EN 10120 P310NB steel plate/sheet for gas cylinders and gas vessels
P310NB steel plate/sheet, under EN 10120 standard, we can regard P310NB steel plate/sheet for gas cylinders and gas vessels.
P310NB steel plate/sheet is one mainly of Steel for gas cylinders and gas vessels.EN 10120 P310NB steel is grade for gas cylinders in SG255,SG295,SG325 and SG365,which all with the different tensile strength of 400MPa,440MPa,490MPa and 540MPa.
P310NB steel Chemical composition
| Symbol | Chemical composition | ||||
| C max | Si max | Mn max | P max | S max | |
| P310NB | 0.20 | 0.55 | 1.50 | 0.040 | 0.040 |
P310NB steel Mechanical properties
| Symbol | Yield point or proof stress N/mm2 (min) | Tensile strength N/mm2 min | Elongation % min | Tensile test piece | Bendability | ||
| Bending Angle | Inside radius | Test piece | |||||
| P310NB | 365 | 540 | 20 | NO.5 in rolling direction | 180° | Thickness x 1.0 Thickness x 1.5 | No.3 in rolling direction |
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