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China Price for erw hot dipped pre galvanized steel pipe
1. Details of erw hot dipped pre galvanized steel pipe
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1)O.D.: 21.3-610mm
2)W.T: 1.8-22mm
3)Length: 6-12m
4)Material: Q195, Q215, Q235
5)Standard: DIN 2440, GB/T3091, ASTM A53, BS1387, enterprise standard
6)Zinc coating: 250-500g/m2 or customized
7)Application of erw hot dipped pre galvanized steel pipe : used for casing, line pipe for petroleum and natural gas, structural pipe, transferring water, pulp or other fluid and also in chemical industry, building and power engineering
8)Certificate: ISO9001:2008
9)Price terms: FOB, CFR, CIF
10)Original place: Tianjin, China
11)Main sales market: North America, South America, Eastern Europe, Southeast Asia, Mid East,Eastern Asia, Western Europe
12)Key words: erw hot dipped pre galvanized steel pipe
Items | ASTM A53 Black and hot-dipped galvanized steel pipe |
O.D. tolerances of Pipe Body mm | D≤48.3mm: ≤0.4mm D≥60.3mm: ≤±1.0% |
O.D. tolerances of Pipe ends mm | D≤48.3mm: ≤0.4mm D≥60.3mm: ≤±1.0% |
Tolerances of Wall Thickness mm | ≤-12.5% |
Tolerances of Weight | ≤±10% |
Straightness mm | The finished pipe shall be flat and straight |
Pipe ends | E<12.7mm, Bevel angle: 30°~35° |
Hydrostatic Pressure Test | Each length of welded steel pipes shall be hydrostatically tested. Time holding test pressure≥5 seconds |
Non-destructive Inspection | The full length (100%) of welded seam of steel pipe shall be ultrasonically inspected online. |
Heat Treatment | Class B. Analog normalizing heat treatment for the welded beams shall be conducted online or rolling normalizing strip. |
2. Specification of erw hot dipped pre galvanized steel pipe
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Hot Dipped Galvanized Steel Pipe
ASTM A53/Grade A/B ERW and Hot Dipped Galvanized Steel Pipe
DIN 2440-1978 Threaded Steel Pipes
BS 1987 Hot Dipped Galvanized Steel Pipe
3. Photoes of erw hot dipped pre galvanized steel pipe
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We are the leading Manufacturer of Welded Steel Pipe since 2003, we have 4 black steel pipe production lines and 8 hot dipped galvanized steel pipe production lines with 240000 tons production capacity per year.
Our qualified pipes have acquired Certificate of ISO 9001:2008 Quality System and we are the Gold Supplier on Alibaba. Welcome to join in us!
Please send your enquiry as per needs. Waiting for hearing from you soon!