All LR EH classes, LR Grade EH36,LR Grade EH40 and LR Grade EH32 must be done minus 40¡æ
low temperature impacting test.Some other additional requirements from customers mainly as
¢ñ.Normalized delivery condition.
¢ò.Ultrasonic test according to ASTM A435/A435M
¢ó. Z TEST,There are three grades to choose,such as Z15,Z25 and Z35.Z35 is the highest class.
For our customers¡¯ easily and clearly understanding,now we draft the below table for your check
their difference.
Property Data:
Grade |
|
LR Grade EH32 |
LR Grade EH36 |
LR Grade EH40 |
Chemical Composition % ¡Ü |
C |
0.18 |
0.18 |
0.18 |
Mn |
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 | |
P |
0.035 |
0.035 |
0.035 | |
S |
0.035 |
0.035 |
0.035 | |
Al (acid)¡Ý |
0.015 |
0.015 |
0.015 | |
Nb |
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 | |
Ti |
0.02 |
0.02 |
0.02 | |
Cu |
0.35 |
0.35 |
0.35 | |
Cr |
0.20 |
0.20 |
0.20 | |
Ni |
0.40 |
0.40 |
0.40 | |
Mo |
0.08 |
0.08 |
0.08 | |
Tensile Strength (Mpa) ¡Ý |
440-590 |
490-620 |
510-650 | |
Yield Strength (Mpa) ¡Ý |
315 |
355 |
390 | |
Mark on steel plate |
LR/EH32 |
LR/EH36 |
LR/EH40 |