boiler pipe,API Coupling,rural water,FBE Coated Pipe

boiler pipe

drill pipe,Stainless Steel Seamless Pipe,Oil Field Industrial

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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

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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)

2.5

3.5

4.5

6.5-7

7.5-8

8.5-9

9.5-10

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
GB5310	>50	±1.0%

Standard	Wall Thickness(mm)	Tolerance
GB3087	3-20	+15%,12.5%
GB3087	>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
Standard	Grade	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
DIN17175	St45.8	≤0.21	0.10-0.35	0.40-1.20	≤0.030	≤0.030	410-530	≥255	≥21