High Quality Boiler Tube From China

Boiler Tube belongs to seamless steel tube, which shares the same production technique -hot rolled or cold drawn. It can be both of carbon steel and alloy steel . 

1 High Pressure Boiler Tube

Standard

Grade

Chemical Composition(%)

Mechenical Properties

C

Si

Mn

P

S

Cr

No

V

(Mpa)Tensie strength

(Mpa)Yield strength

(%) Elongation

DIN17175       GB5310

20G

0.17- 0.24

0.17- 0.37

0.35- 0.65

≤ 0.030

≤ 0.030

/

/

/

410-550

≥245

≥24

20MoG

0.17- 0.24

0.17- 0.38

0.70- 1.00

≤ 0.030

≤ 0.030

/

/

/

≥415

≥240

≥22

15MoG

0.12- 0.20

0.17- 0.37

0.40- 0.80

≤ 0.030

≤ 0.030

/

0.25- 0.35

/

450-600

≥270

≥22

15Cr1 MoG

0.12- 0.18

0.17- 0.37

0.40- 0.70

≤ 0.030

≤ 0.030

0.80- 1.10

0.40- 0.55

/

440-640

≥235

≥21

12Cr2 MoG

0.08- 0.15

≤0.50

0.40- 0.70

≤ 0.030

≤ 0.030

2.00- 2.50

0.90- 1.20

/

450-600

≥280

≥20

12Cr1 MoVG

0.08- 0.15

0.17- 0.35

0.40- 0.70

≤ 0.030

≤ 0.030

0.90- 1.20

0.25- 0.35

0.15- 0.30

470-640

≥255

≥21

2 Low & Medium Boiler Tube

Standard

Grade

Chemical Composition(%)

Mechenical Properties

C

Si

Mn

P.S

Cr

Cu

Ni

Mo.V

(Mpa) Tensie strength

(Mpa) Yield strength

(%) Elongation

DIN17175 GB3087

10

0.07- 0.14

0.17- 0.37

0.35- 0.65

≤ 0.035

≤ 0.25

≤ 0.25

≤ 0.25

/

335- 475

≥ 195

≥ 24

20

0.07- 0.14

0.17- 0.37

0.35- 0.65

≤ 0.035

≤ 0.25

≤ 0.25

≤ 0.25

/

410- 550

≥ 245

≥ 20

3 Out Diameter: 25-820mm W.T: 2-50mm Length: 6-12m or fixed length as per required
4 End: Plain or Beveled 
5 Surface: blank or painted as per required 
6 Packing: in bundles with steel strips or in bulk 
7 Loading Port: Tianjin, China
8 Mini Order: 5tons 
9 Payment Terms: TT, LC 

Our products are very popular because of high-quality and reasonable price   we can ensure you timely delivery and the best price .If you  interested in any  jof  our products,   please feel free to contact us for more information.