Technical conditions for plates of ABS EQ56-Z35

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Posted On

4-Dec-13

Product Details

Table 1 Chemical composition (Ladle analysis)
C Si Mn P S N
Max 0.20 Max 0.50 max 1.70 Max 0.030 Max 0.030 Max 0.02
Note: Per batch furnace number product analysis [N]<200ppm.

3.2 Steel making process: EAF+LF/VD

3.3 Tensile properties
The tensile properties of EQ56-Z35 shall meet the requirement as table 2.
Table 2 Tensile properties
Grade Direction Yield strength MPa Tensile strength MPa Elongation %
AB/EQ56(Z35) Transverse Min 550 670-835 Min 16

3.4 Impact properties
Impact test in the longitudinal and transverse for plates of EQ56-Z35 shall meet the requirements per table 3.
Table 3 Impact properties
Sampling place Test direction -40C Akv Average impact energy
-40C EN10164 Z %
Transverse Min 37J Min 35

3.5 Grain size
Grain size for plates shall be according to ABS rules.
3.6 Surface quality
The surface quality of plates shall be accordance with ABS rules
3.7 Ultrasonic inspection
Plates shall be ultrasonic inspected per ASTM A578/A578M level C.

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