Large diameter spiral steel pipe ssaw steel pipe for penstock pipeline and piling steel pipe
Product Detail
Product Details
Large diameter spiral steel pipe ssaw steel pipe for penstock pipeline and piling steel pipe
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Specification |
OD: 219-2032mm WT: 5.0-16mm |
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Technique |
SSAW (spiral submerged arc process) |
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Material |
API 5L / A53 GR B Q195 Q235 Q345 S235 S355 |
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Surface treatment |
External: 3PE, bitumen, epoxy powder Internal: Epoxy, bitumen, cement |
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DNT testing |
Hydrostatic test UT test RT test |
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End treatment |
Bevel |
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Certificate |
API 5L |
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Third party inspection |
BV SGS |
Anti-corrosion Index
External 3PE Executive Standard DIN30670
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DN |
Epoxy coating/um |
Adhesive coating/um |
Minimum thickness for PE coating(mm) |
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Common |
Enhanced |
|||
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DN≤100 |
≥120 |
≥170 |
1.8 |
2.5 |
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100<DN≤250 |
2.0 |
2.7 |
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250<DN<500 |
2.2 |
2.9 |
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500≤DN<800 |
2.5 |
3.2 |
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DN≥800 |
3.0 |
3.7 |
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External Single-layer Epoxy Executive SY/T0315
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Number |
Coating level |
Minimum thickness(um) |
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1 |
Normal level |
300 |
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2 |
Reinforce level |
400 |
Internal FBE Executive SY/T0442
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Pipeline operation requirements |
Internal coating thickness(um) |
|
|
Drap reduction pipeline |
≥50 |
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Anti-corrosion pipeline |
Normal |
≥250 |
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Reinforce |
≥350 |
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Production Line
2 workshops and 4 product lines to produce 219mm up to 2032mm steel pipe.
Butt-welded joint configuration available with machine-beveled ends.
Joint length up to 80 feet.
Visual Inspection
Outside diameter inspection
Length inspection
Thickness inspection
Company Introduction
Ehong Steel is located in the Bohai Sea economic circle of public Cai town, Jinghai county industrial park, which is known as a professional steel pipe manufacturer in China.
Established in 1998, based on its own strength, we has been developing continuously.
The total assets of the factory cover an area of 300 acres, now has more than 200 employees, with annual production capacity 1 million tons.
Main product are ERW steel pipe, galvanized steel pipe, spiral steel pipe, square and rectangular steel pipe,. We got ISO9001-2008, API 5L certificates.
Tianjin Ehong International Trade Co.,Ltd is the trading office with 17years export experience. And the trading office exported a wide range of steel products with best price and high quality products.
We have our own lab can do the below testing: Hydrostatic pressure testing, Chemical composition testing, Digital Rockwell hardness testing, X-ray flaw detection testing, Charpy impact testing, Ultrasonic NDT
Lab
We have our own lab can do the below testing:
Hydrostatic pressure testing
Chemical composition testing
Digital Rockwell hardness testing
X-ray flaw detection testing
Charpy impact testing
Ultrasonic NDT
FAQ
Q: Are u a manufacturer?
A: Yes, we are spiral steel tube manufacturer locates in Daqiuzhuang village, Tianjin city, China
Q:Can I have a trial order only several tons?
A: Of course. We can ship the cargo for u with LCL service.(Less container load)
Q: Do u have payment superiority?
A: For big order, 30-90 days L/C can be acceptable.
Q: If sample free?
A: Sample free, but the buyer pays for the freight.
Q: Are you gold supplier and do trade assurance?
A: We seven years cold supplier and accept trade assurance.
