Q620D Hot Rolled Bar
Round Stock Metal Products Description
Q620D round bar implementation standards: GB/T1591 special technical conditions, GB/T16270 special technical conditions.
Q620D round stock steel brand meaning: "Q" means yield point, "620" means the yield point value in MPa, and "D" means the level is -20℃ impact.
Q620D solid round bar has excellent tensile strength and yield strength, which can meet the needs of high-strength structural parts. Q620D round metal rod can maintain good toughness and is not easy to break when impacted or bent.
Q620D Hot Rolled Bar Products Details
|
Grade |
Chemical requirement or element Max % |
||||||||||||
|
|
C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
Mo |
B |
V |
Nb |
Ti |
|
Q620D |
0.2 |
0.8 |
1.7 |
0.025 |
0.015 |
0.5 |
1.5 |
2 |
0.7 |
0.005 |
0.12 |
0.06 |
0.05 |
|
Grade |
Property |
Impact test |
|||||||||
|
Q620D |
Yield Mpa Min |
Tensile Mpa |
Elongation |
Min J |
|||||||
|
Thickness mm |
Thickness mm |
Degree |
|||||||||
|
50 |
50-100 |
100-150 |
50 |
50-100 |
100-150 |
% |
0 |
-20 |
-40 |
-60 |
|
|
620 |
580 |
560 |
700-890 |
650-830 |
15 |
|
47 |
|
|
||
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