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Chemical composition (%) of SMLS Steel Pipe DIN1629
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Chemical composition (%) of SMLS Steel Pipe DIN1629

Update:2018-02-11   View(s):150   Keywords :seamless steel pipe, ERW steel pipe   

Seamless steel pipe includes SMLS Steel Pipe DIN1629 which is a CS round pipe. As for this special seamless steel pipe, we can get the details for its chemical composition so that we would know which circumstance would be better for it. 


Grade

C

Si

Mn

P

S

Cr

Ni

Cu

St37.0

0.17

0.17-0.37

0.35-0.65

0.025

0.020

0.25

0.25

0.25

St44.0

0.21

0.17-0.37

0.50-0.80

0.025

0.020

0.25

0.25

0.25

St55

0.33-0.41

0.17-0.37

0.50-0.80

0.025

0.020

0.25

0.25

0.25

St52.0

0.22

0.55

1.60

0.025

0.020

0.25

0.25

0.25


We know from the list that the main difference is on the quantity of C, Si, Mn. These elements give a different style life various strength handling and pressure taking for steel pipes. We can wholesale according to the project.