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Mild Black Erw Pe Coated Steel

Electric Resistance welded steel tube used in oil drilling and machinery manufacturing, etc. Standard: GB/T3091 – 2001, BS1387 – 1985, DIN EN10025, DIN2440, EN10219, JIS G3444: 2004, ASTM A53, ASTM A500, API 5L.
Product Details:

Mild black erw pe coated steel

schedule 40 carbon steel pipe price per ton weld mild black erw pe coated steel pipe manufacturer

O.D

O.D tolerance

W.T

Thickness Tolerance

20--609.6MM

±0.03

0.6--14MM

± BS1387-1985 Black Steel Pipe 0.02

Length

2--12M, according to customers' requirements

Surface

Bared, Oiled, Galvanized, Painted

International Standard

ISO9001;2008

Standard

ASTM A 53 /ASTM A106 / BS 1387-1985

Material

Q195/Q215/Q235/Q345

Product Category :

Metallurgy, Mineral & Energy

Technique:

Welded/ERW

Packing

In bundles or according to customers' requirements

Usage

1.For low pressure liquid delivery such as water , gas and oil
2.For construction , e.g building greenhouse

Main market:

Middle east, Africa, North and South America, East and West Europe, South and southeast Asia,Australia

Place of Origin

China

HS code:

7306309000

Productivity

50000Ton/Month

Processing technology available:

Threading, coupling and with plastic caps protected

Remarks

1) Payment term : T/T
2) Trade Terms : FOB / CFR /CIF
3) Minimum quantity of order : 10 MT (10,000KGS)
4) Delivery period : 10 to 30 Days .

Company info.

We,Tianjin Qunshengda Steel Pipe Co.,Ltd is a professional and reputed manufacture, for carbon steel welded pipes and galvanized steel pipes

Black ERW mild welded carbon steel pipe

Key Specifications/Special  Features:

ERW  pipe/welded pipe
 ● Electric Resistance welded steel tube used in oil drilling and machinery  manufacturing, etc.
 Standard: GB/T3091 – 2001, BS1387 – 1985, DIN EN10025, DIN2440,  EN10219, JIS G3444: 2004, ASTM A53, ASTM A500, API 5L.
 Steel grade: Q235, Q345, S235JR, S275JR, S355, S355JR, S355J2H,  STK400, STK50
 API 5L: A, B, X42, X46, X52, X56, X60, X65 X70
 End: square ends (straight cut, saw cut, and torch cut). or beveled  for welding, beveled,
 Surface: Lightly oiled, Hot dip galvanized, electro galvanized,  black, bare, varnish coating/anti rust oil, Protective coatings (coal tar  epoxy, fusion bond epoxy, 3-layers PE)
 Packing: Plastic plugs in both ends with several steel strips, two  tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth  with several steel strips, Plastic caps.
 Test: Chemical component analysis, mechanical properties (ultimate  tensile strength, yield strength, elongation), technical properties (flattening  test, bending test, blow test, impact test), exterior size inspection,  hydrostatic Test, X-ray test.
 Third party inspection: SGS, BV, Lloyds etc.


     DN

A

B

C

Outer diameter

Wall thickness

Outer diameter

Wall Thickness

Outer diameter

Wall Thickness

max

min

max

min

max

min

15

21.4

21.0

2.0

21.7

21.1

2.6

21.7

21.1

3.2

20

26.9

26.4

2.3

27.2

26.6

2.6

27.2

26.6

3.2

25

33.8

33.2

2.6

34.2

33.4

3.2

34.2

33.4

4.0

32

42.5

41.9

2.6

42.9

42.1

3.2

42.9

42.1

4.0

40

48.4

47.8

2.9

48.8

48.0

3.2

48.8

18.0

4.0

50

60.2

59.6

2.9

60.8

59.8

3.6

60.8

59.8

4.5

65

76.0

75.2

3.2

76.6

75.4

3.6

76.6

75.4

4.5

80

88.7

87.9

3.2

89.5

88.1

4.0

89.5

88.1

5.0

100

113.9

113.0

3.6

114.9

113.1

4.5

114.9

113.3

5.4

125

 

 

 

140.6

138.7

5.0

140.6

138.7

5.4

150

 

 

 

166.1

164.1

5.0

166.1

164.1

5.4


What is the Raw material required for manufacturing Seamless & ERW Stainless steel Pipes?

Seamless Steel Pipe is made from a solid round steel ‘billet’  which is heated and pushed or pulled over a form until the steel is shaped into  a hollow tube. Billets are procured both from indigenous suppliers and from  abroad. Major Indigenous suppliers are JSPL, JSW & Kalyani and steel round  billets are imported from renowned mills from Europe, Far East countries,  Canada, China.
 To Manufacture ERW Stainless Steel Pipes HR Coils are required.  Major Indigenous suppliers of these HR Coils are SAIL, Essar, JSW, Lloyds etc.


What is the Difference Between Seamless and ERW Stainless Steel Pipes?

Electric Resistance Welding (ERW) pipe is manufactured by  rolling metal and then welding it longitudinally across its length. Seamless  pipe is manufactured by extruding the metal to the desired length; therefore  ERW pipe have a welded joint in its cross-section, while seamless pipe does not  have any joint in its cross-section through-out its length.
 In  Seamless pipe, there are no welding or joints and is manufactured from solid  round billets. The seamless pipe is finished to dimensional and wall thickness  specifications in sizes from 1/8 inch to 26 inch OD. Applicable in for  High-pressure applications such as Hydrocarbon Industries & Refineries, Oil  & Gas Exploration & Drilling, Oil & Gas Transportation and Air and  Hydraulic cylinders, Bearings, Boilers, Automobiles
 etc.
 ERW (Electric Resistance Welded) pipes are welded  longitudinally, manufactured from Strip / Coil and can be manufactured upto 24”  OD. ERW pipe cold formed from a ribbon of steel pulled through a series of  rollers and formed into a tube which is fused through a electric charge. It is  mainly used for low/ medium pressure applications such as transportation of  water / oil. Pearlites steel is one of the leading ERW Stainless Steel Pipes  Manufacturer and exporter from India. Contact us for product details.
 Common sizes for ERW Steel Pipe range from 2 3/8 inch OD to 24  inch OD in a variety of lengths to over 100 feet. Surface finishes are  available in bare and coated formats and processing can be handled on site to  customer specifications.


What Technologies  are used to manufacture Seamless & ERW Pipes?

Technologies for Production of Seamless & ERW Pipes “CPE”  Technology” used for Seamless Pipes & Tubes Production up to 7-inches OD is  the world renowned Technology. “Plug Mill” Technology used for Higher Dia.  Seamless Pipes & Tubes Production from 7-inches to 14-inches,is the most  reliable technology,in higher dia. Segment. High frequency Induction Welding  Technology is used for ERW Pipes &Tubes upto 21-inchesOD.


How to Identify  Seamless or ERW Stainless Steel pipes?

To identify that a pipe supplied is seamless or ERW, Simply read  the stencil on the side of the pipe
 If  it is ASTM A53, Type S means seamless.
 Type F is furnace but welded,
 Type E is Electrical resist welded.
 Thats how. It is the easiest way to identify wether pipe is seamless or ERW.
 In short, Seamless is marketed on an outdated myth that it does  not have flaws but that welded has an inherent flaw throughout the length of  each tube, as stated above. Intuitively this concept is easily accepted by  purchasers and designers with limited experience with the various products.  Each product form and manufacturing method has its own inherent problems and  potential defects.
 Consumers must become familiar with what those problems and  defects are, and how they might affect particular applications. Then they can  make an informed decision based on facts, rather than myth.
 Let’s see the video of ERW Stainless Steel Manufacturing Process.


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