standards. Every material used is of premium quality and processed using the latest machinery. A dedicated quality control team supervises every aspect of production, from chemical analysis to mechanical property tests (Tensile, Yield, Elongation) and non-destructive testing (ET, RT, UT).

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Frequently Asked Questions

What are the main products available?
The main products include carbon steel welded pipes (LSAW, ERW, SSAW), seamless pipes, and various pipe fittings such as flanges, elbows, tees, and reducers.
What are the primary advantages of your manufacturing?
We focus on offering the finest quality products at highly competitive rates, backed by advanced manufacturing technology.
How is product quality controlled?
A professional QC team monitors the entire production cycle. Regular tests including chemical analysis, hydrostatic tests, and NDT inspections ensure consistent quality.
Which regions do you export to?
Our products are exported to over 50 countries, including the Middle East, Russia, USA, Australia, Germany, and Southeast Asia.
Can samples be provided?
Yes, small stock samples can be provided for free. Customized samples typically take 2-3 days to prepare.
What are the standard payment terms?
We support T/T (30% deposit, 70% before shipment), L/C at sight (30-120 days), and other secure online payment methods.

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