Q420B Low Carbon Alloy Plate
Q420B is a Chinese low alloy high strength structural steel with a yield strength of 420MPa. The parameters are tested with a 16mm diameter steel plate, the tensile strength is 520-680Mpa, and the material density is 7.85g/cm3.
If you are satisfied with our Q420B high strength low alloy steel plate, welcome to place an order with us. As one of the best high strength steel plate manufacturers and suppliers in China, we have a large number of hot-selling products for you to choose from. For detailed chemical composition and free samples, please contact our factory immediately. We provide competitive prices and good services.
Q420B low alloy steel material chemical composition
|
Q420B high strength low alloy steel plate |
||||||
|
C |
Si |
Mn |
P |
S |
Nb |
N |
|
0.20 |
0.55 |
1.70 |
0.035 |
0.035 |
0.05 |
0.015 |
|
V |
Ti |
Cr |
Ni |
Cu |
Mo |
|
|
0.13 |
0.05 |
0.30 |
0.80 |
0.40 |
0.20 |
|
Q420B high strength low alloy steel Mechanical property
|
Q420B high strength low alloy steel sheet |
|||||||
|
|
Thickness (mm) |
||||||
|
Yield strength (≥Mpa) |
T≤16 |
16<T≤40 |
40<T≤63 |
63<T≤80 |
80<T≤100 |
100<T≤150 |
150<T |
|
420 |
410 |
390 |
370 |
370 |
350 |
350 |
|
|
Tensile strength (Mpa) |
T≤100 |
100<T |
|||||
|
520-680 |
500-650 |
||||||
Q420B high strength low alloy hSLA steel elongation
| Dia. (Ø) mm; Elongation (%) | |||||||
| Steel Grade | Sample direction | Ø≤40 | 40 < Ø ≤ 63 | 63 < Ø ≤ 100 | 100 < Ø ≤ 150 | 150 < Ø ≤ 200 | 250 < Ø ≤ 400 |
| Q420B | Horizontal | 20 | 19 | 19 | 18 | – | – |
| Vertical | 21 | 20 | 20 | 19 | – | – | |
high strength alloy steel Products image



GNEE group team photo

GNEE group customer visit



GNEE Group steel exhibition



We have excellent after-sales service. If you have any questions about Q420B Low Carbon Alloy Plate, you can contact us and we will reply you within two hours.
Hot Tags: q420b low carbon alloy plate, China q420b low carbon alloy plate manufacturers, suppliers, factory, GB T 1591Low Alloy Steel Plate, 22SiMn2 Low Alloy Steel Material, Hsla Steel Sheet, low alloy steel sheet, High Strength Low Alloy Steel, 20Mn2 High Strength Structural Steel








