Dalian Jiajia Shipping Technology Co., Ltd.
Main products:Generator Set,Piston Ring,Cylinder Liner,Nozzle,Plunger
Products
Contact Us
  • Contact Person : Mr. Xu Zongxue
  • Company Name : Dalian Jiajia Shipping Technology Co., Ltd.
  • Tel : 86-0411-83761955
  • Fax : 86-0411-83760855
  • Address : Liaoning,Dalian,Room 301 No. 25-1 Shuangxing Street, Xigang District, Dalian, China
  • Country/Region : China
  • Zip : 116011

Low/Medium-pressure boilers seamless steel tube

Low/Medium-pressure boilers seamless steel tube
Product Detailed
Seamless steel tube 1. standard of GB3087-1999 2. Grade of 10 and 20 3. specification of 12-530*2-40

             our seamless steel tubes/pipes are made into

       ♥superheated steam pipe,

       ♥boiling water pipe for kinds of low & medium pressure boiler;

       ♥flue tube,

       ♥arch tube for locomotive boiler.  

Mechanical properties:

Standard

Grade

Tensile strength   (MPa)

Yield strength (MPa)

Elongation (%)

GB3087

10

335-475

≥195

≥24

20

410-550

≥245

≥20

Chemical composition:

Standard

Grade

Chemical composition (%)

C

Si

Mn

P

S

Cr

Cu

Ni

GB3087

10

0.07-0.14

0.17-0.37

0.35-0.65

≤0.035

≤0.035

≤0.15

≤0.25

≤0.25

20

0.17-0.24

0.17-0.37

0.35-0.65

≤0.035

≤0.035

≤0.25

≤0.25

≤0.25

 

Low/Medium-pressure boilers seamless steel tube



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