KR A550 steel,KR grade A550,A550 plate
KR A550 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 KR grade A550 steel specification and price ,we are KR A550 steel suppliers and manufacturer ,if you need KR A550 steel exporter ,please contact us
KR A550 Chemical composition heat analysis
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
KR A550 |
0.21 |
0.10-0.55 |
1.7 |
0.035 |
0.035 |
0.015-0.08 |
0.020 |
|
Nb |
V |
Ti |
Cu |
B |
Ni |
Mo |
|
|
0.02-0.05 |
0.04-0.10 |
0.02 |
0.005 |
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Grade |
Mechanical Property |
Charpy V Impact Test |
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|
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
KR A550 |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
|
t≤50 |
550 |
670-830 |
16% |
37 |
55 |
||
|
50＜t≤70 |
550 |
670-830 |
16% |
37 |
55 |
||
|
70＜t≤150 |
550 |
670-830 |
16% |
37 |
55 |
||
|
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
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If you need KR A550 steel,KR grade A550,KR A550 plate, please feel free to contact us soon to get a competitive price.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
