boiler pipe

drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
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  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial
  • drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial

boiler pipe

Product Name Seamless Boiler Tube
Application For High-pressure Fluids Transmission (boiler, heat exchanger, condenser)
Size 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 A192   ASTM A179   ASTM A209   ASTM A210
 JIS G3461   JIS G3462    JIS3463   DIN17175    EN 10216-2
 A213 T5,T9,T11,T22,T91
Surface Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating
End Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Test Required Chemical Analysis, Mechanical Test, Visusal Inspection , Tension Test, Dimension Check, Bend Test , Flattenting Test, Impact Test, DWT Test, NDT Test, Hydrostatic Test, Hardness Test
Packing Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
  • Description
  • Specification
  • Standard
  • Process
  • Packing
Boiler tubes are seamless tubes and are made of either carbon steel or alloy steel. They are widely used in steam boilers, for power generation,
in fossil fuel plants, industrial processing plants, electric power plants, etc. Boiler tubes can either be medium-  pressure boiler pipe or high-pressure boiler pipe.

Heat treatment:
Annealed: Bright annealed,Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered

Delivery Condition: BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C)


Mill Test Certificate:
EN 10204/3.1B
We can produce all sizes of boiler tubes, according to European, Chinese, American, Japanese standard. With fast delivery time, supportive payment term.
All tubes production processes are controlled strictly, with high level of quality requirement, all tubes are inspection before delivery, and also accept third party inspection before delivery.

Size

Wall Thickness(mm)

O.D.(mm)

2

2.5

3

3.5

4

4.5

5

6

6.5-7

7.5-8

8.5-9

9.5-10

11

12

Φ25-Φ28

 

 

 

 

 

 

 

 

Φ32

 

 

 

 

 

 

 

 

Φ34-Φ36

 

 

 

 

 

 

 

 

Φ38

 

 

 

 

 

 

 

 

Φ40

 

 

 

 

 

 

 

 

 

Φ42

 

 

 

 

 

 

 

 

 

Φ45

 

 

 

 

 

 

 

 

Φ48-Φ60

 

 

 

 

 

 

 

Φ63.5

 

 

 

 

 

 

 

Φ68-Φ73

 

 

 

 

 

 

 

 

Φ76

 

 

 

 

Φ80

 

 

 

 

Φ83

 

 

 

 

Φ89

 

 

 

 

Φ95

 

 

 

 

Φ102

 

 

 

 

Φ108

 

 

 

 

Φ114

 

 

 

 

 

Φ121

 

 

 

 

 

Φ127

 

 

 

 

 

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

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