Active Member
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[China]
Address: Room1311-1313, Tiancheng Building, Beijing Road, Yunhe District, Cangzhou City, Hebei Province, China.
Contact name:
Hebei Huayang Steel Pipe Co., Ltd. |
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Natural Gas Industries GB T 9711 GRA Black ERW Steel Tube
GB / T9711 ERW Black Steel Pipe use for Petroleum And Natural Gas Industries
ERW (Electric Resistance Welded), HFI (High Frequency Induction), HFW
(High-Frequency Welding)
ERW(Electric Resistance Welding) pipe used for transmission of oil, natural gas and other fluid medium which is suitable for high or low pressure purpose. Black steel pipe is made of steel that has not been galvanized. Its name comes from the scaly, dark-colored iron oxide coating on its surface. It's used in applications that don't require galvanized steel. ERW black steel pipe which is the black steel pipes which produced in ERW type.
Special design available according to requirement,anti-corrosion and high-temperature resistant with black painting,all the production process are made under the ISO9001:2000 strictly.
We are specialize in the supply of ERW steel pipes.We supply steel as the manufacturer’s price to meet customer's needs with satisfied services and most competitive quality.
In case you have any other questions,please e-mail us,we will be very glad to reply you as soon as possible,we are wishing to establish the business relations with you.
Our company owns the modern equipments and completed examination methods. meanwhile, advanced inspection devices service us with good effects-X beam crack detection, the ultrasonic pressure testing machine, the tensile testing machine, the physics and chemistry laboratories and the integrated measuring system. thus, the production of goods can be guaranteed compliance to standard and satisfying to customers' requirement.
Quality Standards:
API 5L Line Pipe for oil and gas
EN10217 Welded steel tubes for pressure purposes. Technical
delivery conditions. Non-alloy steel tubes with specified room
temperature properties
DIN 2458 WELDED STEEL PIPES AND TUBES
ASTM A53 Standard Specification for Pipe, Steel, Black and
Hot-Dipped, Zinc-Coated, Welded and Seamless
GB/T9711 Petroleum and natural gas industries--Steel pipe for
pipelines
GB/T3091 Welded steel pipe for low pressure liquid delivery and
construction
BS 1387 Steel Tubes for use for Water, Gas, Air and Steam
Supply ability: 50,000 Metric Tons/Month
Delivery time: 7 day at fastest, based on total quantity or as customers’ requirements
Loading port: Tianjin(Xingang) Port
Payment Term: T/T, L/C at sight or negotiate
Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.
| Specification | OD | 114.3mm-610mm (4"-24") |
| WT | 3.5mm-22mm | |
| Length | 3mtr-18mtr | |
| Surface | Lightly oiled, Hot dip galvanized, Electro galvanized, Black painted, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)
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| End | Plain/square ends (straight cut, saw cut, and torch cut), or Beveled ends, or Threaded ends, or Grooved ends. | |
| Steel grades |
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| Coating Standard | ISO 21809: Petroleum and natural gas industries -- External
coatings for buried or submerged pipelines used in pipeline
transportation systems AWWA C210: Liquid-Epoxy Coatings and Linings for Steel Water Pipe
and Fittings
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Our Advantage:
Huayang specialized in manufacturing welded carbon steel pipes for 14 years. The annual output is around 1,000,000 tons. Our products have been exported to 40 countries and regions till now, such as Canada, Hong Kong, Vietnam, Bangladesh, The U.A.E, America, Spain, Italy, Netherlands, Kuwait, Saudi Arabia etc. So any inquiry or special demands will get fast and most professional reply.
