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Premium Steel Pipes
Engineered for Strength

Leading manufacturer and supplier of LSAW, SSAW, ERW, and Seamless Steel Pipes in China. Trusted by global industries for quality, durability, and on-time delivery.

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About BotopSteel

Cangzhou Botop International Co., Ltd. is a professional and reliable welded steel pipe manufacturer and seamless steel pipe stockist in China. As one of the biggest stockists of carbon seamless steel pipe in northern China, we maintain over 8,000 tons of inventory monthly, ensuring fast delivery and reliable supply.

As an authorized stockist of Baotou Steel and Jianlong Steel, we guarantee material traceability, strict quality control, and compliance with international standards including API 5L, ASTM, BS EN, and more.

8000+
Tons in Stock Monthly
15+
Years in Industry
Factory Inspection and Testing
UT Test on Welding Seam
Ensuring structural integrity

Our Featured Products

High-quality steel pipes manufactured to meet international standards for diverse industrial applications.

LSAW Steel Pipe

LSAW Steel Pipe

  • Size: 355.6–1500mm × 8–80mm
  • Standard: API 5L, ASTM A252, BS EN10219
  • Material: Gr.B, X42, X52, X70, S355JOH
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Seamless Steel Pipe

Seamless Steel Pipe

  • Size: 13.1–660mm × 2–100mm
  • Material: Carbon & Alloy Steel
  • Grade: Gr.B, X42–X70, P11, P91
View Details
ERW Steel Pipe

ERW Steel Pipe

  • Size: 20–660mm × 2–16mm
  • Standard: API 5L, ASTM A53, A252
  • Material: Gr.B, X42, X52, S355JOH
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SSAW Steel Pipe

  • Size: 219–3500mm × 5–35mm
  • Standard: API 5L, ASTM A53, A252
  • Material: Gr.B, X42–X70, S275JRH
View Details

ASTM A335 P91 Seamless Pipe

  • Material: ASTM A335 P91 / SA335 P91
  • UNS: K90901
  • Size: 1/8″ to 24″, customizable
View Details

ASTM A213 T91 Boiler Tubes

  • Application: Boilers, superheaters
  • Standard: ASTM A213 T91 Type 1 & 2
  • UNS: K90901
View Details

ASTM A335 P12 Alloy Pipe

  • Material: ASTM A335 P12 / SA335 P12
  • UNS: K11562
  • Application: Heat exchangers, boilers
View Details

ASTM A213 T5 Seamless Pipe

  • Standard: ASTM A213 T5 / SA213 T5
  • UNS: K41545
  • Size: 1/8″ to 24″, customizable
View Details
View All Products

Our Services

Comprehensive solutions from testing to delivery

Testing

Logistics

Beveling

Coating

Cut-Length

Protection

Industries We Serve

Chemical

Oil & Gas

Aerospace

Shipbuilding

Get in Touch

For inquiries about our products or pricing, please visit our official website to contact us directly.

Visit Official Website to Contact
Phone
0086 13463768992
0086-317-5200546
Email
sales@botopsteel.com
WhatsApp
008613463768992
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