St52-3 steel plate, under DIN17100 standard St52-3 steel plate, under DIN17100 standard, we can regard St52-3 steel plate as low alloy steel St52-3 steel plate is one mainly of low alloy steel.
ST52-3 steels is a low alloy high strength structural steel which can be readily welded to other weldable steel. ST52-3 steel’s Mechanical properties is Yield strength more than 355 MPa, tensile strength 490-630Mpa.
Steel plate St52-3 is most normal used among all kinds of low alloy steel grades.It is equal to Chinese steel grade Q345B, low alloy high strength steel plate. Low alloy steel plate St52-3 is used to manufacture the plants of factory, the common constructor and construction machinery and equipment. The additional technical requirements for structural steel plate St52-3 shall be Ultrasonic examination, heat treatment, low temperature impacting,shot blasting and painting for prevent rusty when transport.
Application:DIN17100 St52-3 Steel Plates are used in Construction of Bridges, Highway Construction and Other Engineering construction.
Mechanical property for St52-3 Low alloy steel:
|
Thickness (mm) |
|||||
|
St52-3 |
≤ 16 |
> 16 ≤ 40 |
> 40 ≤ 63 |
> 63 ≤ 80 |
> 80 |
|
Yield strength (≥Mpa) |
355 |
345 |
335 |
325 |
315 |
|
|
< 3 |
≥ 3 ≤ 100 |
> 100 |
||
|
Tensile strength (Mpa) |
510-680 |
490-630 |
490-630 |
||
Chemical composition for St52-3 Low alloy steel (Product Analysis Max%)
|
Main chemical elements composition of St52-3 |
||||||
|
Thickness(mm) |
C |
Si |
Mn |
P |
S |
N |
|
T≤30 |
0.22 |
0.60 |
1.70 |
0.050 |
0.060 |
- |
|
T>30 |
0.24 |
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