Technical conditions for plates of E36

1.       Scope

The technical conditions apply to plates of E36/EH36 with thickness not less than 140mm. (140mm-300mm)

2.       Dimension, Shape, Weight and Permissible Deviation

The dimension, shape, weight and permissible deviation shall meet the requirements of DNV-OS-B101.

The flatness of plates shall be =< 5mm/1m and =<8mm/2m.

3.       Technical conditions

3.1   Chemical composition (Ladle analysis)

The chemical composition of plates shall be accordance with the following table 1.

Table 1 Chemical composition (Ladle analysis)

3.2   Carbon equivalent (CEq)

Carbon equivalent shall be not more than 0.43 for plates of E36.

Carbon equivalent shall be calculated as follows:

CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)

3.3   Tensile properties

The tensile properties of E36 shall meet the requirement as table 2.

Table 2 Tensile properties

3.4   Impact properties

Impact test in the longitudinal and transverse for plates of E36 shall meet the requirements per table 3.

Table 3 Impact properties

3.5   Grain size

Grain size for plates shall be according to DNV-OS-B101.

3.6   Surface quality

The surface quality of plates shall be accordance with DNV-OS-B101

3.7   Ultrasonic inspection

Plates shall be ultrasonic inspected per ASTM A578/A578M level B.

3.8   Test method and inspection rules

Test items, sampling quantity, sampling method and test method shall conform to table 4.

Table 4 Test items for plates

4.       Package, marking and certificate

Package, marking and certificate shall conform to DNV-OS-B101.

5.       The third party inspection

The chemical composition, tensile test and Charpy -V impact test for plates of E36 shall be witnessed by surveyor of DNV.

6.       Delivery conditions

The delivery conditions for plates of E36 shall be Normalized.

7.       Other requirements

The other requirements for plates of E36 shall be accordance with DNV-OS-B101.