TMCP heat treatment KR Grade AH36,KR Grade DH36,KR Grade EH36 and KR Grade FH36 shipbuilding
steel plate mainly done Z15,Z25 and Z35 test for providing its property in steel plates.Other ralative grades are KR
Grade A,KR Grade B,kr Grade D,kr Grade E,KR Grade AH32,KR Grade DH32,KR Grade EH32,KR Grade FH32,
KR Grade AH40,KR Grade DH40,KR Grade EH40,KR Grade FH40.For the details of these steel grades are in the
following comparasion table:
Property Data:
Grade |
|
KR Grade AH36 |
KR Grade DH36 |
KR Grade EH36 |
KR Grade FH36 |
Chemical Composition % ¡Ü |
C |
0.18 |
0.18 |
0.18 |
0.16 |
Mn |
0.90-1.60 |
0.90-1.60 |
0.90-1.60 |
0.90-1.60 | |
Si |
0.10-0.50 |
0.10-0.50 |
0.10-0.50 |
0.10-0.50 | |
P |
0.035 |
0.035 |
0.035 |
0.025 | |
S |
0.035 |
0.035 |
0.035 |
0.025 | |
Al (acid) ¡Ý |
0.015 |
0.015 |
0.015 |
0.015 | |
Nb |
0.02-0.05 |
0.02-0.05 |
0.02-0.05 |
0.02-0.05 | |
V |
0.05-0.10 |
0.05-0.10 |
0.05-0.10 |
0.05-0.10 | |
Ti |
0.02 |
0.02 |
0.02 |
0.02 | |
Cu |
0.35 |
0.35 |
0.35 |
0.35 | |
Cr |
0.20 |
0.20 |
0.20 |
0.20 | |
Ni |
0.40 |
0.40 |
0.40 |
0.80 | |
Mo |
0.08 |
0.08 |
0.08 |
0.08 | |
N |
|
|
|
0.009 | |
Tensile Strength (Mpa) ¡Ý |
490-620 |
490-620 |
490-620 |
490-620 | |
Yield Strength (Mpa) ¡Ý |
355 |
355 |
355 |
355 | |
Mark on steel plate |
KR/AH36 |
KR/DH36 |
KR/EH36 |
KR/FH36 |