SPRINKLER STEEL PIPE
SPRINKLER STEEL PIPE
Outside Diameter：Φ26.8mm – 273.1mm (3/4″-10″)
Wall thickness: 2.0mm – 8.0mm
End state:Grooved,Plain end,screwed & socketed
Quality Standards：ASTM A53/A53M, ASTM A795,ASTM A135
description
Sprinkler steel pipe is designed specifically for fire sprinkler systems, offering the strength and reliability needed in critical safety installations. Whether seamless or welded, each pipe is manufactured with close attention to detail to ensure it performs well under pressure. To protect against corrosion and extend service life, the pipe is usually treated with hot-dip galvanizing. It’s commonly used in various types of fire suppression systems—such as wet, dry, pre-action, and deluge—across office buildings, factories, warehouses, and residential complexes. Compared to standard water pipes, sprinkler pipe is built with more consistent wall thickness, a chemistry optimized for easier welding, and guaranteed pressure ratings that meet the demands of fire protection.
Product Name: SPRINKLER STEEL PIPE
Specifications:
Outer Diameter: 26.8mm – 273.1mm (3/4″-10″)
Wall thickness: 2.0mm—8.0 mm
Standard: ASTM A53/A53M, ASTM A795,ASTM A135
End state: Grooved,Plain end,screwed & socketed
Specification
ASTM A135 (BLACK & GALVANISED) SCH10
| N.D. | O.D. | WALLTHICKNESS | Tolerance+/- | TEST PRESSURE |
| Inch | mm | mm | Kg/m | mp |
| 3/4 | 26.8 | 2.11 | 1.28 | 17.24 |
| 1 | 33.5 | 2.77 | 2.09 | 17.24 |
| 1-1/4 | 42.2 | 2.77 | 2.7 | 16.55 |
| 1-1/2 | 48.3 | 2.77 | 3.1 | 14.48 |
| 2 | 60.3 | 2.77 | 3.93 | 11.72 |
| 2-1/2 | 73 | 3.05 | 5.26 | 10.34 |
| 3 | 88.9 | 3.05 | 6.45 | 8.27 |
| 3-1/2 | 101.6 | 3.05 | 7.41 | 6.89 |
| 4 | 114.3 | 3.05 | 8.36 | 6.21 |
| 5 | 141.3 | 3.40 | 11.58 | 5.86 |
| 6 | 168.3 | 3.40 | 13.84 | 5.02 |
| 8 | 219 | 4.80 | 15.41 | 4.26 |
ASTM A135 (BLACK & GALVANISED) SCH40
| N.D. | O.D. | WALLTHICKNESS | Tolerance+/- | TEST PRESSURE |
| Inch | mm | mm | Kg/m | mp |
| 1/2 | 21.3 | 2.77 | 1.27 | 17.20 |
| 3/4 | 26.8 | 2.87 | 1.68 | 17.20 |
| 1 | 33.5 | 3.38 | 2.50 | 17.20 |
| 1-1/4 | 42.2 | 3.56 | 3.38 | 17.20 |
| 1-1/2 | 48.3 | 3.68 | 4.05 | 17.20 |
| 2 | 60.3 | 3.91 | 5.43 | 16.08 |
| 1-1/2 | 73 | 5.16 | 8.62 | 17.20 |
| 3 | 88.9 | 5.49 | 11.28 | 15.30 |
| 3-1/2 | 101.6 | 5.74 | 13.56 | 14.88 |
| 4 | 114.3 | 6.02 | 16.06 | 13.06 |
| 5 | 141.3 | 6.55 | 21.76 | 11.50 |
| 6 | 168.3 | 7.11 | 28.34 | 10.48 |
| 8 | 219.1 | 8.18 | 36.90 | 7.96 |
ASTM A795 (BLACK & GALVANISED)
| N.D. | O.D. | SCH 10 | SCH 30/40 | ||||||||
| WALLTHICKNESS | NOMINAL WEIGHT | WALLTHICKNESS | NOMINAL WEIGHT | ||||||||
| mm | inch | mm | inch | mm | inch | Kg/mtrs | Lbs/ft | mm | inch | Kg/mtrs | Lbs/ft |
| 15 | 1/2 | 21.30 | 0.84 | – | – | – | – | 2.77 | 0.109 | 1.27 | 0.85 |
| 20 | 3/4 | 26.70 | 1.05 | 2.11 | 0.083 | 1.28 | 0.96 | 2.87 | 0.113 | 1.69 | 1.13 |
| 25 | 1 | 33.40 | 1.32 | 2.77 | 0.109 | 2.09 | 1.41 | 3.38 | 0.133 | 2.50 | 1.68 |
| 32 | 1-1/4 | 42.20 | 1.66 | 2.77 | 0.109 | 2.69 | 1.81 | 3.56 | 0.14 | 3.39 | 2.27 |
| 40 | 1-1/2 | 48.30 | 1.90 | 2.77 | 0.109 | 3.11 | 2.09 | 3.68 | 0.145 | 4.05 | 2.72 |
| 50 | 2 | 60.30 | 2.38 | 2.77 | 0.109 | 3.93 | 2.64 | 3.91 | 0.154 | 5.45 | 3.66 |
| 65 | 2-1/2 | 73.00 | 2.88 | 3.05 | 0.12 | 5.26 | 3.53 | 5.16 | 0.203 | 8.64 | 5.80 |
| 80 | 3 | 88.90 | 3.50 | 3.05 | 0.12 | 6.46 | 4.34 | 5.49 | 0.216 | 11.29 | 7.58 |
| 90 | 3-1/2 | 101.60 | 4.00 | 3.05 | 0.12 | 7.41 | 4.98 | 5.74 | 0.226 | 13.58 | 9.12 |
| 100 | 4 | 114.30 | 4.50 | 3.05 | 0.12 | 8.37 | 5.62 | 6.02 | 0.237 | 16.09 | 10.80 |
| 125 | 5 | 141.30 | 5.56 | 3.4 | 0.134 | 11.58 | 7.78 | 6.55 | 0.258 | 21.79 | 14.63 |
| 150 | 6 | 168.30 | 6.63 | 3.4 | 0.134 | 13.85 | 9.30 | 7.11 | 0.28 | 28.29 | 18.99 |
| 200 | 8 | 219.10 | 8.63 | 4.78 | 0.188 | 25.26 | 16.96 | 7.04 | 0.277 | 36.82 | 24.72 |
| 250 | 10 | 273.10 | 10.75 | 4.78 | 0.188 | 31.62 | 21.23 | 7.08 | 0.307 | 51.05 | 34.27 |
Chemical Composition Requirements on Standard Fire Sprinkler Pipe
| Chemical Requirements of ASTM A795 | ||||
| SI | C | Mn | P | S |
| Type E (electric-resistance-welded pipe) & Type S (seamless pipe) | ||||
| Open-health electric-furnace or basic-oxygen | ||||
| Grade A | 0.25 | 0.95 | 0.035 | 0.035 |
| Grade B | 0.3 | 1.2 | 0.035 | 0.035 |
| Chemical Requirements of ASTM A53/A53M | |||||||
| Type E (electric-resistance-welded pipe) Composition, max % | |||||||
| Grade A | C | Mn | P | S | Copper | Nickel | Chromium |
| 0.25 | 0.95 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | |
| Grade B | 0.3 | 1.2 | 0.05 | 0.048 | 0.4 | 0.4 | 0.4 |
application
SPRINKLER STEEL PIPE is the backbone of fire protection systems:
Commercial Buildings: Offices, retail malls, hotels, hospitals, and schools requiring NFPA 13 compliant wet and dry systems.
Industrial Facilities: Manufacturing plants, warehouses, power stations, and chemical plants needing robust protection for high-hazard areas.
Residential Complexes: High-rise apartments and multi-family dwellings utilizing residential sprinkler standards (NFPA 13R/D).
Special Hazard Systems: Deluge and pre-action systems for data centers, museums, and facilities housing valuable assets. Infrastructure: Tunnels, airports, and transportation hubs where reliable fire suppression is critical.
advantages
Engineered for Life Safety: Designed and tested to meet rigorous fire protection standards, ensuring dependable performance when it matters most.
Outstanding Corrosion Resistance: Hot-dip galvanized for lasting protection in wet pipe systems and high-humidity environments.
Reliable Under Pressure: Uniform wall thickness and consistent material quality deliver stable performance at required system pressures.
Built to Last: Steel construction offers superior strength and resilience against impact, outperforming many alternative materials.
Proven Track Record: Trusted in fire protection systems around the world, with decades of safe and effective use.
Highly Adaptable: Compatible with all major sprinkler system types—wet, dry, pre-action, and deluge—and connection methods including threaded, grooved, and welded joints.
packing
SPRINKLER STEEL PIPE is a high-quality welded or seamless steel tube specifically designed for fire sprinkler systems. Manufactured to exacting standards, it provides reliable performance under pressure and is essential for life safety applications. The pipe undergoes stringent quality control and is typically hot-dip galvanized for superior corrosion resistance, ensuring long service life in demanding environments. Key applications include wet, dry, pre-action, and deluge sprinkler systems in commercial buildings, industrial facilities, warehouses, and residential complexes. Compared to standard plumbing pipe, sprinkler pipe offers enhanced wall thickness consistency, controlled chemical composition for weldability, and guaranteed pressure ratings.
ASTM A135 (BLACK & GALVANISED) SCH10
| N.D. | O.D. | WALLTHICKNESS | Tolerance+/- | TEST PRESSURE |
| Inch | mm | mm | Kg/m | mp |
| 3/4 | 26.8 | 2.11 | 1.28 | 17.24 |
| 1 | 33.5 | 2.77 | 2.09 | 17.24 |
| 1-1/4 | 42.2 | 2.77 | 2.7 | 16.55 |
| 1-1/2 | 48.3 | 2.77 | 3.1 | 14.48 |
| 2 | 60.3 | 2.77 | 3.93 | 11.72 |
| 2-1/2 | 73 | 3.05 | 5.26 | 10.34 |
| 3 | 88.9 | 3.05 | 6.45 | 8.27 |
| 3-1/2 | 101.6 | 3.05 | 7.41 | 6.89 |
| 4 | 114.3 | 3.05 | 8.36 | 6.21 |
| 5 | 141.3 | 3.40 | 11.58 | 5.86 |
| 6 | 168.3 | 3.40 | 13.84 | 5.02 |
| 8 | 219 | 4.80 | 15.41 | 4.26 |
ASTM A135 (BLACK & GALVANISED) SCH40
| N.D. | O.D. | WALLTHICKNESS | Tolerance+/- | TEST PRESSURE |
| Inch | mm | mm | Kg/m | mp |
| 1/2 | 21.3 | 2.77 | 1.27 | 17.20 |
| 3/4 | 26.8 | 2.87 | 1.68 | 17.20 |
| 1 | 33.5 | 3.38 | 2.50 | 17.20 |
| 1-1/4 | 42.2 | 3.56 | 3.38 | 17.20 |
| 1-1/2 | 48.3 | 3.68 | 4.05 | 17.20 |
| 2 | 60.3 | 3.91 | 5.43 | 16.08 |
| 1-1/2 | 73 | 5.16 | 8.62 | 17.20 |
| 3 | 88.9 | 5.49 | 11.28 | 15.30 |
| 3-1/2 | 101.6 | 5.74 | 13.56 | 14.88 |
| 4 | 114.3 | 6.02 | 16.06 | 13.06 |
| 5 | 141.3 | 6.55 | 21.76 | 11.50 |
| 6 | 168.3 | 7.11 | 28.34 | 10.48 |
| 8 | 219.1 | 8.18 | 36.90 | 7.96 |
ASTM A795 (BLACK & GALVANISED)
| N.D. | O.D. | SCH 10 | SCH 30/40 | ||||||||
| WALLTHICKNESS | NOMINAL WEIGHT | WALLTHICKNESS | NOMINAL WEIGHT | ||||||||
| mm | inch | mm | inch | mm | inch | Kg/mtrs | Lbs/ft | mm | inch | Kg/mtrs | Lbs/ft |
| 15 | 1/2 | 21.30 | 0.84 | – | – | – | – | 2.77 | 0.109 | 1.27 | 0.85 |
| 20 | 3/4 | 26.70 | 1.05 | 2.11 | 0.083 | 1.28 | 0.96 | 2.87 | 0.113 | 1.69 | 1.13 |
| 25 | 1 | 33.40 | 1.32 | 2.77 | 0.109 | 2.09 | 1.41 | 3.38 | 0.133 | 2.50 | 1.68 |
| 32 | 1-1/4 | 42.20 | 1.66 | 2.77 | 0.109 | 2.69 | 1.81 | 3.56 | 0.14 | 3.39 | 2.27 |
| 40 | 1-1/2 | 48.30 | 1.90 | 2.77 | 0.109 | 3.11 | 2.09 | 3.68 | 0.145 | 4.05 | 2.72 |
| 50 | 2 | 60.30 | 2.38 | 2.77 | 0.109 | 3.93 | 2.64 | 3.91 | 0.154 | 5.45 | 3.66 |
| 65 | 2-1/2 | 73.00 | 2.88 | 3.05 | 0.12 | 5.26 | 3.53 | 5.16 | 0.203 | 8.64 | 5.80 |
| 80 | 3 | 88.90 | 3.50 | 3.05 | 0.12 | 6.46 | 4.34 | 5.49 | 0.216 | 11.29 | 7.58 |
| 90 | 3-1/2 | 101.60 | 4.00 | 3.05 | 0.12 | 7.41 | 4.98 | 5.74 | 0.226 | 13.58 | 9.12 |
| 100 | 4 | 114.30 | 4.50 | 3.05 | 0.12 | 8.37 | 5.62 | 6.02 | 0.237 | 16.09 | 10.80 |
| 125 | 5 | 141.30 | 5.56 | 3.4 | 0.134 | 11.58 | 7.78 | 6.55 | 0.258 | 21.79 | 14.63 |
| 150 | 6 | 168.30 | 6.63 | 3.4 | 0.134 | 13.85 | 9.30 | 7.11 | 0.28 | 28.29 | 18.99 |
| 200 | 8 | 219.10 | 8.63 | 4.78 | 0.188 | 25.26 | 16.96 | 7.04 | 0.277 | 36.82 | 24.72 |
| 250 | 10 | 273.10 | 10.75 | 4.78 | 0.188 | 31.62 | 21.23 | 7.08 | 0.307 | 51.05 | 34.27 |
Chemical Composition Requirements on Standard Fire Sprinkler Pipe
| Chemical Requirements of ASTM A795 | ||||
| SI | C | Mn | P | S |
| Type E (electric-resistance-welded pipe) & Type S (seamless pipe) | ||||
| Open-health electric-furnace or basic-oxygen | ||||
| Grade A | 0.25 | 0.95 | 0.035 | 0.035 |
| Grade B | 0.3 | 1.2 | 0.035 | 0.035 |
| Chemical Requirements of ASTM A53/A53M | |||||||
| Type E (electric-resistance-welded pipe) Composition, max % | |||||||
| Grade A | C | Mn | P | S | Copper | Nickel | Chromium |
| 0.25 | 0.95 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | |
| Grade B | 0.3 | 1.2 | 0.05 | 0.048 | 0.4 | 0.4 | 0.4 |
SPRINKLER STEEL PIPE is the backbone of fire protection systems:
Commercial Buildings: Offices, retail malls, hotels, hospitals, and schools requiring NFPA 13 compliant wet and dry systems.
Industrial Facilities: Manufacturing plants, warehouses, power stations, and chemical plants needing robust protection for high-hazard areas.
Residential Complexes: High-rise apartments and multi-family dwellings utilizing residential sprinkler standards (NFPA 13R/D).
Special Hazard Systems: Deluge and pre-action systems for data centers, museums, and facilities housing valuable assets. Infrastructure: Tunnels, airports, and transportation hubs where reliable fire suppression is critical.
Engineered for Life Safety: Designed and tested to meet rigorous fire protection standards, ensuring dependable performance when it matters most.
Outstanding Corrosion Resistance: Hot-dip galvanized for lasting protection in wet pipe systems and high-humidity environments.
Reliable Under Pressure: Uniform wall thickness and consistent material quality deliver stable performance at required system pressures.
Built to Last: Steel construction offers superior strength and resilience against impact, outperforming many alternative materials.
Proven Track Record: Trusted in fire protection systems around the world, with decades of safe and effective use.
Highly Adaptable: Compatible with all major sprinkler system types—wet, dry, pre-action, and deluge—and connection methods including threaded, grooved, and welded joints.
SPRINKLER STEEL PIPE is a high-quality welded or seamless steel tube specifically designed for fire sprinkler systems. Manufactured to exacting standards, it provides reliable performance under pressure and is essential for life safety applications. The pipe undergoes stringent quality control and is typically hot-dip galvanized for superior corrosion resistance, ensuring long service life in demanding environments. Key applications include wet, dry, pre-action, and deluge sprinkler systems in commercial buildings, industrial facilities, warehouses, and residential complexes. Compared to standard plumbing pipe, sprinkler pipe offers enhanced wall thickness consistency, controlled chemical composition for weldability, and guaranteed pressure ratings.
