
Electrical Conduit Galvanized Tubes UL Certified & Rust-Free Guarantee
What Are Galvanized Steel Pipes?
Galvanized steel pipes are carbon steel pipes coated with a protective zinc layer through galvanization, providing superior corrosion resistance and extended service life of 50+ years. Ideal for construction, plumbing, and industrial applications worldwide.
Product Grades & Standards
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International Standards: ASTM A53 Gr.B, API 5L, BS 1387, EN 10219, JIS G3442
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Certifications: ISO 9001, CE, SGS, BIS, SASO, GOST
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Size Range: 1/2" to 8" OD, SCH 40 to SCH 160
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Coating Options: Hot-Dip Galvanized / Electro-Galvanized
Zinc Coating Specifications
Hot-Dip Galvanized Pipes:
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Coating Process: Immersion in molten zinc (455°C)
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Coating Thickness: 85-200μm (610-750 g/m²)
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Coating Adhesion: Metallurgical bond
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Service Life: 50+ years in harsh environments
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Applications: Water systems, marine structures, outdoor construction
Cold Galvanized Pipes:
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Coating Process: Electrolytic deposition
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Coating Thickness: 5-25μm (10-50 g/m²)
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Coating Adhesion: Mechanical bond
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Service Life: 10-15 years in mild environments
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Applications: Electrical conduits, indoor furniture, decorative uses
18 Years of Global Steel Expertise - Your Advantage
✅ Proven International Track Record
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18 years specializing in steel exports to 60+ countries
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Successful projects in USA, Europe, Middle East, and Asia
✅ Quality Assurance System
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Triple-stage quality inspection process
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Full material traceability from raw material to finished product
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Compliance with international standards and certifications
✅ Global Logistics Expertise
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Efficient shipping to major ports worldwide
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Expert handling of customs documentation and clearance
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Real-time shipment tracking available
✅ Competitive Manufacturing Advantage
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State-of-the-art production facilities
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Factory-direct pricing with 30% cost savings
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Custom solutions for unique project requirements
✅ 24/7 Technical Support
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Multi-lingual engineering team
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Free technical consultation services
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Fast response within 2 hours
Frequently Asked Questions
Q1: How do you ensure coating consistency in different climate conditions?
A: Our automated production line maintains precise temperature and timing controls, ensuring uniform coating thickness and adhesion regardless of destination climate.
Q2: What is your maximum production capacity for urgent projects?
A: We can produce 8,000+ tons monthly with consistent quality, and offer expedited production for urgent orders without compromising quality.
Q3: Can you provide country-specific certification packages?
A: Yes! With 18 years of export experience, we provide complete certification packages including CO, COC, Mill Test Certificates, and country-specific approvals.
What Are Galvanized Steel Pipes?
International Standards: ASTM A53 Gr.B, API 5L, BS 1387, EN 10219, JIS G3442
Certifications: ISO 9001, CE, SGS, BIS, SASO, GOST
Size Range: 1/2" to 8" OD, SCH 40 to SCH 160
Coating Options: Hot-Dip Galvanized / Electro-Galvanized
Coating Process: Immersion in molten zinc (455°C)
Coating Thickness: 85-200μm (610-750 g/m²)
Coating Adhesion: Metallurgical bond
Service Life: 50+ years in harsh environments
Applications: Water systems, marine structures, outdoor construction
Coating Process: Electrolytic deposition
Coating Thickness: 5-25μm (10-50 g/m²)
Coating Adhesion: Mechanical bond
Service Life: 10-15 years in mild environments
Applications: Electrical conduits, indoor furniture, decorative uses
18 years specializing in steel exports to 60+ countries
Successful projects in USA, Europe, Middle East, and Asia
Triple-stage quality inspection process
Full material traceability from raw material to finished product
Compliance with international standards and certifications
Efficient shipping to major ports worldwide
Expert handling of customs documentation and clearance
Real-time shipment tracking available
State-of-the-art production facilities
Factory-direct pricing with 30% cost savings
Custom solutions for unique project requirements
Multi-lingual engineering team
Free technical consultation services
Fast response within 2 hours
A: Our automated production line maintains precise temperature and timing controls, ensuring uniform coating thickness and adhesion regardless of destination climate.
A: We can produce 8,000+ tons monthly with consistent quality, and offer expedited production for urgent orders without compromising quality.
A: Yes! With 18 years of export experience, we provide complete certification packages including CO, COC, Mill Test Certificates, and country-specific approvals.
Product Description
Product |
A53 Galvanized Pipe |
Standard |
ASTM A53 / ASME SA53 |
Material |
Carbon Steel |
Grades |
A53 Grade A, A53 Grade B |
Outer Diameter (OD) |
1/2” – 48” (21.3mm – 1219mm) |
Wall Thickness |
SCH10, SCH20, SCH40, SCH80, SCH160, XXS |
Length |
6m, 12m, or custom lengths |
Pipe End |
Plain End, Beveled End, Threaded & Coupled |
Zinc Coating |
40g/m² – 600g/m² |
Technique |
ERW (Electric Resistance Welded), Seamless, LSAW, SSAW |
Surface Treatment |
Hot – Dipped Galvanized, Pre – Galvanized, Black Coated |
Connection Type |
Welding, Threaded, Flanged |
Protection |
Plastic Caps, Bundled with Steel Strips, Waterproof Wrapping |
Certification |
ISO, SGS, BV, CE |
Stock Availability |
10,000+ Tons Per Month |
Chemical Composition of ASTM A53
Element |
Grade A (%) |
Grade B (%) |
Carbon (C) |
≤ 0.25 |
≤ 0.30 |
Manganese (Mn) |
≤ 0.95 |
≤ 1.20 |
Phosphorus (P) |
≤ 0.05 |
≤ 0.05 |
Sulfur (S) |
≤ 0.045 |
≤ 0.045 |
Copper (Cu) |
≤ 0.40 |
≤ 0.40 |
Nickel (Ni) |
≤ 0.40 |
≤ 0.40 |
Chromium (Cr) |
≤ 0.40 |
≤ 0.40 |
Molybdenum (Mo) |
≤ 0.15 |
≤ 0.15 |
Mechanical Properties of ASTM A53
Property |
Grade A |
Grade B |
Yield Strength (MPa) |
≥ 205 MPa |
≥ 240 MPa |
Tensile Strength (MPa) |
330 – 380 MPa |
415 – 550 MPa |
Elongation (%) |
≥ 20% |
≥ 15% |
Hardness (Brinell) |
≤ 90 HB |
≤ 100 HB |
Galvanized Coating Options
Coating Type |
Zinc Thickness |
Application |
Pre – Galvanized |
40 – 150 g/m² |
Indoor & low – corrosion environments |
Hot – Dipped Galvanized |
200 – 600 g/m² |
Heavy – duty industrial & outdoor use |
Equivalent Grades
Standard |
Equivalent Grade |
ASTM |
A53 |
EN |
S235, S275 |
JIS |
STK400, STK500 |
GB |
Q195, Q235, Q345 |

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