Welcome to the company ! we have many years of professional experience !
systeelplate@outlook.com +86 13526880645

galvanised square tubing steel

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.

Certificate of Honor

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.

galvanised square tubing steel
Performance differences SAW vs HFW - Material engineering ...
Performance differences SAW vs HFW - Material engineering ...

HFW, is a higher frequency,, and, to my understanding alleviates the seam bonding concerns., Pipes, produced from electric welding techniques are cheaper to produce then, SAW, materials so why wouldn't someone want the, EW pipe, over, SAW pipe., This is more just a general question trying to better understand the downside of EW materials.

Sour Service Carbon Steel Line Pipe Sour Service Drill ...
Sour Service Carbon Steel Line Pipe Sour Service Drill ...

pipe diameter and out-of-roundness for pipe with D ≤ 168,3 mm (6.625 in) SMLS,HFW, SAWL, or SAWH: Once per test unit of not more than 100 lengths of pipe: pipe diameter and out-of-roundness for pipe with D> 168,3 mm (6.625 in) SMLS,HFW, SAWL, or SAWH: Once per test unit of not more than 20 lengths of pipe: Non-destructive inspection: SMLS,HFW, SAWL, or SAWH

Differences between ERW Steel Pipe and HFW Steel Pipe
Differences between ERW Steel Pipe and HFW Steel Pipe

The high frequency welding (,HFW,) is mainly used in ordinary or thin wall steel ,pipe,. It includes contact welding and induction welding. Direct current welding is generally used for small caliber steel tubes. In general, ,HFW, is one of ERW production methods, it adopts the high frequency welding process. So, ERW steel ,pipe, includes ,HFW, steel ,pipe,.

All You Need to Know About Stainless Steel Pipes ...
All You Need to Know About Stainless Steel Pipes ...

HFW–, high frequency, welding. SAW– submerged arc welding (spiral seam or long seam) In this section you will learn and understand about pipe manufacturing process like HFW, EFW, ERW, and SAW. From continues coil as well as strips, welded pipes are produced.

Erw And Saw Pipes Erw And Saw Pipes Suppliers and - SCH40 ...
Erw And Saw Pipes Erw And Saw Pipes Suppliers and - SCH40 ...

Erw And ,Saw, Pipes Erw And ,Saw, Pipes Suppliers and . Description: Differences Between ,SAW, and ERW ,Pipe, Winsteel Group; ERW ,pipe, means Electric Resistance Welded ,pipe,. Second Differences Between ,SAW, and ERW ,Pipe, – We Will See It From The Weld Seam. The surface quality is very important for pipes. Though both ,SAW, and ERW pipes all have a weld seam.

Differences between ERW Steel Pipe and HFW Steel Pipe
Differences between ERW Steel Pipe and HFW Steel Pipe

Differences between ERW steel ,pipe, and ,HFW, steel ,pipe,. The differences of the ERW, ,HFW, welding processes. ERW welding process refers the heat generated by the resistance to current flow that pass through the jointed metals. So a large current is needed to electrify the whole surface of the steel plate or coil to the length of welding.

Attachment 1: Summary of Technical Differences between API ...
Attachment 1: Summary of Technical Differences between API ...

1. Scope – ISO/44th does not cover water ,pipe, but does cover sour & offshore ,pipe, 2. ,Pipe, sizes – Wider ,pipe, range for ISO/44th 3. Delivery conditions – ISO/44th more thoroughly/explicitly covers alternate delivery conditions within grade 4. Manufacturing – ISO/44th is more restrictive with steelmaking (BOF or EAF) and ,pipe

Pipe Manufacturing Process Welded pipe - SlideShare
Pipe Manufacturing Process Welded pipe - SlideShare

15/10/2016, · ,Pipe, Manufacturing Process Welded ,pipe,. 1. ,Pipe, Manufacturing Process Welded ,Pipe,. 2. In this video you will learn Manufacturing Process for welded ,Pipe SAW Pipe, Longitudinal Seam ,Pipe, (L-,SAW,) Spiral Seam ,Pipe, ERW / EFW / ,HFW Pipe, Visit Today - www.hardhatengineer.com. 3.

Difference between ERW and DSAW pipes - Alloy Pipe Tubes ...
Difference between ERW and DSAW pipes - Alloy Pipe Tubes ...

Difference between ERW and DSAW pipes is generated in the carbon steel smelting defect smelting and casting process, such as segregation, non-metallic inclusions, porosity, shrinkage and cracks. Double Submerged Arc Welded (DSAW) steel ,pipe, is available in straight and spiral welded formats and used in a variety of applications.

Steel Pipe OCTG Casing and Tubing Supplier - Octal
Steel Pipe OCTG Casing and Tubing Supplier - Octal

ERW ,pipe manufacturing process, includes ,HFW,. ERW have low, medium, high frequency welding processes, and ,HFW, is specially for high-frequency electric resistance welding. The differences between ERW and ,HFW, steel ,pipe,, is EFW is a type of ERW ,process, for ordinary and thin-wall thickness steel pipes.

HFW MS PIPE WALL THICKNESS - Steel Pipes factory
HFW MS PIPE WALL THICKNESS - Steel Pipes factory

Welded ,Pipe, Manufacturing Methods ,SAW,, ERW, EFW & [steel]Oct 14, 2016 · ERW / EFW or ,HFW, Welded ,Pipe, Manufacturing Process. Less thickness ,pipe,, mainly ERW / EFW or ,HFW, welded ,pipe, are formed by continues rolling method. In this method, a flat metal strip from the strip coil is feed ...

EFW pipe vs SAW pipe - Sunny Steel
EFW pipe vs SAW pipe - Sunny Steel

Welded steel ,pipe, (steel ,pipe, manufactured with a weld) is a tubular product made out of flat plates, known as skelp, that are formed, bent and prepared for welding. Difference in ERW and SAWL. Submarine Pipeline and Welding Technology. Ambivalence is the watch word for now in China. ERW ,pipe, technical requirements.

Differences Between ERW and HFW Steel Pipe
Differences Between ERW and HFW Steel Pipe

High frequency welding (,HFW,) is mainly used for ordinary or thin-walled steel pipes. It includes contact welding and induction welding. DC welding is usually used for small diameter steel pipes. Generally, ,HFW, is one of ERW production methods, which uses high-frequency welding technology. Therefore, ERW steel ,pipe, includes ,HFW, steel ,pipe,.

ISO 3183 Vs API 5L - oil and gas piping materials
ISO 3183 Vs API 5L - oil and gas piping materials

Pipe, grade: ,Pipe, Body of Seamless and Welded Pipes: weld seam of ,HFW,, ,SAW, and COW pipes: Yield Strength a: Tensile Strength a: Ratio a,b,c: Elongation Af: Tensile strength d: Rt0.5 b: Rm: Rt0,5lRm Rm: Mpa (psi) Mpa (psi) % Mpa (psi) minimum: maximum: minimum: maximum: maximum: minimum: minimum: L245R or BR L245N or BN L245Q or BQ L245M or BM: 245 (35 500) 450 e …

Electric Resistance Welded Pipe -ERW/HFW - Knowledge ...
Electric Resistance Welded Pipe -ERW/HFW - Knowledge ...

Electric Resistance Welded Pipe -ERW,/,HFW, - Oct 16, 2017 - ERW pipes means Electric Resistance Welded Pipes. ERW steel pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc. ERW steel pipes and tube are available in various qualities, ...

Inquiry Email

Business cooperation

+86 13526880645

Company address

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