JIS G3452 SGP Carbon Steel Welded Pipe Hot Dip Galvanized Steel Pipe For Ordinary Piping
JIS G3452 SGP Carbon Steel Welded Pipe Hot Dip Galvanized Steel Pipe For Ordinary Piping
Material Overview
JIS G3452 SGP pipe is a hot-dip galvanized, carbon steel welded pipe designed for ordinary piping applications. It is manufactured from mild carbon steel strips that are formed into a round tube and welded longitudinally. After welding, the pipe is pickled, galvanized, and coated to ensure superior corrosion resistance and enhanced durability in general service environments.
Specifications
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Standard: JIS G3452 (SGP)
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Size Range: 15 mm – 200 mm outside diameter
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Schedule/Thickness: SCH10–SCH40 (varies by diameter)
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Length: Random (up to 12 m) or cut-to-length per order
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Surface Treatment: Hot-dip galvanizing (≥ 610 g/m² zinc coating)
Chemical Composition
Below is a comparison of five analogous carbon steel piping grades and their typical chemical compositions (wt %):
| Grade | C (max) | Si (max) | Mn (max) | P (max) | S (max) |
|---|---|---|---|---|---|
| JIS G3452 SGP | 0.25 | 0.35 | 1.20 | 0.040 | 0.050 |
| ASTM A53 Gr. B | 0.30 | 0.40 | 1.20 | 0.050 | 0.050 |
| EN 10255 L (Grade I) | 0.25 | 0.50 | 1.50 | 0.050 | 0.050 |
| GB/T 3091 Q195 | 0.22 | 0.35 | 1.40 | 0.045 | 0.050 |
| GOST 3262 ST3 | 0.25 | 0.50 | 1.60 | 0.040 | 0.050 |
Mechanical Properties
Typical mechanical performance of these analogous grades is summarized below:
| Grade | Yield Strength (min) | Tensile Strength (range) | Elongation (min, 5 d) |
|---|---|---|---|
| JIS G3452 SGP | 245 MPa | 410 – 550 MPa | 21 % |
| ASTM A53 Gr. B | 205 MPa | 360 – 480 MPa | 25 % |
| EN 10255 L (Grade I) | 195 MPa | 280 – 430 MPa | 30 % |
| GB/T 3091 Q195 | 195 MPa | 315 – 430 MPa | 28 % |
| GOST 3262 ST3 | 205 MPa | 350 – 500 MPa | 26 % |
Key Features
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Corrosion Resistance: Hot-dip galvanizing provides a thick, uniform zinc layer for long-term protection.
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Dimensional Accuracy: Precision welding and forming ensure consistent wall thickness and roundness.
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Weld Quality: Longitudinal seam welds are inspected to meet strict non-destructive testing criteria.
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Versatility: Wide range of sizes and schedules suitable for low-pressure services.
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Cost-Effective: Economical production process with reduced material wastage.
Applicable Standards
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JIS: JIS G3452 SGP
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ASTM: ASTM A53/A53M (Gr. A/B)
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EN: EN 10255 (formerly BS 1387)
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GOST: GOST 3262
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GB: GB/T 3091
Application Fields
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Water Supply and Distribution
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Service lines, mains, and branch piping for potable water systems.
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Gas and Air Piping
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Low-pressure natural gas distribution, compressed air networks.
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Heating, Ventilation, and Air Conditioning (HVAC)
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Chilled water, radiator connections, boiler feed lines.
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Construction Scaffolding and Framework
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Temporary structures, handrails, and support scaffolding.
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General Industrial Piping
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Conveyance of non-corrosive liquids and gases in manufacturing plants.
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A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
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A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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