NK A690 steel,NK grade A690,A690 plate
NK A690 is applied to extra high strength steels, which is defined as steel with specified min yield stress of 420Mpa. The max yield is 690Mpa
BEBON steel can supply NK A690 steel specification and price ,we are NK A690 steel suppliers and manufacturer ,if you need NK A690 steel exporter ,please contact us
NK A690 Chemical composition
| Element |
NK A690 Max % |
Element |
NK A690 max % |
|
C |
0.21 |
Ni |
2.0 |
|
Mn |
1.70 |
Mo |
1.0 |
|
Si |
0.10-0.55 |
Al |
0.015 min |
|
S |
0.035 |
Nb |
0.06 |
|
P |
0.035 |
V |
0.10 |
|
Cu |
1.5 |
Ti |
0.20 |
|
Cr |
2.0 |
N |
0.020 |
Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
0 degree |
|||||
|
NK A690 |
8-260 |
690 |
770-940 |
14 |
46J |
If you need NK A690 steel,NK grade A690,NK A690 plate, please feel free to contact us soon to get a competitive price.
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