ERW Water Pipes
Usage Areas
Used for the transmission of water and other liquids.
Production Range
- Outer Diameter: 21.3 mm – 323.9 mm
- Wall Thickness: 2 mm – 12 mm
- Length:
- Standard pipe length: 6 m
- Special orders: 5 to 12.80 m
- Grooving: 3/4″ – 12″
Tolerances
- Wall Thickness: -12.5% / +10% (Varies based on standards)
- Weight:
- ±10% (Per pipe length, varies by standard)
- ±7.5% (Per pipe length, varies by standard)
- Length: ±50 mm (Varies by standard)
- Straightness: 1 mm/m
Testing & Quality Control
All pipes used for potable and utility water, hot water, heating, air conditioning, fire suppression, and air systems undergo:
- Eddy Current (Electromagnetic) Testing
- 50 Bar Hydrostatic Leak Test
Production Standards
Pipe Manufacturing Standards
- TS 301/1-2-3-4, TS 1997, TS 416, EN 10255, TS RN 10217-1
- DIN 2440-2441, DIN 1626
- ISO 65, BS 1387, ASTM A-53, NFA 49-145, UNI 8863
Galvanization Standards
- TS 914, TS EN 10240, EN ISO 1461 (BS 729)
- ASTM A-53, NFA 49-700, UNI 5745
Threading Standards (1/2″ – 6″)
- TS 301, DIN 2999, BS 21, NFA 03-004, ISO 7/1, ANSI B.1.20.1
Material Quality
| Standard | Material Grades |
|---|---|
| DIN 17100 / DIN 1626 | St 33, St 37 |
| EN 10025 | S 195, S 235 JR, S 235 J0, S 235 J2 |
| ASTM A 53 | Gr A, Gr B |
| SI 4314 (ASTM A 795) | Gr A, Gr B |
| EN 10217-1 (TS EN 10217-1) | P 195 TR1/TR2, P 235 T1/TR2, P 265 TR1/TR2 |
| EN 10217-2 (TS EN 10217-2) | P 195 GH, P 235 GH, P 265 GH, 16 Mo 3 |
| EN 10255 | S 195 T |
| SI 103 | S 332, S 414 |
| BS 4360 | 40 A, 43 A |
| SI 530 | 530 A, 530 B, 530/42 |
| EN 10224 | L235, L275, L355 |
