Sheet steel P245NB-P355NB according to EN10120-2 is a high-quality product specially designed for the manufacture of gas cylinders and various pressure vessels. These standards define the requirements for weldable gas cylinders made of non-alloy and alloy steels, ensuring their safety and reliability in operation.
Features of sheets and their application
Steel sheet P245NB-P355NB is distinguished by its high strength and resistance to aggressive environments, which makes it an ideal material for the manufacture of gas cylinders used in the automotive industry, construction and mechanical engineering. Due to their characteristics, such sheets are able to easily withstand high pressures and temperatures, which is critical for safety during the transportation and storage of gases, as well as products based on them.
P245NB-P355NB sheets according to EN10120-2 occupy an important place in the production chain of many industries. Their use can significantly improve the quality of finished products, as well as reduce the costs of their maintenance and repair, which makes the sheets a justifiable purchase from an economic point of view
Chemical composition of P245NB-P355NB EN10120 steels
| Grade | C | Si | Mn | P | S | N2) | Altotal1) | Ti | Nb |
| max. | max. | min. | max. | max. | max. | min. | max. | max. | |
| P245NB | 0.16 | 0.25 | 0.30 | 0.025 | 0.015 | 0.009 | 0.020 | 0.03 | 0.050 |
| P265NB | 0.19 | 0.25 | 0.40 | 0.025 | 0.015 | 0.009 | 0.020 | 0.03 | 0.050 |
| P310NB | 0.20 | 0.50 | 0.70 | 0.025 | 0.015 | 0.009 | 0.020 | 0.03 | 0.050 |
| P355NB | 0.20 | 0.50 | 0.70 | 0.025 | 0.015 | 0.009 | 0.020 | 0.03 | 0.050 |
Mechanical properties of P245NB-P355NB EN10120 steels
| Grade | Min. yield strength | Tensile strength | Min. total elongation2) [%] | ||
| [MPa] | [MPa] | L0= 80 mm | L0 = 5,65 √S0 | ||
| e < 3 | 3 ≤ e ≤ 53) | ||||
| P245NB | 245 | 360 – 450 | 26 | 34 | |
| P265NB | 265 | 410 – 500 | 24 | 32 | |
| P310NB | 310 | 460 – 550 | 21 | 28 | |
| P355NB | 355 | 510 – 620 | 19 | 24 | |
Forms of supply of sheets P245NB – P355NB EN 10120
| Steel Grade EN 10120-2 | Sizes (mm) | ||
| Thickness | Width | Length | |
| P245NB | 1–5 | 1 000–2 000 | 12 000 |
| P265NB | 1–5 | 1 000–2 000 | 12 000 |
| P310NB | 1–5 | 1 000–2 000 | 12 000 |
| P355NB | 1–5 | 1 000–2 000 | 12 000 |
