GB/T 714-2008 Q420qC bridge steel
GB/T 714-2008 Q420qC material is a Chinese steel grade bridge steel. We can supply Q420qC bridge steel plates and sheets with thickness up to 100mm.
Q420qC steel propertiesGB/T 714 Q420qC steel has high strength, toughness and withstands the load and impact of locomotives, and must have good fatigue resistance, certain low temperature toughness and atmo
SPHEric corrosion resistance. Low notch sensitivity.
Standard: GB/T 714-2008
Grades: Q420qC, Q420qD, Q420qE
Chemical composition (%) for GB/T 714 Q420qC steel
Grades |
C |
Si |
Mn |
P |
S |
Nb |
V |
Ti |
Cr |
Ni |
Cu |
Mo |
B |
N |
Als |
Q420qC |
≤0.18 |
≤0.55 |
1.00-1.70 |
≤0.030 |
≤0.025 |
≤0.06 |
≤0.08 |
≤0.03 |
≤0.80 |
≤0.70 |
≤0.55 |
≤0.35 |
≤0.004 |
≤0.012 |
≥0.015 |
Mechanical properties for Q420qC steel
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 |
Q420qC |
420 |
410 |
540 |
19 |
0 |
47 |
Q420q plates are delivered in hot rolled, controlled rolled, normalized or normalized rolled condition. We can supply Q420qC, Q420qD steel sheets, Q420qE steel plate with thickness up to 100mm. Welcome to contact us email
[email protected] if you are interested in our Q420q bridge steel plate.
Pre: What is the application field of Q355GNH plate?
Next: Q420q material