Project Description

we produce fire pipe according to ASTM A53 standard with UL Approval, thickness according to SCH40 series, size from 1/2inch to 12inch, including welded and seamless types.

Specifications:
Size: 1/2”(OD: 21.3mm) – 12”(OD:323.9mm)
Wall thickness: 2.77mm – 10.31mm
Length: 19FT(5.8Meters) – 21FT(6.4Meters), or according to customers’ special request.

Ends types:

  1. Plain Ends
  2. Beveled Ends
  3. Grooved Ends
  4. Threaded Ends
  5. Flange Welded

Anti-Corrosion types:

  1. Light oiled protection
  2. Powder coated(Color will be according to customers’ request)
  3. Hot dipped galvanized
  4. Hot dipped galvanized and Powder coated

We carry out strict quality control throughout the process of production.
Remove the inside welding beads to assure the liquid transportation smoothly.
Make eddy current test on each pipe.
Make water pressure test on each pipe.

All of above measures will assure the pipe quality and make the life more safe.

ERW & SMLS ASTM A53 SCH40 GR.A & GR.B
DN-in. DN-mm OD-in. OD-mm WT-in. WT-mm lb/ft kg/m psi-Gr.A Kpa-Gr.A psi-Gr.B Kpa-Gr.B
1/2″ 15 0.840 21.3 0.109 2.77 0.85 1.268 700 4800 700 4800
3/4″ 20 1.050 26.7 0.113 2.87 1.13 1.685 700 4800 700 4800
1″ 25 1.315 33.4 0.133 3.38 1.68 2.501 700 4800 700 4800
1 1/4″ 32 1.660 42.2 0.14 3.56 2.28 3.386 1200 8300 1300 9000
1 1/2″ 40 1.900 48.3 0.145 3.68 2.73 4.049 1200 8300 1300 9000
2″ 50 2.375 60.3 0.154 3.91 3.69 5.442 2300 15900 2500 17200
2 1/2″ 65 2.875 73.0 0.203 5.16 5.83 8.630 2500 17200 2500 17200
3″ 80 3.500 88.9 0.216 5.49 7.62 11.285 2220 15300 2500 17200
3 1/2″ 90 4.000 101.6 0.226 5.74 9.21 13.570 2030 14000 2370 16300
4″ 100 4.500 114.3 0.237 6.02 10.91 16.074 1900 13100 2210 15200
5″ 125 5.563 141.3 0.258 6.55 14.82 21.775 1670 11500 1950 13400
6″ 150 6.625 168.3 0.280 7.11 19.20 28.265 1520 10500 1780 12300
8″ 200 8.625 219.1 0.322 8.18 28.58 42.535 1340 9200 1570 10800
10″ 250 10.750 273.1 0.365 9.27 40.52 60.306 1220 8400 1430 9900
12″ 300 12.750 323.9 0.406 10.31 53.57 79.734 1150 7900 1340 9200