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LR AH32 material is higher-strength shipbuilding steel. LR Grade AH32 has equivalents CCS AH32, BV AH32, ABS AH32, GL-E32, NV E32, BV AH32, and RINA AH32. LR AH32 steel plates and sheets in all thicknesses shall be normalized or thermo-mechanical control processed while LR AH32 shapes and LR AH32 bars in all thicknesses shall be heat treated and rolled.
Chemical Composition (heat analysis, % max.by mass unless otherwise specified):
|
Grade |
C |
Si |
Mn |
P |
S |
Al min. |
Cr |
Mo |
Ni |
Cu |
Ti |
Cb |
V |
|
AH32 |
0.18 |
0.10/0.50 |
0.90/1.60 |
0.035 |
0.035 |
0.015 |
0.20 |
0.08 |
0.40 |
0.35 |
0.02 |
0.02/0.05 |
0.05/0.10 |
Tensile Requirements:
|
Grade |
Yield Point[Re], min |
Tensile strength[Rm] |
Elongation |
|
|
In 2 in.[50mm] |
In 8 in.[200mm] |
|||
|
ksi[MPa] |
ksi[MPa] |
min, % |
min, % |
|
|
AH32 |
46[315] |
64/85[440/590] |
22 |
19 |
LR AH32 structural steel products are available in plates, sheets, angle bars, flats, H beam, channels and bulb flats. Our Grade AH32 hot rolled shipbuilding steel is produced in accordance with the relevant Classification Society, examples of which include Lloyd's Register of Shipping, Lloyds Register and Det Norske Veritas. We can also supply bulb flats for plate stiffening, structural steel angles and inverted angles.
