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Model No. : | EN10305-4 |
---|---|
Brand Name : | Torich |
Ningbo, Zhejiang, China
Описание продукта
Torich is a professional manufacturer and exporter of EN10305-4 Precision Steel Tubes Hydraulic Systems with Cold Drawn and Cold Rolling Production, our hydraulic steel tubing are used for
seamless precision bending as well as for steel tubes of hydraulic systems
We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.
1. Hydraulic Steel Tube Standard:
EN10305-4 Cold drawn Precision Seamless Steel Pipes
2. Hydraulic Steel Tubing Steel Grade:
E215,E235,E355, other materials upon agreement with customers.
3. Hydraulic Steel Tubes Production method:
Cold drawing on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance,
with certain heat treatment to achieve better mechanical properties for bending and pressure purposes
4.Cold Drawn Hydraulic Steel Tubes Size range:
O.D.:5-100mm
W.T.:1-15mm
L:max12000mm
5. Precision Hydraulic Steel Tubing Packing:
In Hexagonal Bundles, wth anti-rust oil protection, with seaworthy packing
6. EN10305-4 Hydraulic Steel Tubes Delivery condition: +N, +C,+LC, +SR, +A
Please specifiy the final heat treatment when sending the enquiry.
7.Inspection and testing:
Chemical analysis
Tensile test
Flattening test or Drift expanding test
Dimensional inspection
Visual examination
NDT for verification of leaking tightness
Steel Grade and Chemical Compositions:
Steel Grade | C | Si | M n | P | S | Al | |
Steel Name | Steel Number | max | max | max | max | max | 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 | - |
Mechanical properties at room temperature | |||||||||||||
Steel grade | Minimum values for the delivery condition | ||||||||||||
Steel Name | Steel Nubmer | (+Cc) | (+LCc) | (+SR) | (+Ad) | (+N) NBK | |||||||
Rm Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | ||
E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-430 | 215 | 30 |
E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 |
E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450f | 10 | 450 | 22 | 490-630 | 355 | 22 |
Hydraulic Steel Tubing in production:
Straigtening for Seamless Cold Drawn Hydraulic Steel Tubing:
100% Eddy Current Test and Ultrasonic Test:
Chemical Composition Inspection:
Mechanical Properties Inspection:
Ningbo, Zhejiang, China
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