UL List Steel Pipe
UL List Steel Pipe
Size Range and Application
Size:ODΦ21.3mm-323.9mm WT:2.77-10.31mm(SCH40)
Usage:Used for sprinklers fire protection service
Standard and material:ASTM A53 GR.B
Type:seamless or welded as the construction design
As the leading manufacturer and supplier of fire fighting pipe, we have UL certificate for sprinkler steel pipes and fittings. With the most advanced pipe processing technology and equipment, we are specialized in providing more convenient & reliable fire fighting products.
Standard and material | (Chemical Composition) | (Mechanical Properties) | |||||||||
C | Mn | P | S | Cu | NI | Cr | Mo | V | Tensile Strength(Mpa) | Yield Strength(Mpa) | |
ASTM A53 GR.B | ≤0.30 | ≤1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 | ≥415 | ≥240 |
Pipe ends Finished: Rolled Groove end , Slotted end.
The end is available for slotted accessorices connected, such as slotted clamp, slotted elbow and tee.
Certificate
Fire Sprinkler Pipe is UL and FM certificate Approved
1. Factory
The factory is in Tianjin city China
2. Weights
The weight shall not vary more than +/-5% from that prescribed.
3. Diameter
For pipe NPS 1/2-11⁄2 (DN 40) , the outside diameter at any point shall not vary more than 1⁄64 inch (0.4 mm) over nor more than 1⁄32 inch (0.8 mm) .
For pipe NPS 2 (DN 50)-10 (DN250), the outside diameter shall not vary more than +/-1 % .
4. Thickness
The minimum wall thickness at any point shall not vary more than 12.5 % under the nominal wall thickness.
5. Sample Service
Free Sample, will charge INT’L Courier