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Boiler Tube / High pressure boiler tube 20G、20MnG、25MnG

 
Use:
①General boiler tubes are mainly used to manufacture water wall tubes, boiling water tubes, superheated steam tubes, superheated steam tubes for locomotive boilers, large and small smoke tubes and arch brick tubes, etc.
②High-pressure boiler tubes are mainly used to manufacture superheater tubes, reheater tubes, gas guide tubes, main steam tubes, etc. of high-pressure and ultra-high-pressure boilers.
 
Contract US
Email: sales@shanqisteel.com

 
Availability:

Product Description

Specifications and appearance quality

(1) GB3087-82 "Seamless Steel Tubes for Low and Medium Pressure Boilers" stipulates. There are 43 types of steel pipes for various structural boilers, with an outer diameter of 10 to 426 mm. There are a total of 29 types of wall thicknesses from 1.5 to 26 mm. However, the outer diameter and wall thickness of superheated steam pipes, large smoke pipes, small smoke pipes and arch brick pipes for locomotive boilers are otherwise specified.

(2) GB5310-95 "Seamless Steel Tubes for High Pressure Boilers" has an outer diameter of 22-530mm and a wall thickness of 20-70mm. The outer diameter of the cold drawn (cold rolled) tube is 10-108mm, and the wall thickness is 2.0-13.0mm.

(3) The chemical composition inspection of boiler steel pipes produced by Shanqi Iron & Steel shall be carried out according to the relevant standards stipulated in the contract.

Boiler steel pipe adopts steel grade

High-quality carbon structural steel grades are 20G, 20MnG, and 25MnG.


Boiler Tube Spec Sheet

Specification

Specification

Specification

Specification

14*3

38*5.5

89*5

133*18

14*3.5

42*3

89*5.5

159*6

14*4

42*3.5

89*6

159*6.5

16*3

42*4

89*7

159*7

18*2

42*5

89*7.5

159*8

18*3

42*6

89*8

159*9.5

18*4

42*8

89*9

159*10

18*5

45*3

89*10

159*12

19*2

45*4

89*11

159*14

21*4

45*5

89*12

159*16

22*2.5

45*6

108*4.5

159*18

22*3

45*7

108*5

159*20

22*4

48*4

108*6

159*28

22*5

48*4.5

108*7

168*6

25*2.5

48*5

108*8

168*7

25*3

48*6

108*9

168*8

25*4

48*7

108*10

168*9.5

25*5

48.3*12.5

108*12

168*10

25*5.5

51*3

108*14

168*11

27*3.5

51*3.5

108*15

168*12

27*4

51*4

108*16

168*14

27*5

51*5

108*20

168*15

27*5.5

51*6

114*5

168*16

28*2.5

57*4

114*6

168*18

28*3

57*5

114*7

168*20

28*3.5

57*5.5

114*8

168*22

28*4

57*6

114*8.5

168*25

30*2.5

60*4

114*9

168*28

32*2.5

60*4

114*10

180*10

32*3

60*5

114*11

194*10

32*3.5

60*6

114*12

194*12

32*4

60*7

114*13

194*14

32*4.5

60*8

114*14

194*16

32*5

60*9

114*16

194*18

34*3

60*10

114*18

194*20

34*4

76*4.5

133*5

194*26

34*4.5

76*5

133*6

219*6.5

34*5

76*6

133*7

219*7

34*6.5

76*7

133*8

219*8

38*3

76*8

133*10

219*9

38*3.5

76*9

133*12

219*10

38*4

76*10

133*13

219*12

38*4.5

89*4

133*14

219*13

38*5

89*4.5

133*16

219*14

219*16

273*36

356*28

426*12

219*18

273*40

356*36

426*13

219*20

273*42

377*9

426*14

219*22

273*45

377*10

426*17

219*24

298.5*36

377*12

426*20

219*25

325*8

377*14

426*22

219*26

325*9

377*15

426*30

219*28

325*10

377*16

426*36

219*30

325*11

377*18

426*40

219*32

325*12

377*20

426*50

219*35

325*13

377*22

457*9.5

219*38

325*14

377*25

457*14

273*7

325*15

377*32

457*16

273*8

325*16

377*36

457*19

273*9

325*17

377*40

457*24

273*9.5

325*18

377*45

457*65

273*10

325*20

377*50

508*13

273*11

325*22

406*9.5

508*16

273*12

325*23

406*11

508*20

273*13

325*25

406*13

508*22

273*15

325*28

406*17

558.8*14

273*16

325*30

406*22

530*13

273*18

325*32

406*32

530*20

273*20

325*36

406*36

570*12.5

273*22

325*40

406*40

610*13

273*25

325*45

406*55

610*18

273*28

356*9.5

406.4*50

610*78

273*30

356*12

406.4*55

624*14.2

273*32

356*15

406*60

824*16.5

273*35

356*19



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FAQ:

Q: What kind of work does your company do?

A: We are a business steel industry and trade.We mainly produces carbon steel plate/pipe/coil/bars, etc.


Q: What are the advantages of your company?

A: (1): Prime quality and Competitive price.

     (2): Excellent experiences with after-sale service.

     (3): Every process will be checked by responsible QC which insures every product's quality.

     (4): Professional packing teams which keep every packing safely.

     (5): Samples can be provided as your requirements.


Q: What is your terms of payment ?

A: Can be negotiated by both parties. If you have another question, pls feel free to contact us as below.


Q: What about your price?

A: Our price is very competitive.

    Pls feel free to contact us if you are interested in our products.


Q: How long is your delivery time?

A: Different products have different delivery time. The products will be delivered as soon as possible on the basis of the quality assurance. Usually the delivery time is within 5-15 days after we received your balance.

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