Product Name | Hot Dip Galvanized Pipe galvanized steel pipe for industry use, galvanized scaffolding pipe for construction |
Application | Used for transporting low pressure liquid, gas and heating |
Size |
OD:
21.3mm ~ 406.4mm WT: 0.5mm ~ 20mm LENGTH: 0.3mtr ~ 18mtr, Ramdon Length, Fixed Length, SRL, DRL |
Standard | GB/T 3091 Q195/Q215/Q235/Q345, BS 1387, EN 39, EN 1139 S235JR/S275JR, ASTM A53 GR. A/B/C, JIS G3444 STK 400/STK 500 |
Surface | 120~500 g/m2(30um~70um) |
End | Plain End/Bevelled End, Burr Removed |
Packing | Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped |
regulation | grid | OD | Wall thickness mm | Minimum wall | Welded pipe | Galvanized pipe | ||
mm | ( 6 m fixed length) | ( 6 m fixed length) | ||||||
Nominal inner diameter | inch | Thick mm | Meter weight kg | Root weight kg | Meter weight kg | Root weight kg | ||
DN15 | 1月2日 | 21.3 | 2.8 | 2.45 | 1.28 | 7.68 | 1.357 | 8.14 |
DN20 | 3月4日 | 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 |
GB / T 3091-2001 hot-dip galvanized pipe wall thickness deviation
name | Chinese standard | Enterprise standard | Contrast conclusion | ||||||
Weigh | 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, | Better than Chinese standards | ||||||
outer diameter allowable deviation | |||||||||
Outer diameter D/mm | Tube outer diameter deviation mm | Tube outer diameter | Outer diameter D | 8″ | ± 0.60mm | ||||
Deviation mm | |||||||||
D< 48.3 | ± 0.5mm | 5″-6″ | ± 0.50mm | ||||||
48.3<D < | ± 1.0% | 4″ | ± 0.40mm | ||||||
168.3 | |||||||||
168.3<D < | ± 0.75% | 1.6 | 3″-“ | ± 0.30mm | |||||
508 | |||||||||
D>508 | ± 1.0% | 2.2 | 2″ or less | ± 0.20mm | |||||
Wall thickness deviation | ± 12.5% | Wall thickness S | 1.8 | 5% | |||||
5.75mm | |||||||||
2 | Usual length | Allowable deviation | length | Usual length | Allowable deviation | Better than Chinese standards | |||
4M-12M | 20 | 2 inches or less | 5-0 | ||||||
Double length: 5-10mn ® should be | 20 | 2.5 inches – 4 inches | 5-0 | ||||||
left for each double in the usual length | 5 inches or more | 15-0 | |||||||
Margin | Special length | 20-0 |
Steel Standard |
GB/T3091-2015/ISO 65/ASTM A53/ ASTM A795/SS400/BS1387 |
Surface treatment |
Galvanization(100g/㎡-200g/㎡) |
General size sch40 |
Stock about 100 tons per size |
100 Tons<Order≤1000Tons |
25 Days leading time |
1000Tons<Order |
Negotiable |