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EN10305-1 E235-N Low Carbon Steel Tube Cold Drawn For Precision Applications
EN10305-1 E235-N Low Carbon Steel Tube Cold Drawn For Precision Applications
Class：Seamless steel pipes
Time：2024-05-28
Introduction：WuXi Sylaith Special Steel Co., Ltd. is a large production and supply enterprise, is a collection of carbon steel sheet, seamless steel pipes, stainless steel sheet, stainless steel pipe, copper alloy, aluminum alloy, production, trade, export, logistics, service, new product development in one of the large steel enterprises.
PRODUCT DETAILS
Standard EN 10305 covers steel precision tubes. The standard includes delivery conditions for six different parts. Part 1 or EN 10305-1 refers to seamless cold drawn precision tubes. These precision tubes are specially marked with the letter E, so they are manufactured to standards and hold tight tolerances, making them ideal for use as machine parts. This is because the precision steel tube en 10305-1 is the same as the system to be connected.
EN10305-1, E235+N seamless pipe
EN 10305 is suitable for seamless precision steel tube applications.
Power Steering Applications
The EN 10305 European Standard specifies the technical delivery conditions for seamless cold-drawn pipes of circular cross-section for hydraulic and pneumatic systems.
Standard and Steel Grades:
EN10305-1 E215
EN10305-1 E235
EN10305-1 E355
The allowable pressure rates and temperatures are the responsibility of the customer according to the safety factors specified in the latest technical and application regulations, codes or standards.
Pipes complying with this EN 10305 European standard are characterized by precisely defined dimensional tolerances and specified surface roughness.
EN 10305 Seamless precision tubes shall be cold drawn from hot worked seamless tubes. Other suitable cold working methods are permitted. The tube shall be delivered in delivery condition +N, which means that after the final cold drawing operation, the tube is normalized in a controlled atmosphere.
NBK refers to protective heat treatment in a non-oxidizing environment to make the surface of the pipe bright and smooth.
EN 10305-1 Steel tubes Resistance properties
EN 10305-1 steel tube stockist in China for precision applications
Pipe types | Steel grades | Resistance properties | |||||||||||
+C | +LC | +SR | +A | +N | |||||||||
Rm [MPa] | A% | Rm [MPa] | A% | Rm [MPa] | Re [MPa] | A% | Rm [MPa] | A% | Rm [MPa] | Re [MPa] | A% | ||
Precision | E235 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340- 480 | 235 | 25 |
E255 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440- 570 | 255 | 21 | |
E355 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490- 630 | 355 | 22 | |
C34E | 590 | 5 | 540 | 7 | - | - | - | 440 | 22 | >= 460 | 280 | 21 | |
C45E | 720 | 4 | 670 | 6 | - | - | - | 510 | 20 | >= 540 | 340 | 18 | |
EN 10305-1 Gr E355 Seamless Tubes Chemical Properties
Pipe types | CHEMICAL COMPOSITION (LADLE ANALYSIS) | ||||||||||
C% | Si% | Mn% | P% | S% | Cr% | Mo% | V% | Inne% | Cr+ Mo+ Ni Max% | Al.% | |
E235 | <=0,17 | <=0,35 | <=1,20 | <=0,025 | <=0,025 | - | - | - | - | - | 0,020- 0,060 |
E255 | <=0,21 | <=0,35 | 0,40-1,10 | <=0,025 | <=0,025 | - | - | - | - | - | 0,020- 0,060 |
E355 | <=0,22 | <=0,55 | <=1,60 | <=0,025 | <=0,025 | - | - | - | - | - | 0,020- 0,060 |
C35E | 0,32-0,39 | <=0,40 | 0,50-0,80 | 0,035 | <=0,035 | <=0,40 | <=0,10 | - | - | 0,63 | - |
C45E | 0,42-0,55 | <=0,40 | 0,50-0,80 | 0,035 | <=0,035 | <=0,40 | <=0,10 | - | - | 0,63 | -
|
Mechanical Characteristics of EN 10305-1 Grade E355 Seamless Tubes
EN 10305-1 Heat exchanger and Elevator tubes with smooth surfaces and improved resistance
Yield Strength | Tensile Strength | Elongation A5 min | |||
MPa min | ksi min | MPa min | MPa min | ksi min | Percentage |
490 | 630 | – | 22 | ||
Equivalent of EN 10305-1 Gr E355 Tubes
DIN | EN | BS | NFA | ASTM | ASME |
– | EN 10305-1 Grade E355 | – | – | – | – |
EN 10305-1 Tubes Standard
Mandatory | Chemical analysis | M | M |
Tensile testing | M | One per tested batch | |
Dimension verification | M | M | |
Visual inspection | M | M | |
Optional | Flattening test or expansion test (option 20) | M | One per tested batch |
Roughness measurement | Not applicable | One per tested batch | |
NDT in order to identify longitudinal discontinuity | Not applicable | Individual | |
NDT in order to identify leaks |
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