From heavy transporters, to steel structures and mobile cranes, our GBT16270 Q690D carbon structural steel plate high yield steels are designed to work under incredible load stresses. Aalso supplied as special offshore grades.
GB/T16270 Q690D High strength welded structural steel plate Chemical compositionMax %:
C |
Si |
Mn |
P |
S |
Nb |
V |
Ti |
|
0.18 |
0.60 |
2.00 |
0.030 |
0.025 |
0.11 |
0.12 |
0.20 |
|
Cr |
Ni |
Cu |
N |
Mo |
B |
Als min |
|
|
1.00 |
0.80 |
0.80 |
0.015 |
0.30 |
0.004 |
0.015 |
|
GB/T16270 Q690D steel plate Yield strength:
Nominal thickness (mm) |
To 16 |
16-40 |
40-63 |
63-80 |
80-100 |
100-150 |
150-200 |
200-250 |
250-400 |
|
ReH - Minimum yield strength (MPa) |
690 |
670 |
660 |
640 |
- |
- |
- |
- |
- |
GB/T16270 Q690D steel plate Tensile Strength:
Nominal thickness (mm) |
To 40 |
40-63 |
63-80 |
80-100 |
100-150 |
150-250 |
250-400 |
|
ReH - Minimum yield strength (MPa) |
770-940 |
750-920 |
730-900 |
- |
- |
- |
- |
GB/T16270 Q690D steel plate Impact Test degree and energy:
GB/T16270 Q690D |
Min Energy Nominal thickness |
|
Temperature ℃ |
-20 |
|
Thickness (mm) |
12-150 |
150-250 |
250-400 |
|
Notch impact test. Min. absorbed energy |
47 |
- |
- |
Q690 steel and Q690M material is a Chinese GB standard high strength low alloy structural steel, and devides into 3 quality grades: Q690C, Q690D and Q690E, “Q” means Yield Strength, “690” refers to 690 Mpa, Tensile Strength is 770-940 Mpa, “M” is short for “TMCP” (Thermal Mechanical Control Processing), for data sheet and specification, please refer to the following tables.
Steel plates made from GBT16270 Q690D carbon structural steel platel has high yield strength and tensile strength and is widely used in coal mine machinery and engineering machinery, such as hydraulic support, port cranes, flatbed trucks and so on.
