DIN1629/EN10216-1
Seamless steel tubes for pressure purposes
Application: it is used for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.
DIN1629: St37.0/St37.5 and St52.0/St52.3
EN10216-1: P195TR1 P235TR1 P265TR1
Grade, chemical composition and mechanical properties
|
Standard |
Grade |
Chemical Composition |
Mechanical properties | |||||||
|
C |
Si |
Mn |
P |
S |
Cr |
TP(Mpa) |
YP(Mpa) |
E (%) | ||
|
DIN1629 |
St37/St37.5 |
≤0.17 |
/ |
/ |
≤0.04 |
≤0.04 |
/ |
350~480 |
≥235 |
≥25 |
|
St52/St52.3 |
≤0.22 |
≤0.55 |
≤0.17 |
≤0.04 |
≤0.04 |
/ |
500~560 |
≥270 |
≥21 | |
Grade, chemical composition
|
Standard |
Grade |
Chemical composition |
| ||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|||
|
EN10216-1 |
P195TR1 |
≤0.13 |
≤0.35 |
≤0.70 |
≤0.025 |
≤0.02 |
≤0.30 |
≤0.08 |
|
|
P235TR1 |
≤0.16 |
≤0.35 |
≤1.20 |
≤0.025 |
≤0.020 |
≤0.30 |
≤0.08 |
||
|
P265TR1 |
≤0.20 |
0.40 |
1.40 |
≤0.025 |
≤0.20 |
≤0.30 |
≤0.08 |
||
Grade and Mechanical Properties
|
Standard |
Grade |
Mchenical properties | |||
|
Tensile Point (Mpa) |
Yield Point(Mpa) |
Elongation(%) | |||
|
L |
T | ||||
|
EN10216-1 |
P195TR1 |
320~440 |
≥195 |
≥27 |
≥25 |
|
P235TR1 |
360~500 |
≥235 |
≥25 |
≥23 | |
|
P265TR1 |
410~570 |
≥265 |
≥21 |
≥19 | |