Material: Q620D
GB/T16270: high strength structural steel
GB/T16270 Q620D material is a high strength structural steel plates. Q620 steel has four steel quality grades: C, D, E, F. Q620D steel plates are delivered in the quenched and tempered condition.
GB/T16270 Q620D chemical composition
|
Grade |
C |
Si |
Mn |
P |
S |
Cu |
Cr |
|
Q620D |
≤0.20 |
≤0.80 |
≤1.70 |
0.025 |
0.015 |
0.50 |
1.50 |
|
Ni |
Mo |
B |
V |
Nb |
Ti |
- |
|
2.00 |
0.70 |
0.005 |
0.12 |
0.06 |
0.05 |
- |
GB/T16270 Q620D mechanical properties
|
Grade |
Thickness |
Yield strength |
Tensile strength |
Elongation |
Impacting Test |
|
Temperature |
V |
|
Q620D |
≤50 |
620 |
700-890 |
15 |
-20 |
47 |
|
50-100 |
580 |
700-890 |
|
100-150 |
560 |
650-830 |
Technical Requirements & Additional Services:
Low temperature impacting test
Cutting and welding as per end user’s demands
More striction on some chemical elements contains
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
Katalor is a GB/T16270 Q620D steel plates supplier and exporter, producing various sizes of Q620D steel plates with competitive price. If you are interested in GB/T16270 Q620D steel plates, and ask for the Q620D steel quotation, pls send email to us [email protected].
