regulation | grid | OD mm | Wall thickness mm | Minimum wall | Welded pipe ( 6 m fixed length) | Galvanized pipe ( 6 m fixed length) | ||
Nominal inner diameter | inch | Thick mm | Meter weight kg | Root weight kg | Meter weight kg | Root weight kg | ||
DN15 | 1/2 | 21.3 | 2.8 | 2.45 | 1.28 | 7.68 | 1.357 | 8.14 |
DN20 | 3/4 | 26.9 | 2.8 | 2.45 | 1.66 | 9.96 | 1.76 | 10.56 |
DN25 | 1 | 33.7 | 3.2 | 2.8 | 2.41 | 14.46 | 2.554 | 15.32 |
DN32 | 1.25 | 42.4 | 3.5 | 3.06 | 3.36 | 20.16 | 3.56 | 21.36 |
DN40 | 1.5 | 48.3 | 3.5 | 3.06 | 3.87 | 23.22 | 4.1 | 24.6 |
DN50 | 2 | 60.3 | 3.8 | 3.325 | 5.29 | 31.74 | 5.607 | 33.64 |
DN65 | 2.5 | 76.1 | 4 | 3.5 | 7.11 | 42.66 | 7.536 | 45.21 |
DN80 | 3 | 88.9 | 4 | 8.38 | 50.28 | 8.88 | 53.28 | |
DN100 | 4 | 114.3 | 4 | 10.88 | 65.28 | 11.53 | 69.18 | |
DN125 | 5 | 140 | 4.5 | 15.04 | 90.24 | 15.942 | 98.65 | |
DN150 | 6 | 168.3 | 4.5 | 18.18 | 109.08 | 19.27 | 115.62 | |
DN200 | 8 | 219.1 | 6 (welded pipe) | 31.53 | 189.18 | |||
DN200 | 8 | 219.1 | 6.5 hot-dip galvanizing | 36.12 | 216.72 |
name Weigh | Chinese standard | Enterprise standard | Contrast conclusion | ||||||
Low pressure fluid conveying welded steel pipe | Welded steel pipe | ||||||||
GB/T3091-2001 | Q/YF01-2002 | ||||||||
1 | Steel pipe outer diameter | Steel pipe outer diameter, outer diameter allowable deviation | Better than Chinese standards | ||||||
Outer diameter D/mm | Tube outer diameter deviation mm | Tube outer diameter Deviation mm | Outer diameter D | 8″ | ± 0.60mm | ||||
D< 48.3 | ± 0.5mm | 5″-6″ | ± 0.50mm | ||||||
48.3<D < 168.3 | ± 1.0% | 4″ | ± 0.40mm | ||||||
168.3<D < 508 | ± 0.75% | +2.4 -0.8 | 3″-“ | ± 0.30mm | |||||
D>508 | ± 1.0% | +3.0 -0.8 | 2″ or less | ± 0.20mm | |||||
Wall thickness deviation | ± 12.5% | Wall thickness S | 1.8 5.75mm | 5% | |||||
2 | Usual length | Allowable deviation | length | Usual length | Allowable deviation | Better than Chinese standards | |||
4M-12M | +20 -0 | 2 inches or less | 5-0 | ||||||
Double length: 5-10mn ® should be left for each double in the usual length Margin | +20 -0 | 2.5 inches – 4 inches | 5-0 | ||||||
5 inches or more | 15-0 | ||||||||
Special length | 20-0 |
Product name | Material | specification | Wall thickness ( mr ) | Unit (ton / yuan) | Theoretical weight (m / kg ) | Unit (m / yuan) |
Hot dip galvanized steel | Q 235 | DN 15 (1/2) | 2.8 | 6300 | 1.357 | 8.549 |
Hot dip galvanized steel | Q 235 | DN 20 (3/4) | 2.8 | 6300 | 1.760 | 11.088 |
Hot dip galvanized steel | Q 235 | DN 25 (1.0) | 3.2 | 6300 | 2.554 | 16.090 |
Hot dip galvanized steel | Q 235 | DN 32 (1.25) | 3.5 | 6100 | 3.560 | 21.716 |
Hot dip galvanized steel | Q 235 | DN 40 (1.5) | 3.5 | 6100 | 4.100 | 25.010 |
Hot dip galvanized steel | Q 235 | DN 50 (2.0) | 3.5 | 6000 | 5.607 | 33.642 |
Hot dip galvanized steel | Q 235 | DN 65 (2.5) | 4.0 | 6000 | 7.536 | 45.216 |
Hot dip galvanized steel | Q 235 | DN 80 (3.0) | 4.0 | 6000 | 8.880 | 53.28 |
Hot dip galvanized steel | Q 235 | DN 100 (4.0) | 4.0 | 6000 | 11.530 | 69.18 |
Hot dip galvanized steel | Q 235 | DN 125 (5.0) | 4.5 | 6200 | 15.942 | 98.84 |
Hot dip galvanized steel | Q 235 | DN 150 (6.0) | 4.5 | 6200 | 19.270 | 119.474 |
Hot dip galvanized steel | Q 235 | DN 200 (8.0) | 6.5 | 6300 | 36.120 | 227.556 |
Welded steel pipe | Q 235 | DN 15 (1/2) | 2.8 | 6500 | 1.357 | 8.8205 |
Welded steel pipe | Q 235 | DN 20 (3/4) | 2.8 | 6500 | 1.760 | 11.44 |
Welded steel pipe | Q 235 | DN 25 (1.0) | 3.2 | 6500 | 2.554 | 16.601 |
Welded steel pipe | Q 235 | DN 32 (125) | 3.5 | 6500 | 3.560 | 23.140 |
Welded steel pipe | Q 235 | DN 40 (1.5) | 3.5 | 6500 | 4.100 | 26.650 |
Welded steel pipe | Q 235 | DN 50 (2.0) | 3.5 | 6500 | 5.607 | 36.4455 |
Welded steel pipe | Q 235 | DN 65 (2 5) | 4.0 | 6500 | 7.536 | 48.984 |
Welded steel pipe | Q 235 | DN 80 (3.0) | 4.0 | 5500 | 8.880 | 48.84 |
Welded steel pipe | Q 235 | DN 100 (4 0) | 4.0 | 5500 | 11.530 | 63.415 |
Welded steel pipe | Q 235 | DN 125 (5 0) | 4.5 | 5700 | 15.942 | 90.869 |
Welded steel pipe | Q 235 | DN 150 (6 0) | 4.5 | 5700 | 19.270 | 109.839 |
Welded steel pipe | Q 235 | DN 200 (8.0) | 6.0 | 5900 | 36.120 | 213.108 |