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steel structure workshop

Henan Shang Yi Steel Trade Co., Ltd. is an enterprise specializing in steel sales and processing, cargo transportation and other services. It is committed to the production of wear-resistant steel plates, low-alloy high-strength plates, boiler vessel steel plates, composite steel plates, and extra-wide and extra-thick steel plates. Professional services such as bulk sales, warehousing, cutting and distribution. Products cover mining equipment, cement machinery, metallurgical machinery, construction equipment, ship equipment, power equipment, port equipment, transportation and general machinery manufacturing and other industries. The company's steel plate processing plant can cut semi-finished products and special-shaped parts according to user requirements, and can transport on behalf of customers. It is sold all over the country and exported overseas, and has won praise and trust from customers and markets.

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CONTACT US

Customer satisfaction is our first goal!

Phone

+86 13526880645

E-Mail

systeelplate@outlook.com

Address

No.186, Zi Dong Road, Guan Cheng District, Zheng Zhou, He Nan Province.

steel structure workshop
Types and process of welding pipe-ERWLWCWSAW pipes ...
Types and process of welding pipe-ERWLWCWSAW pipes ...

ERW including ,high frequency welded, steel ,pipe,(HFW) and low ,frequency welded, steel ,pipe,(LFW).Over time, the welds of low ,frequency, ERW ,pipe, was found to be susceptible to selective seam corrosion,hook cracks,and inadequate bonding of the seams,so low ,frequency, ERW is no longer used to manufacture ,pipe,.The ,high frequency, process is still being used to manufacture ,pipe, for use in new pipeline ...

Opportunities to Access the Benefits of High-Frequency ...
Opportunities to Access the Benefits of High-Frequency ...

8/3/2021, · In recent years, many papers have been published describing the advantages and disadvantages of the ,high,-,frequency welded, (HFW) and seamless (SMLS) carbon and low-alloy steel (LAS) ,pipe, manufacturing processes for the oil and gas industry. However, there are few published papers that compare these ...

ERW Pipes HFW Pipe Manufacturer & Supplier
ERW Pipes HFW Pipe Manufacturer & Supplier

The ,High,-,Frequency, Longitudinal Seam ,Welded, Steel ,pipe, is also called ERW steel ,pipe,, it's manufactured by cold-forming a sheet of steel into a cylindrical shape. Current is then passed between the two edges of the steel to heat the steel to a point at which the edges are forced together to form a bond without the use of welding filler material.

ERW Welded Steel Pipes - Steel Pipe/Tube Manufacturer ...
ERW Welded Steel Pipes - Steel Pipe/Tube Manufacturer ...

ERW (Electric Resistance ,Welded,) HFI (,High Frequency, Induction) EFW(ELECTRIC FUSION ,WELDED, TUBE) HFW(,High,-,Frequency, Welding) Quality Standard: ERW HFI, EFW GB/T3091 ,Welded, steel ,pipe, for low pressure liquid delivery GB/T9711 Petroleum and natural gas industries- Steel ,pipe, for pipelines IS: 3589 Steel tubes for water and sewage IS: 1978-1982?

High frequency welded – induction steel pipesHFW / HFI ...
High frequency welded – induction steel pipesHFW / HFI ...

High frequency welded, (HFW) pipes manufactured by “FERRUM” S.A. can be successfully used to produce steel ,fittings, including tees, reducers, elbows and bends. ,Fittings, are made by either cold or hot bending process depending on the strength parameters of …

High Frequency Induction (HFI) Welded Pipe | Steel blog ...
High Frequency Induction (HFI) Welded Pipe | Steel blog ...

In ,High Frequency Induction (HFI) Welded Pipe, production process, hot rolled steel coils are fed with a ,high, capacity accumulator in order to achieve continuous welding. ,HIGH,-,FREQUENCY, WELDING is a welding process in which the heat source used to melt the joining surfaces is obtained from ,high,-,frequency, (HF) alternating current (ac) resistance heating.

Inquiry Email

Business cooperation

+86 13526880645

Company address

No.186, Zi Dong Road, Guan Cheng District, Zheng Zhou, He Nan Province.