Q460MC material is a Chinese low-alloy high-strength steel grade under GB/T1591-2018 standard. It is used as high-strength steel structural parts for engineering and general structures that require low-temperature impact performance.
Chemical composition of Q460MC steel
C |
Si |
Mn |
P |
S |
Nb |
V |
Ti |
Cr |
Ni |
Cu |
Mo |
N |
Als |
|
≤0.16 |
≤0.60 |
≤1.70 |
≤0.030 |
≤0.030 |
0.01-0.05 |
0.01-0.12 |
0.006-0.050 |
≤0.30 |
≤0.80 |
≤0.40 |
≤0.20 |
≤0.015 |
≥0.015 |
Mechanical properties of Q460MC steel
Grade |
Thickness, mm |
Yield strength, MPa |
Strength strength, MPa |
Elongation, A% |
|
Q460MC |
≤16 |
≥460 |
540-720 |
≥17 |
|
16-40 |
≥440 |
|
40-63 |
≥430 |
530-710 |
|
63-80 |
≥410 |
510-690 |
|
80-100 |
≥400 |
500-680 |
|
100-120 |
≥385 |
490-660 |
Q460MC low alloy steel plates are mainly used to manufacture bridges, ships, vehicles, boilers, high-pressure vessels, oil and gas pipelines, large steel structures, etc.
