Q500qD, Q500qE bridge plate steel
Q500qD and Q500qE bridge plate steel is under Standard GB/T 714-2008.
GB/T 714 Q500qD, Q500qE steel has high strength, toughness and withstands the load and impact of locomotives, and must have good fatigue resistance, certain low temperature toughness and atmoSPHEric corrosion resistance. Low notch sensitivity.
Standard: GB/T 714-2008
Grades: Q500qD, Q500qE
Application:structural steel for bridges
Chemical composition for GB/T 714 Q500qD/E steel
Grades |
C |
Si |
Mn |
P |
S |
Nb |
V |
Ti |
Cr |
Ni |
Cu |
Mo |
N |
Als |
B |
|
Q500qD |
≤0.18 |
≤0.55 |
1.00-1.70 |
≤0.025 |
≤0.015 |
≤0.06 |
≤0.08 |
≤0.03 |
≤0.80 |
≤1.00 |
≤0.55 |
≤0.40 |
≤0.012 |
≤0.015 |
≤ 0.004 |
|
Q500qE |
≤0.18 |
≤0.55 |
1.00-1.70 |
≤0.020 |
≤0.010 |
≤0.06 |
≤0.08 |
≤0.03 |
≤0.80 |
≤1.00 |
≤0.55 |
≤0.40 |
≤0.012 |
≤0.015 |
≤ 0.004 |
Mechanical properties for Q500qD, Q500qEsteel
Grades |
Yield strength(MPa) min for Thickness in mm |
Tensile strength min. |
Elongation |
V-type impact test |
||
|
≤50 |
>50≤100 |
Mpa |
% min |
Test temperature ℃ |
Impact absorption energy KV₂/J |
|
|
Q500qD |
500 |
480 |
600 |
16 |
-20 |
47 |
|
Q500qE |
500 |
480 |
600 |
16 |
-40 |
47 |
Q500qD, Q500qE steel technical requirements:
When the steel plate is required to have thickness direction performance, the symbols Z15, Z25, and Z35 representing the thickness direction performance level are added to the above-mentioned grades respectively, namely Q500qDZ15, Q500qDZ25, Q500qDZ35, Q500qEZ15, Q500qEZ25, Q500qEZ35.
Q500qD, Q500qE bridge plate steel plates are delivered in hot rolled, controlled rolled, normalized or normalized rolled condition. We can supply Q500qE steel sheets, Q500qE steel plates with thickness up to 100mm. Welcome to contact us email [email protected] if you are interested in our Q500qD bridge steel plate stock and price.
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