Description
| Size | 1/8″ to 72″ Length |
|---|---|
| Material | Carbon Steel |
| Wall Thickness | 2.0mm – 12.70mm |
| Standard | ASTM, ASME, EN, JIS, DIN |
| Section Shape | Round |
| Application | Carbon steel pipe is used for petroleum, gas, fire protection, and general industrial piping. |
| Surface Treatment | Black Phosphate or Sandblasted; Zinc Coated |
| Type | Seamless Steel Pipe; Sprinkler Pipe |
| Ends | Plain End or Threaded End |
| Outer Diameter | 1/8″ to 2″ 21.3mm – 1220.0mm |
| Origin | China |
| Package | Standard Seaworthy Packing |
| Trademark | SANVO |
| Free Sample | Yes |
Key Features & Advantages
Black Welded Pipe is Built to ASTM Standards
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Manufactured to ASTM A53 specifications
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Ensures consistent wall thickness, mechanical strength, and pressure resistance
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Available with UL / FM certification upon request
High Strength & Pressure Performance
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Black steel pipe supports working pressures of 175–350 psi
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Steel welded pipe is Ideal for main lines, branch lines, and high-demand sprinkler layouts
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Suitable for both light and heavy-duty systems
Durable Black Steel Finish
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Standard black surface for improved corrosion resistance
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Black pipe is suitable for indoor fire protection and commercial environments
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Smooth inner wall ensures optimal water flow and reduces friction loss
Fully Compatible with Industrial System Components
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Works with grooved fittings, threaded fittings, flanges, valves, and hangers
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Easily integrated into existing systems
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Suitable for welding, grooving, and threading installations
Wide Range of Sizes
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Nominal sizes from 1/2″ to 8″
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Available in Schedule 10, Schedule 40, and custom thicknesses
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Standard lengths: 6m or customer-specific
Typical Applications
The ASTM Black Steel Welded Pipe is ideal for:
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Shopping malls, office buildings, and hotels
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Warehouses, factories, logistics centers
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Hospitals, airports, train stations
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High-rise commercial towers
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Industrial fire suppression systems
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Indoor wet and dry sprinkler networks
This pipe is designed for long-term service and meets the rigorous reliability demands of modern fire protection engineering.
Advantages of Black Steel Pipe
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Lower cost
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Excellent structural strength for high-pressure systems
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Easy installation with standard fire protection tools
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Certified options to meet international project requirements
For large projects, the pipe provides consistent quality and performance, significantly reducing maintenance and operational risks.