| Product | Fire Sprinkler Steel Pipe |
| Material | Carbon Steel |
| Grade | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Grade B Grade C |
| Standard | GB/T3091, GB/T13793
API 5L, ASTM A53, A500, A36, ASTM A795 |
| Specifications | ASTM A795 sch10 sch30 sch40 |
| Surface | Painted Black or Red |
| Ends | Plain ends |
| Grooved ends |
Standards and Requirements
Materials and Construction: UL-certified pipes are made from high-quality steel that meets specific material composition and mechanical properties.
Pressure Ratings: These pipes must withstand high pressures typical in fire sprinkler systems.
Corrosion Resistance: UL standards include tests for corrosion resistance to ensure the pipes can endure harsh environments.
Leakage and Strength Tests: Pipes undergo rigorous testing for leakage, burst strength, and structural integrity.
Identification
UL Mark: Look for the UL certification mark on the pipe, which indicates compliance with UL standards.
Label Information: The label typically includes the manufacturer's name, pipe size, pressure rating, and other essential details.
About us:
Tianjin Youfa Steel Pipe Group Co., Ltd was founded on July 1st, 2000. There are totally about 8000 employees, 9 factories, 179 steel pipe production lines, 3 national accredited laboratory, and 1 Tianjin government accredited business technology center.
62 ERW steel pipe production lines
Factories:
Tianjin Youfa Steel Pipe Group Co.,Ltd .-No.1 Branch;
Tianjin Youfa Steel Pipe Group Co.,Ltd .-No.2 Branch;
Tangshan Zhengyuan Steel Pipe Co.,Ltd;
Tangshan Youfa Steel Pipe Manufacture Co.,Ltd;
Handan Youfa Steel Pipe Co.,Ltd;
Shanxi Youfa Steel Pipe Co., Ltd
