EN10305-2 DOM Steel Tubing for Oil Cylinders E155 E195 E235 E275 E355
Welded Precision Steel Pipe produced by Drawn Over A Mandrel (DOM), according to EN 10305-2, used for Oil Cylinders.
EN10305-2 Welded Precision Cold Drawn Steel Tubes
Applications for Welded Precision Cold Drawn Steel Tube:
for Auto industry
for machinery use
Oil Cylinder Tube
Motorcyle shock absorber
Auto shock absorber innder cylinder
Telescopic Cylinders
Welded Precision Cold Drawn Steel Tube Size range:
O.D.:6-350mm W.T.:1-35mm L:max12000mm
Welded Precision Cold Drawn Steel Tube Steel Grade:
E155, E195, E235, E275, E355.
Steel Grade and Chemical Compositions of Welded Precision Cold Drawn Steel Tube
| Steel Grade | C | Si | Mn | P | S |
| Steel Name | Steel Number | max | max | max | max | max |
| E155 | 1.0033 | 0.11 | 0.35 | 0.70 | 0.025 | 0.025 |
| E195 | 1.0034 | 0.15 | 0.35 | 0.70 | 0.025 | 0.025 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 |
| E275 | 1.0225 | 0.21 | 0.35 | 1.40 | 0.025 | 0.025 |
| E355 | 1.0580 | 0.22 | 0.35 | 1.60 | 0.025 | 0.025
|
Heat treatment method for Welded Precision Cold Drawn Steel Tube:
+Cc, +LCc, +SR, +Ad, +N
Note: Special steel grade is also available, according to customer request.
Please specify the steel grade and heat treatment mothod when sending the enquiry!
Welded Precision Cold Drawn Steel Tube For Application of:
Test Methods of Welded Precision Cold Drawn Steel Tube:
- Tensile test
- Flattening test
- Drift expanding test
- Dimensional inspection
- Roughness measurement
- Visual examincation
- Not-destructive testing
a. Test for longitudinal imperfections-
- Eddy current test - EN10246-3, level E3
- ultrasonic testing - EN10246-7, level U3
b. Leak-tightness
- Non-destructive testing for verification of leak-tightness shall be carried out in accordance with EN10246-1
EN10305 Consists of the following Parts under the general title " Steel tubes for precision applications - Technical delivery conditions "
Part 1: Seamless Cold Drawn Tubes
Part 2: Welded Cold Drawn Tubes
Part 3: Welded Cold Sized Tubes
Part 4: Seamless Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems
Part 5: Welded and Cold Sized Square and Rectangular Tubes
Part 6: Welded Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems
Normative references:
EN10002-1, Metallic materials - Tensile Testing - Part 1: Method of test at ambient temperature
EN10020, Definition and classification of grades of steel
EN10021, General technical delivery requirements for steel and iron products
EN10027-1, Designation systems for steel - Part 1 : Steel names, principal symbols
EN10027-2, Designation systems for steel - Part 2: Numerical systems
EN10052, Vocabulary of heat treatment terms for ferrous products.
EN10204, Metallic products - Types of inspection documents
EN10233, Metallic materials - Tube - Flattening Test
EN10234, Metallic materials - Tube - Drift expanding test
EN10246-1, Non-destructive testing of steel tubes - Part 1: Automatic electromagnetic testing of seamless and welded ( execpt submerged arc-welded) ferromagnetic steel tubes for verification of hydraulic leak-tightness
EN10246-3, Non-destructive testing of steel tubes - Part 3: Automatic eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections
EN10246-5, Non-destructive testing of steel tubes - Part 5: Automatic full peripheral magnetics transducer/flux leakage testing of seamless and welded ( expcept submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal imperfections
EN10246-7, Non-destructive testing of steel tubes - Qualification and competence of level 1 and 2 non-destructive testing personnel.
EN ISO377, Steel and Steel products - Location and preparetion of samples and test pieces for mechanical testing (ISO 377:1997)
EN ISO 2566-1, Steel - Conversion of elongation values - Part 1: Carbon and Low alloy steels (EN102566-1:1984)
EN 10168, Iron and steel products - Inspection documents - List information and description
ENV10220, Seamless and welded steel tubes - Dimensions and masses per unit length
EN10266, Steel Tubes, Fittings and structrual hollow sections - Definitions and symbols for use in product standards
EN ISO 4287, Geometrical product specifications (GPS) - Surface Texture: Profile method - Terms, definition and surface texture parameters ( ISO 4287:1997)
China DOM Steel Tubes supplier & manufacturer, offer low price, high quality Engineering Special Steel,DOM Seamless Steel Tubes, DOM Steel Pipe, etc.
Contact Now
