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Seamless steel pipe

Ends: 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

Category:

Seamless Pipe


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Product Description

Product introduction

Pipe Type: Boiler Seamless Tube, Seamless Boiler Tube, Boiler Pipe
Application: For High-pressure Fluids Transmission (boiler, heat exchanger, condenser)
Specification: OD: 0.84'' ~ 28'' (21.3 ~ 711mm)
                          WT: 0.091'' ~ 1.575'' (2.3 ~ 40mm)
                          LENGTH: Fixed Length (5.8/6/11.8/12 mtr), SRL, DRL
Standard: ASTM A179, ASTM A192, ASTM A210
Ends: 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

 

SPECIFICATION OF BOILER TUBES
OD*WT OD*WT OD*WT OD*WT OD*WT OD*WT OD*WT OD*WT
14*3 38*5,5 89*5 133*18 34*5 76*6 133*7 219*7
14*3,5 42*3 89*5,5 159*6 34*6,5 76*7 133*8 219*8
14*4 42*3,5 89*6 159*6,5 38*3 76*8 133*10 219*9
16*3 42*4 89*7 159*7 38*3,5 76*9 133*12 219*10
18*2 42*5 89*7,5 159*8 38*4 76*10 133*13 219*12
18*3 42*6 89*8 159*9,5 38*4,5 89*4 133*14 219*13
18*4 42*8 89*9 159*10 38*5 89*4,5 133*16 219*14
18*5 45*3 89*10 159*12 219*16 273*36 356*28 426*12
19*2 45*4 89*11 159*14 219*18 273*40 356*36 426*13
21*4 45*5 89*12 159*16 219*20 273*42 377*9 426*14
22*2,5 45*6 108*4,5 159*18 219*22 273*45 377*10 426*17
22*3 45*7 108*5 159*20 219*24 298,5*36 377*12 426*20
22*4 48*4 108*6 159*28 219*25 325*8 377*14 426*22
22*5 48*4,5 108*7 168*6 219*26 325*9 377*15 426*30
25*2,5 48*5 108*8 168*7 219*28 325*10 377*16 426*36
25*3 48*6 108*9 168*8 219*30 325*11 377*18 426*40
25*4 48*7 108*10 168*9,5 219*32 325*12 377*20 426*50
25*5 48,3*12,5 108*12 168*10 219*35 325*13 377*22 457*9,5
25*5,5 51*3 108*14 168*11 219*38 325*14 377*25 457*14
27*3,5 51*3,5 108*15 168*12 273*7 325*15 377*32 457*16
27*4 51*4 108*16 168*14 273*8 325*16 377*36 457*19
27*5 51*5 108*20 168*15 273*9 325*17 377*40 457*24
27*5,5 51*6 114*5 168*16 273*9,5 325*18 377*45 457*65
28*2,5 57*4 114*6 168*18 273*10 325*20 377*50 508*13
28*3 57*5 114*7 168*20 273*11 325*22 406*9,5 508*16
28*3,5 57*5,5 114*8 168*22 273*12 325*23 406*11 508*20
28*4 57*6 114*8,5 168*25 273*13 325*25 406*13 508*22
30*2,5 60*4 114*9 168*28 273*15 325*28 406*17 558,8*14
32*2,5 60*4 114*10 180*10 273*16 325*30 406*22 530*13
32*3 60*5 114*11 194*10 273*18 325*32 406*32 530*20
32*3,5 60*6 114*12 194*12 273*20 325*36 406*36 570*12,5
32*4 60*7 114*13 194*14 273*22 325*40 406*40 610*13
32*4,5 60*8 114*14 194*16 273*25 325*45 406*55 610*18
32*5 60*9 114*16 194*18 273*28 356*9,5 406,4*50 610*78
34*3 60*10 114*18 194*20 273*30 356*12 406,4*55 624*14,2
34*4 76*4,5 133*5 194*26 273*32 356*15 406*60 824*16,5
34*4,5 76*5 133*6 219*6,5 273*35 356*19

Technical data

Tolerance

Standard Out Diameter Tolerance
GB3087 ≤180 ±1.0%(min: ±0.5mm)
GB5310 ≤50 ±0.5mm
>50 ±1.0%
Standard Wall Thickness(mm) Tolerance
GB3087 3-20 +15%,12.5%
>20 ±12.5%
GB5310 <3.5 +15%,-10%
3.5-20 +15%,-10%
>20 ±10%

Chemical Composition & Mechanical Properties

Standard Grade Chemical composition(%) Mechanical properties
C Si Mn P S Tensile Strength(Mpa) Yield Strength(Mpa) Elongation(%)
DIN17175 St35.8 ≤0.17 0.10-0.35 0.40-0.80 ≤0.030 ≤0.030 360-480 ≥235 ≥25
St45.8 ≤0.21 0.10-0.35 0.40-1.20 ≤0.030 ≤0.030 410-530 ≥255 ≥21

 

Packing and shipping

 

Packing (1) Waterproof Packing with Wooden Pallet
(2) Waterproof Packing with Steel Pallet
(3) Seaworthy Packing(waterproof packing with steel strip inside, then packed with steel sheet with steel pallet)
Loading By Containers or Bulk Vessel

 

We own professional logistics shipment, in terms of transport efficiency and quality to provide customers with convenience, cost reduction, value-added services; In the prevention of bumps, scratches, pits, flattening, pipe deformation, rain and other aspects of the transportation process, we have established standardized operations and strict implementation to ensure that the quality of products in the storage and transportation process is effectively guaranteed.

 

Factory

Our company have two advanced GI / GL production lines and 3 PPGI/PPGL production lines ,mainly produce galvanized and prepainted galvanized steel coils between [0.135-2.0]mm*[600-1250]mm Zinc coating:40-275gsm, Alu-Zinc coating:40-275gsm,and we can also produce all kinds of crc,gi,gl,ppgi,ppgl ,corrugated steel sheet ,roofing tiles.

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Customer Visit

The company will continue to adhere to the concept of "integrity, innovation, dedication, win-win" and the core values of "sincerity and perfection, truly accumulate wealth, survive by excellence, and develop by innovation".

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Certificate

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Application

By improving technology, management, service and brand, we will work together and move forward to create more value for society, develop together with our customers, and contribute to society!

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FAQ

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Q1:Can you send samples?


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A:Of course, we can provide customers with free samples and express shipping service to all over of the world.

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Q2:What product information do I need to provide?


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A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.

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Q3:It's my first time to import steel products, can you help me with it?


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A:Sure,we have agent to arrange the shipment, we will do it together with you.

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Q4:What about product prices information?


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A:Prices various according to periodic price changes of raw materials.

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Q5:What ports of shipment are there?


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A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.

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Q6:What is your terms of payment ?


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A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.

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