Technical conditions for plates of ESR NV E36-Z35

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Posted On

4-Dec-13

Product Details

ordance with the following table 1.
Table 1 Chemical composition (Ladle analysis)
C Si Mn P S Cr Ni Mo Cu TAL Nb V Ti
Max 0.18 Max 0.50 0.90- 1.60 Max 0.035 Max 0.005 Max 0.20 Max 0.40 Max 0.08 Max 0.35 Max 0.020 Max 0.05 Max 0.10 Max 0.02

3.2 Carbon equivalent (CEq)
Carbon equivalent shall be not more than 0.43 for plates of E36-Z35 thickness 101-150mm;
Carbon equivalent shall be not more than 0.45 for plates of E36-Z35 thickness 151-300mm;
Carbon equivalent shall be calculated as follows:
CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)

3.3 Steel making process: EAF+LF/VD+ESR
3.4 Tensile properties
The tensile properties of E36-Z35 shall meet the requirement as table 2.
Table 2 Tensile properties
Thickness mm Direction Yield strength MPa Tensile strength MPa Elongation %
101-150 Transverse Min 355 470-620 Min 21
151-300 Transverse Min 275 430-610 Min 20

3.5 Impact properties
Impact test in the longitudinal and transverse for plates of E36-Z35 shall meet the requirements per table 3.
Table 3 Impact properties
Charpy-V Impact test
Test temp. Test direction Average impact energy
-40 Celsius degree Longitudinal Min 70J

3.6 Grain size
Grain size for plates shall be according to DNV-OS-B101.
3.7 Surface quality
The surface quality of plates shall be accordance with DNV-OS-B101
3.8 Ultrasonic inspection
Thickness less than 200mm, plates shall be ultrasonic inspected per EN10160 S3E3.
Thickness more than 200mm, plates shall be ultrasonic inspected per ASTM A578/A578M level C

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