ABS FQ70 steel plate is a high-strength structural steel plate that meets the standards set by the American Bureau of Shipping (ABS). It is specifically designed for use in offshore and marine applications that require exceptional strength and toughness.
The "FQ70" designation indicates a minimum yield strength of 690 megapascals (MPa), emphasizing its remarkable resistance to deformation under heavy loads. ABS FQ70 steel plate offers excellent weldability and formability, enabling efficient fabrication and construction processes. It finds widespread application in the construction of offshore drilling rigs, platforms, and other critical marine structures, where superior strength, durability, and resistance to harsh operating conditions are paramount.
ABS FQ70 Extra high Strength Chemical Composition in Tempering and Quenching | ||||||
Grade | The Element Max (%) | |||||
C | Si | Mn | P | S | N | |
ABS FQ70 | 0.18 | 0.55 | 1.60 | 0.025 | 0.025 | 0.02 |
Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
ABS FQ70 Extra high strength property in tempering and quenching | ||||||
Grade | Mechanical Property | Charpy V Impact Test | ||||
Yield | Tensile | Elongation | Degree | Energy 1 | Energy 2 | |
Min Mpa | Mpa | Min % | -60 | J | J | |
ABS FQ70 | 690 | 770-940 | 14 | 41 | 62 | |
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal | ||||||
Other Name
ABS Grade FQ70 Shipbuilding steel plate,ABS Grade FQ70 Ship Steel plate ,ABS Grade FQ70 Marine Steel plate , ABS Grade FQ70 Steel Plate .
Additional Condition
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
