Accreditation Administration System:
KR Grade A,KR Grade B,KR Grade D and KR grade E steel plate for shipbuilding maninly
demands from shipyards in South Korea where have the most shipbuilders and ship repairs.
With the minimum yield strength at 235Mpa.And our mill can roll the maximum thickness for
these steel plates shall be 300mm and also can guarantee the property of steel.Now Yusheng
Iron and Steel Co.,Ltd give customers the deatails of comparasion among Kr Grade A,Grade B,
Kr Grade D and E.
Property Data:
|
KR | |||||
|
Grade |
|
KR Grade A |
KR Grade B |
KR Grade D |
KR Grade E |
|
Chemical Composition % ≤ |
C |
0.21 |
0.21 |
0.21 |
0.18 |
|
Mn(≥) |
2.5*C |
0.80 |
0.60 |
0.70 | |
|
P |
0.035 |
0.035 |
0.035 |
0.035 | |
|
S |
0.035 |
0.035 |
0.035 |
0.035 | |
|
Si |
0.50 |
0.35 |
0.10- 0.35 |
0.10- 0.35 | |
|
Al (acid) |
0.035 |
0.035 |
0.035 |
0.035 | |
|
Yield Strength (Mpa) |
235 |
235 |
235 |
235 | |
|
Tensile Strength (Mpa) |
400-520 |
400-520 |
400-520 |
400-520 | |
|
Impacting Test temperature (℃) |
20 |
0 |
-20 |
-40 | |
|
Mark |
KR/A |
KR/B |
KR/D |
KR/E | |
H:Heat Analysis. P:Product Analysis
