Gnee Steel (Tianjin) Co., Ltd. is one of the most professional q620d hot rolled bar manufacturers and suppliers in China, also supports customized service. If you're going to buy q620d hot rolled bar made in China, welcome to get free sample from our factory. Quality products and low price are available.
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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