EN10305-2 DOM Hydraulic Cylinder Tube for Oil and Pnuematic Cylinders E155 E195 E235 E275 E355
EN10305-2 Welded Precision Cold Drawn Steel Tubes
Honing, Skiving, Roller Burnish
Applications:
for Auto industry
for machinery use
Oil Cylinder Tube
Motorcyle shock absorber
Auto shock absorber innder cylinder
Telescopic Cylinders
Size range: ID.: 20-450mm W.T.:1-80mm L:max12000mm
Steel Grade:
E155, E195, E235, E275, E355. S45C
Steel Grade and Chemical Compositions
| 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:
+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!
For Application of:
Test Methods:
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)
