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ERW Steel Pipe

ERW steel pipe is a straight seam electric resistance welded pipe, abbreviated as ERW pipe, which is a round pipe welded by steel plates. It is used to transport vapor and liquid objects such as oil and n atural gas, and can meet various requirements of high and low pressure.




Product Detail Technical Packaging

Product introduction

ERW Steel Pipe

Pipe Type: ERW Pipe, ERW Steel Pipe, Electric Resistance Welded Pipe
Application: For Low Pressure Fluid Transmission, Machinery Manufacturing

Specification: OD: 21.3mm ~ 660mm

                          WT: 1mm ~ 17.5mm

                          LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL)

Standard & Grade: API 5L PSL1/PSL2 Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70
ASTM A53, ASTM A500, JIS G3466, ASTM A252, ASTM A178, AN/NZS 1163, AN/NZS 1074, EN10219-1, EN10217-1

End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating

Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped

 

Production Process for ERW steel pipe:  

1.Uncoiling --- 2. Leveling --- 3. End cutting --- 4. End shearing welding --- 5. Supercoil accumulator --- 6. Edge cutting --- 7. Ultrasonic detection --- 8. Forming --- 9. Electric induction welding --- 10. Ultrasonic detection for weld seam --- 11. Medium frequency heat treatment --- 12. Air cooling --- 13. Water cooling --- 14. Sizing --- 15. Flying cutting --- 16. Flush-out --- 17. Cropping --- 18. Flattening testing --- 19. Straightening --- 20. End facing and bevelling --- 21. Hydrodynamic testing --- 22. Ultrasonic detection for weld seam --- 23. Ultrasonic detection for pipe end --- 24. Visual and dimensions inspection --- 25.Weighting and measuring --- 26. Marking --- 27. Coating --- 28. Pipe-end protection --- 29. Bending --- 30. Shipping

Specification of ERW steel pipe: 

API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)

Outside Diameter 

Wall Thickness 

Outside Diameter 

Wall Thickness 

外径 (mm)

壁厚 (mm)

外径 (mm)

壁厚 (mm)

33.4
(1")

2.1-2.4

Φ133       

3.0-5.75

2.5-3.25

6.0-7.75

3.5-4.0

8.0-10

42.3
(1.2")

2.1-2.4

Φ139.7
(5″)    

3.0-4.5

2.5-3.5

4.75-5.75

3.75

6.0-7.75

4.0-5.0

8.0-10

48.3
(1.5")

2.1-2.4

Φ152 

3.0-4.5

2.5-3.25

4.75-5.75

3.5-3.75

6.0-7.75

4.0-4.25

8.0-10.0

4.5-6.0

Φ159   

3.25-6.75

Φ60.3 
(2″)           

3.0-4.0

6.8-7.75

4.25-4.75

8.0-10.0

5.0-5.75

10.0-11.75

Ф73

3.0-4.75

Φ165           

3.0-6.0

4.8-5.25

6.25-7.0

5.5-7.0

/

Φ76.1
(2.5″)       

3.0-4.0

/

4.25-4.75

Φ168.3

3.5-5.75

5.0-5.25

6.0-8

5.5-7.0

8.25-8.75

Φ88.9
(3″)        

3.0-4.0

9.0-9.75

4.25-4.75

10.0-11.75

5.0-5.25

/

5.5-6.0

Φ177.8 
(Φ180)        

3.75-5.75

8

6.0-7.75

Φ108          

3.0-4.5

8.0-8.75

4.75-5.75

9.0-9.75

6.0-6.25

10.0-11.75

6.5-9.0

/

Φ114.3
(4'')

3.0-4.0

Φ193.7
        

4.0-6.75

4.25-4.75

6.8-7.75

5.0-6.0

8.0-9.75

6.25-7.75

10.0-11.75

8.0-10

/

Φ127       

3.0-4.75

Φ203              

3.0-6.75

5.0-5.75

6.8-8.0

/

8.25-11.75

/

/

 

API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)

Outside Diameter 

Wall Thickness 

Outside Diameter 

Wall Thickness 

外径 (mm)

壁厚 (mm)

外径 (mm)

壁厚 (mm)

219、245

5.0-11.75

462

5.75-11.75

273

5.0-11.75

12.5-13.75

12.5-13.75

457、478

5.75-11.75

299

5.5-11.75

12.5-13.75

12.5-13.75

14.5-17.75

325

5.5-11.75

508

5.75-11.75

12.5-13.75

12.5-13.75

355

5.5-11.75

14.5-17.75

12.5-13.75

529/559/610/630

5.75-11.75

377

5.75-11.75

12.5-13.75

12.5-13.75

14.5-17.75

406

5.75-11.75

660

7.5-11.75

12.5-13.75

12.5-13.75

/

14.5-17.75

 

API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)

Outside Diameter 

Wall Thickness 

Outside Diameter 

Wall Thickness 

外径 (mm)

壁厚 (mm)

外径 (mm)

壁厚 (mm)

219、245

5.0-11.75

462

5.75-11.75

273

5.0-11.75

12.5-13.75

12.5-13.75

457、478

5.75-11.75

299

5.5-11.75

12.5-13.75

12.5-13.75

14.5-17.75

325

5.5-11.75

508

5.75-11.75

12.5-13.75

12.5-13.75

355

5.5-11.75

14.5-17.75

12.5-13.75

529/559/610/630

5.75-11.75

377

5.75-11.75

12.5-13.75

12.5-13.75

14.5-17.75

406

5.75-11.75

660

7.5-11.75

12.5-13.75

12.5-13.75

/

14.5-17.75

 

Technical data 

Tolerances of ERW steel pipe

Standard

Grade

Out Diameter Tolerance

Wall Thickness Tolerance

ASTM A53

A

+/-1.0%

+/- 12.5%

 B

+/- 1.0%

+/- 12.5%

Chemical Analysis & Mechanical Properties of ERW steel pipe

Standard

Grade

Chemical Analysis(%)

Mechanical Properties(min)(Mpa)

C

Mn

P

S

Tensile Strength

Yield Strength

ASTM A53

A

0.25

0.95

0.05

0.045

330

205

B

0.30

1.20

0.05

0.045

415

240

 

Packaging

 

The company's products are packaged and labeled according to regulations and customer requirements. Take care to avoid any damage that may occur during storage or transportation. In addition, clear labels are attached outside the package to facilitate identification of product ID and quality information.


1. Wooden case packing, PVC packing, etc.

2. Standard seaworthy packing machine customized

3. Port any port in China

 

In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.

 

Stainless steel pipes are often packed and transported in bags, boxes or protective containers. Stainless steel conduits with an outer diameter greater than 6 inches can be transported in bulk, packed or not. The length, outer diameter, wall thickness, finish and transportation method determine the optimal packaging method. Most polishing tubes are packed in wooden cases or boxes made of other suitable materials.

 

It is necessary to bundle stainless steel pipes, because excessive quantities of stainless steel pipes during transportation may lead to risks such as bending, extrusion deformation or twisting of pipes during transportation. In addition, some other auxiliary measures need to be taken during baling. Flat steel wire belt is generally used for binding, but other suitable materials can also be used. The number of fixed knots depends on the length and weight of the bale.

Application

 

1 Building Materials industry 
2 light industry 
3 Shipbuilding Industry 
4 Mechanical Manufacturing 
5 Bridge Construction 
6 Energy Engineering 
7 Water Conservancy Projects 
8 Chemical Industry

 

1. Automobile industry

Stainless steel plate not only has high corrosion resistance, but also has light weight, which is very important in automobile manufacturing. A large number of stainless steel plates are required for the manufacturing of automobile shells, and many international famous cars are now beginning to use stainless steel plates as the structural materials of automobiles. Even in high-speed railway, subway and other aspects, stainless steel plate is also widely used.

2. Water storage and transportation

Water has high requirements on the environment during storage. Stainless steel plate can effectively ensure the water quality is not polluted when used for water storage. Stainless steel plate is also recognized as a safe, hygienic and efficient water storage material in the world. Stainless steel plate will also be an indispensable material for water storage equipment in the future.

3. Construction industry

In fact, stainless steel plates were first used in the construction industry, and then gradually introduced into more fields. Decorative panels on the exterior walls of buildings are generally made of stainless steel plates, which are durable and beautiful.

In a word, stainless steel plates are widely used. In addition to the above, stainless steel plates can also be seen in the household appliance manufacturing industry. I hope you can have a more comprehensive understanding of stainless steel plate after reading this article. More wonderful content, remember to pay attention to TISCO stainless steel!

 

FAQ

全口种植牙怎么样,ALL-on-4又是什么?


1、家里如果有汽油的话,可以准备适量的汽油,然后把汽油滴在有口香糖的地方,汽油可以有效的溶解掉口香糖,从而达到祛除口香糖的目的。

2、家里没有汽油的情况下,可以把沾有口香糖的地方折叠向外。

3、接着把衣服放在一个干净的塑料袋里面,需要注意的是口香糖不要沾在袋子上。

4、接着将袋子的口封上,然后把袋子放进冰箱里,冰冻几个小时

牙齿矫正最佳年龄?几岁最好?


1、补血

水蜜桃是一种肉质细嫩,营养丰富的美味水果,而且它含有丰富的微量元素铁和磷,这些物质可以加快身体内血红蛋白合成,并能增强人体内造血干细胞的活性,能加快血红蛋白再生病能提高人体自身造血能力,他对人类经常出现了缺铁性贫血有明显缓解作用。

 

2、预防癌症

平时人们多吃一些水蜜桃,还能预防癌症发生,因为水蜜桃中含有丰富的苦杏仁干和一些维生素c这些物质对人体内的癌细胞都有明显抑制和消灭作用,它们能阻止人体内致癌物质生成,也能抑制人体内癌细胞的活性,经常食用能防止细胞癌变,也能阻止癌细胞再生,能让人体自身的防癌抗癌能力明显提高。

 

3、预防血栓

人们经常吃水蜜桃,还能预防血栓发生,因为水蜜桃具有很强的抗凝血能力,它能促进人体内抗体产生,可防止血小板凝结成块,另外人们吃水蜜桃还能降低血液粘稠度,可以从根源上阻止血栓生成,对维持人体心血管健康有十分积极的作用。人们吃水蜜桃还能营养心肌,提高心脏功能,能预防心肌缺血和心率不齐等多种不良症状发生。

常见床垫故障排除——发霉


床垫在使用中塑料膜未拆除、铺板不透气、使用环境潮湿等情况可能会导致表面发霉。请保持室内空气畅通,时常换洗床单并清洁床垫表面。

常见床垫故障排除——长虫


床垫在使用中长期无翻动或不清洁,可能会滋生细菌及螨虫。请保持室内空气畅通,时常换洗床单并清洁床垫表面。

怎样保养床垫?


1、新购置的床垫因长时间密封包装,可能会有新品气味,只要保持室内空气流通或放置于通风阴凉处72小时,气味会明显降低。 

2、平放在光滑平整、透气的床铺面上,使床垫均匀承托及透气。 

3、使用时应避免在垫面上局部受力重压,以免造成床垫局部凹陷变形影响使用寿命。 

4、使用时应避免有锐角器具或刀具等划伤面料。 

5、使用时应保持干燥,避免液体渗漏、高温熨烫或明火等损坏垫面。 

6、使用时建议套上床垫罩或品质较好的床单,以免弄脏床垫表面。

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