GB/T16270 Q620D Carbon and Low-alloy High-strength Steel Coil
GB/T16270 Q620D Carbon and Low-alloy High-strength Steel Coil Chemical Composition and Mechanical Property
|
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 |
|
|
||
GB/T16270 Q620D Carbon and Low-alloy High-strength Steel Coil Application
GB/T16270 Q620D carbon steel coil is used in the Construction of Bridges, Highway Construction and Other Engineering construction.
GB/T16270 Q620D Carbon and Low-alloy High-strength Steel Coil Other Name
GB/T16270 Q620D structural steel, Q620D carbon steel coil, Q620D structural steel coil
Additional Condition
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
Other Terms
Packaging Details: Standard export seaworthy packing or as required.
Delivery Time: 30-50 days, 7 days for stock goods.
Loading Port: Shanghai ,Tianjin, Qingdao.
Offer Ability:5 000MT/Per Month.
MOQ: 1 Pcs.
Delivery Time: 30-50 days, 7 days for stock goods.
Loading Port: Shanghai ,Tianjin, Qingdao.
Offer Ability:5 000MT/Per Month.
MOQ: 1 Pcs.
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