EN10305-4 E235 Seamless precision Tubes for hydraulic and pneumatic power systems
The pipes are used to manufacture hydraulic and pneumatic power systems of the I generation and they are also used in the pipelines of hydraulic and pneumatic systems. They are manufactured as seamless cold-drawn tubes. They are provided in the +N delivery condition (normalized in a controlled atmosphere).
Delivery status: BK(+C), BKS(+SR), BKW(+LC), GBK(+A), NBK(+N)
EN 10305-4 allowed pressure rating and upper temperatures are the responsibility of the clients in the application of the safety coefficients specified in the applicable codes, regulations or standards. Concerning the low-temperature range relevant to the impact energy requirements are given at 0°C.
EN 10305 Chemical Composition
Steel Grade | Mass Percent | ||||||
Grade | NO. | C Max. | Si Max. | Mn Max. | P Max. | Sb Max. | Al Min. |
E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | - |
E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | - |
EN 10305 Mechanical Properties
Grade |
| Mechanical Properties | |||||||||||
+C | +LC | +SR | +A | +N | |||||||||
Rm (Mpa) min | A % min | Rm (Mpa) min | A % min | Rm (Mpa) min | ReH (Mpa) min | A % min | Rm (Mpa) min | A % min | Rm (Mpa) min | ReH (Mpa) min | A % min | ||
E215 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-340 | 215 | 30 | |
E235 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 | |
E355 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 | |
1. Rm: tensile strength; ReH: yield strength; A: elongation |