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Steel Factory

QUALITY DECIDES FUTURE

Nansteel Manufacturing Co., Ltd – A pioneer leader in steel pipe and fittings production and export. ISO 9001:2008 certified manufacturer with global reach.

About Nansteel

Nansteel Manufacturing Co., Ltd is a prominent manufacturer, stockist, and exporter of carbon steel pipe, stainless steel pipe, structural sections, fittings, and OCTG products. We are ISO 9001:2008 certified and committed to delivering high-quality steel solutions worldwide.

Our product range includes seamless and welded steel pipes, stainless steel pipes, flanges, elbows, reducers, tees, valves, casing pipes, drill pipes, H-beams, flat bars, angle steel, steel plates, and more. We serve industries such as oil & gas, construction, petrochemicals, and offshore platforms.

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Factory Interior Steel Production Pipe Inspection Steel Warehouse

Our Products

We offer a comprehensive range of steel products meeting international standards including API 5L, ASTM, DIN, EN, and more. Outer diameters from 21.3mm to 3500mm, thickness from 2.11mm to 60mm. Custom production available.

Seamless Steel Pipe

Seamless Steel Pipe

High-strength pipes for critical applications. Standards: ASTM A106 GR.B, API 5L GR.B/X45-X80, ASTM A519.

  • OD: 21.3mm – 610mm
  • Wall: 2.11mm – 60mm
  • Applications: Oil & Gas, Boiler, Mechanical
ERW Steel Pipe

ERW Steel Pipe

Electric Resistance Welded pipes with consistent quality. ASTM A53 GR.B, API 5L compliant.

  • OD: 21.3mm – 660mm
  • Wall: 2.11mm – 25mm
  • Ideal for structural and low-pressure systems
LSAW Steel Pipe

LSAW Steel Pipe

Longitudinal Submerged Arc Welded pipes for high-pressure pipelines and structural use.

  • OD: 323.9mm – 1422mm
  • Wall: 6mm – 60mm
  • Standards: API 5L, ASTM A53, DIN 1629
Stainless Seamless Pipe

Stainless Seamless Pipe

Corrosion-resistant seamless tubes for chemical, pharmaceutical, and food industries.

  • Grades: 304, 316, 321, 310S
  • Standards: ASTM A213, A312, A269
  • OD: 6mm – 610mm
Steel Fittings

Steel Fittings

Elbows, tees, reducers, flanges, and valves for piping systems. Forged and welded types.

  • Materials: Carbon, Stainless, Alloy Steel
  • Standards: ASME B16.9, B16.5
  • Sizes: 1/2" – 48"
OCTG Casing Pipe

OCTG Casing Pipe

Oil Country Tubular Goods for drilling and extraction. API 5CT compliant.

  • Grades: J55, K55, N80, P110
  • OD: 4.5" – 20"
  • Thread types: API, Premium
H Beam

H Beam & Structural Steel

High-strength structural sections for buildings, bridges, and industrial frameworks.

  • Standards: ASTM A36, JIS, GB
  • Types: H Beam, Angle, Flat Bar, Steel Plate
  • Thickness: 3mm – 100mm
Coated Steel Pipe

Coated Steel Pipe

Protection against corrosion and abrasion. FBE, Polyethylene, Asphalt, Concrete Weight Coating.

  • Applications: Underground, Subsea, Offshore
  • Standards: ISO 21809, NACE
  • Custom coating thickness available
Clad Pipe

CRA Clad & Lined Steel Pipe

Corrosion-resistant alloy cladding for harsh environments. Duplex, Super Duplex, Inconel.

  • Internal lining: 316L, 825, 625
  • Base material: Carbon or Low Alloy Steel
  • Used in offshore and chemical plants
Piling Pipe

Steel Sheet Pile & Piling Pipe

For foundation support, cofferdams, and retaining walls in civil engineering.

  • Types: U, Z, Straight Web
  • Materials: ASTM A328, S355JR
  • Lengths up to 24 meters
Pressure Vessel

Pressure Vessels & Piping Spools

Fabricated systems for process industries. ASME, PED, and API compliant.

  • Materials: Carbon, Stainless, Alloy Steel
  • Welding: TIG, MIG, SMAW
  • Testing: RT, UT, PMI, Hydro
Boiler Tube

Boiler & Mechanical Tube

Precision tubes for heat exchangers, boilers, and mechanical applications.

  • Standards: ASTM A179, A192, A213
  • OD: 10mm – 150mm
  • High thermal conductivity and strength

Our Advantages

Production Advantages

Own steel pipe factories in multiple regions of China with advanced seamless and welded production lines.

Technical Advantages

Dedicated R&D department and integration of advanced foreign technologies for continuous improvement.

Quality Advantages

Specialized laboratories and testing rooms ensure raw material and finished product quality. ISO 9001:2008 certified.

Price Advantages

Direct factory export eliminates intermediaries, offering competitive pricing without compromising quality.

Project Advantages

Extensive experience in managing large-scale projects from planning to final quality control and delivery.

Logistics Advantages

Own transportation teams and proximity to major Chinese ports ensure fast and reliable global delivery.

Our Projects

Offshore Platforms South Africa

Offshore Platforms, South Africa

Supply of coated LSAW pipes and structural steel for offshore oil & gas platforms.

Saudi Arabia Smart Shipyard

Saudi Arabia Smart Shipyard

Delivery of stainless steel pipes and fittings for shipbuilding and marine infrastructure.

UAE Petroleum Processing

Petroleum Processing, UAE

Comprehensive supply of OCTG, pressure vessels, and piping spools for refinery expansion.

50+
Countries Served
20+
Years Experience
10+
Production Lines
1000+
Projects Completed

Frequently Asked Questions

What standards do your steel pipes meet?

Our products comply with API 5L, API 5CT, ASTM A53, A106, A312, A213, DIN, EN, and other international standards.

Can you produce custom sizes and coatings?

Yes, we offer custom manufacturing for non-standard sizes, materials, and coatings including FBE, PE, asphalt, and concrete weight.

What is your delivery time?

Typical delivery is 15–30 days depending on order size and destination. We have fast logistics from Chinese ports.

Are you a manufacturer or trading company?

We are a manufacturer with multiple steel pipe factories in China, not a trading company. This ensures better pricing and quality control.

Get in Touch

For inquiries, quotes, or partnership opportunities, contact us directly through our official website.

Head Office: Xueshi Rd, Yuelu Technology Industrial Park, Changsha, China 410006
Phone: +86 731 8878 7783
WhatsApp/WeChat: +0086 17308408720
Email: [email protected]
Email: [email protected]

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