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Low and Medium Pressure Boiler Tube

Date:2016-11-25      Views:364Time(s)      Label:boiler tube, low pressure boiler tube, medium pressure boiler tube    

Seamless steel pipe for low and medium pressure boiler tube refers to used in low-pressure boiler (pressure is less than 2. 5MPa) and medium pressure boiler (pressure less than or equal to reach 3.9Mpa at 3 days), used in the manufacture of low and medium pressure boiler superheated steam tube, boiling water pipe, water wall tube, smoke tube and pipe arch bricks and so on, the general use of 10, 20, hot or cold rolled quality carbon structural steel. Usually need to pressure, curling, flaring, squash and other tests to ensure product quality and performance. Normally the container and steam pipelines with the operating pressure are not higher than 5.88Mpa operating temperature below 450C.


Chemical Composition (%):


Standard

Steel Code

Chemical Composition (%)

GB3087

10

0.07∼0.13

0.17∼0.37

0.38∼0.6

≤0.030

≤0.030

0.3∼0.65

20

0.17∼0.23

0.17∼0.37

0.38∼0.6

≤0.030

≤0.030

0.3∼0.65

 

Mechanical Properities:

Standard

Steel Code

Tensile Strength(MPa)

Yield Strength(MPa)

Elongation(%)

GB3087

10

335∼475

≥195

≥24

20

410-550

≥245

≥20


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