The welded steel pipes are used for water and gas ducts and heating installations.
1. Quality
| Standard | Steel Grade |
|---|---|
| EN 10025 | FU Fe 360 - B Fe 310 - O |
| DIN 1626 | RSt.37.0 USt.37.0 RSt.44.0 |
| DIN 17100 | USt.37.2 St.33 |
| BDS 5785 | 10kp, 15, 15kp, 20, 20kp, 20ps |
| BDS 2592 | ASt 3, BSt 2KP, BSt 3KP, VSt 2KP, VSt 3KP |
2. Dimensions
2.1. General purpose pipes
| Outside diameter, mm | Wall thickness, mm | Length, mm |
|---|---|---|
| 57 | 3.0 3.5 4.0 |
min 4000 max 12000 |
| 63.5 | 3.0 3.5 4.0 |
min 4000 max 12000 |
| 76 | 3.0 3.5 4.0 |
min 4000 max 12000 |
| 89 | 3.0 3.5 4.0 |
min 4000 max 12000 |
2.2. Pipes for tubular scaffold
According to BDS 8585:
| Outside diameter | - 48 mm ±0.4 mm |
| Wall thickness | - 3.5 mm ±0.35 mm |
| Length | - 7800 mm ±100 mm |
2.3. Water-gas-duct pipes
| Gauge | Diameter, mm | Length, mm | ||
|---|---|---|---|---|
| mm | inches | maximum | minimum | |
| 10 15 20 25 32 40 50 65 80 |
3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 |
17.5 21.8 27.3 34.2 42.9 48.8 60.8 76.6 89.5 |
16.7 21.0 26.5 33.3 42.0 47.9 59.7 75.3 88.0 |
min 4000 max 12000 |
Depending on the wall thickness, two types of water-gas-duct pipes are available
| - ordinary pipes | - wall thickness | 2.6 - 4.5 mm |
| - strengthened pipes | - wall thickness | 2.9 - 5.4 mm |
3. Tolerances
According to DIN 2440; DIN 2458; DIN 1626; DIN 1615; BDS 6360; BDS 8585; BDS 738
| Pipes | Outside diameter tolerance | Wall thickness tolerance | Length tolerance |
|---|---|---|---|
| General purpose pipes | ±0.8 % | ±10 % | |
| Pipes for tubular scaffold | ±0.4 mm | ±0.35 mm | ±100 mm |
| Water-gas-duct pipes | - 12.5 % |
4. Mechanical requirements
According to DIN 2440; DIN 1615; BDS 738; BDS 8585.
The pipes are put to the 100 % test of the weld seam by physical methods without destruction, but are not put to the hydraulic-pressure test.
5. Packing and delivery
The welded steel pipes are delivered in bundles of up to 5 MT in weight, tightly tied at three points.
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ARTHIL TRADING COMPANY, S.L
Plaza Huerto Sogueros 7, 3º
12001 Castellón-España
Tel. 34-964/256455* Fax. 34-964/256615
