High strength hull structural CCS FH40 steel material properties

High strength hull structural CCS FH40 steel material is a kind of hot rolled high tensile strength steel. The high strength hull structural CCS FH40 steel material has yield strength of 56,500 psi (390 MPa), and ultimate tensile strength of 74,000 - 94,500 psi (510-650 MPa). High strength hull structural CCS FH40 steel material can achieve the impact toughness at Celsius degree -60°.

High strength hull structural CCS FH40 steel material properties - CCS FH40 steel material chemical composition:

C Si Mn P S Al (acid) min. Nb
0.16 0.50 0.90-1.60 0.025 0.025 0.015 0.02-0.05
V Ti Cu Cr Ni Mo N
0.03-0.10 0.02 0.35 0.20 0.80 0.08 0.009

High strength hull structural CCS FH40 steel material properties - CCS FH40 steel material mechanical properties:

Grade Yield Strength (MPa) min. Tensile Strength (MPa) Elongation min. %
CCS FH40 390 510-660 20

High strength hull structural CCS FH40 steel material is usually produced by TMCP, thermo-mechanical controlled processing. TMCP process makes effect on the mechanical properties of the high strength hull structural CCS FH40 steel material. TMCP can significantly improve the mechanical strength and impact toughness of the CCS FH40 steel material and the impact ductility was further enhanced after strain aging.

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