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Black Iron Round Mild ERW Steel Pipe Welded Pipes

Welded steel pipe, basically made of steel plate or strip after crimping forming welded steel pipe welding steel pipe production process is simple, high production efficiency, varieties and specifications, less equipment, but the general strength is lower than seamless steel pipe Since the 1930s, with the rapid development of high quality strip rolling production and the progress of welding and inspection technology, the quality of welding seam is improving, the variety and specifications of welded steel pipe are increasing day by day, and in more and more fields instead of seamless steel pipe welding steel pipe is divided into straight seam welding pipe and spiral welding pipe according to the form of welding seam

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Product Details

Product parameters:

Product Name	welded spiral steel pipe
O.D	200-2000mm
Wall Thickness	1.2-30mm
Length	4-12m
Material	Q235A, Q235B, Q345, L245, L290, API5L X42,X52,X60,X70,X80, OCr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb,ST37.0, ST35.8,ST37.2,ST45,ST52,ST52.4,STP G38,STP G42,STPT42,STS49, etc.
Standard	SY/T5037-2000, GB/T9711.1-1997, GB/T9711.2, API-5L, SY/T5040-92, ASTM A53,A106, DIN1626,DIN1629,DIN2448,JIS G3452,JIS G3454,JIS G3455, JIS G3456,JIS G3457,JIS G3461
Application	Mainly used in water engineering, petroleum and natural gas industry, chemical industry, agricultural irrigation, urban construction,

Applications：

Welded pipe products are widely used in boilers, automobiles, ships, light structure doors and Windows steel, furniture, all kinds of agricultural machinery, scaffolding, wire pipe, high-rise shelves, containers and so on. Can meet customer requirements, special specifications of welded pipe can be processed according to customer requirements.

Black Iron Round Mild ERW Steel Pipe Welded Pipes

Packing:

Packing Details : Bundles etc standard seaworthy package. Container of Bulk carrier
Delivery Details : 7-10 workdays after receiving the deposit or L/C.
Containers:
20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Lengh)x2352mm(Width)x2698mm(High)
20' container can load 25tons goods whose length is under 5.8m
40' container can load 26tons goods whose length is under11.8

Black Iron Round Mild ERW Steel Pipe Welded Pipes

Company introduction

Shandong Ruinai Steel Sales Co., Ltd is located in Liaocheng city,west of Shandong province, it's about 400 Km in south of Beijing city ,and 100 Km in west of Jinan city , benefit from the convenient traffic condition,Liaocheng economy develops rapidly and formed the largest steel logistics centre in north of China. Ruinai Steel is a subsidiary of Lai Steel Group, founded in 2018 and engaged in production and sales of wear resistant steell plate,weathering steel plate,high strength carbon steel plate,stainless steel,aluminum,brass and sectional materials. Except the stock product, we also have our own factory and workshop,stainless steel welded pipe factory, have 24 lines to produce the welded pipe(round and rectangle pipe),out diameter and width: 5mm-610mm, thickness: 0.5mm-20mm.

We have our own workshop, we can supply one stop service:

1. Blasting machine.

2. Fiber machine cutting machine.

3. Bending machine.

4. Drill holes machine.

5. Fully automatic paint room.

6. Welded machine.

We passed certificate ISO9001, ISO14000, OHSAS18001. As a member of China iron and steel association, we established long term friendly cooperation with famous domestic mill plants,such as Bao steel, Wu steel, An steel, Tai steel etc. As well as active pursues partnerships foreign company, in order to meet customer requirement. With concept of "Keep Improving, Win-win Cooperation', and executed by reliable quality and after sales service system, Qigang gained good reputation from customers at home and abroad. We sincerely welcome you to come our company to negotiate business.

Cooperative company

Ruinai Steel is a subsidiary of Laiwu Steel Mill Plant , with business continues expanding and customer different requesting of variety steel product , we established long term friendly cooperation with famous domestic mill plants , such as Baosteel Group / Wusteel Group / Ansteel Gropu / Taisteel Group etc . In order to assure quality and delivery time , we keep mass stock of regular size steel materials all the year round , we welcome clients come to our warehouse have an inspection .

As a international company we also pursues partnerships with SSAB and POSCO positively .

Processing customized

Ruinai Steel can do many service.

We have our own Sandblasting spray paint line , can paint different colors for different products .

We have several cutting machine ( flame cutting machine , laser cutting machine , plasma cutting machine , sawing machine ) can cut plate thickness up to 100mm, and different sharp as Customer inquiry .

We can also drilling holes on plate , and pipes . We can also do descaling , chip removing , welding Fixed length , bending , galvanize ,3PE coating etc . Whatever you have demand , tell us , we wil try our best to satisfy you .

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Exporting countries

Since the establishment in 2012, Ruinai has always aimed at products ’ quality and customers benefit keep working on improving the performance of steel and customer service . So far , our products have been sold far to Malaysia , Vietnam , Singapore , USA , Greece , Russia , Mexico Australia , Canada , Chile , Peru , Colombia , South Africa , Guyana , etc , and other countries and regions , and a famous brand name with international recognition and reputation . Our company has a team of international sales staffs who are familiar with the steel who know wel about the procedures of the export business and certificate . We have many warehouses , and the import and export license providing a dragon and professional trade service of brand steel products from purchasing , quality inspection , storage and LCL ( Less than container load ) to export.

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