Technical conditions for plates of S355J0-Z35
1. Scope
The technical conditions apply to plates of S355J0-Z35 with thickness not less than 150mm to 400mm.
2. Dimension, Shape, Weight and Permissible Deviation
The dimension, shape, weight and permissible deviation shall meet the requirements of EN10029.
Flatness: max 6mm/m.
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)
C | Si | Mn | P | S | Cr | Ni | Mo |
Max 0.25 | Max 0.35 | 1.10- 1.60 | Max 0.025 | Max 0.010 | Max 0.25 | Max 0.25 | Max 0.08 |
3.2 Carbon equivalent (CEq)
Carbon equivalent shall be not more than 0.50 for plates of S355J0-Z35.
Carbon equivalent shall be calculated as follows:
CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)
3.3 Mechanical properties
The mechanical properties of S355J0-Z35 shall meet the requirement as table 2.
Table 2 Tensile properties
Thickness mm | Yield strength MPa | Tensile strength MPa | 0 C Akv (J) | Elongation % |
150-400 | Min 320 | Min 570 | Min 23J | Min 17 |
3.4 Surface quality
The surface quality of plates shall be accordance with EN10163-2.
3.5 Ultrasonic inspection
Plates shall be ultrasonic inspected per ASTM A578/A578M level C.
3.6 Direction of Thickness
Through thickness tension testing shall be done according to EN10164 (%Re ≥ 35)
3.7 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
No. | Test item | Quantity, Piece | Sampling method | Test method |
1 | Chemical composition (Ladle analysis) | 1 (per batch furnace number) | EN10025-2 | EN10025-2 |
2 | Tensile test | 1 (Rolled pc) | EN10025-1 | EN10025-1 |
3 | Impact test at 0C | 1 (Rolled pc) | EN10025-1 | EN10025-1 |
4 | Thickness tension | 3 (Rolled pc) | EN10164 | EN10164 |
4. Package, marking and certificate
Package, marking and certificate shall conform to EN10025-1.
5. The third party inspection
The chemical composition, tensile test and Charpy -V impact test for plates of S355J0-Z35 shall be witnessed by surveyor of GL.
6. Delivery conditions
The delivery conditions for plates of S355J0-Z35 shall be Normalized.
7. Other requirements
The other requirements for plates of S355J0-Z35 shall be accordance with EN10025-2 2004.
MTC accordance with EN10204 3.1
