Minerals & Metallurgy Agents
Description
EN10305-2 DOM Steel Tubing for Oil Cylinders E155? E195? E235? E275 E355
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EN10305-2 Welded Precision Cold Drawn Steel Tubes
Applications:
for Auto industry
for machinery use
Oil Cylinder Tube
Motorcyle shock absorber?? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?
Auto shock absorber innder cylinder
Telescopic Cylinders?????????????
???????????????????????????????????????
Size range: O.D.:6-350mm???? W.T.:1-35mm????? L:max12000mm ? ? ? ? ?
? ? ? ??? ? ? ? ? ? ? ?
Steel Grade:
?E155, E195, E235, E275, E355.
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Steel Grade and Chemical Compositions? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?
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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
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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!
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For Application of:
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Test Methods:
Tensile test
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Flattening test
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Drift expanding test
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Dimensional inspection
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Roughness measurement
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Visual examincation
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Not-destructive testing
a. Test for longitudinal imperfections- ?
- ?Eddy current test - EN10246-3, level E3
- ?ultrasonic testing - EN10246-7, level U3
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b. Leak-tightness
- ?Non-destructive testing for verification of leak-tightness shall be carried out in accordance with EN10246-1
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EN10305 Consists of the following Parts under the general title & quot; Steel tubes for precision applications - Technical delivery conditions & quot;
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Part 1: ?Seamless Cold Drawn Tubes
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Part 2: ?Welded Cold Drawn Tubes
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Part 3: ?Welded Cold Sized Tubes
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Part 4: ?Seamless Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems
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Part 5: ?Welded and Cold Sized Square and Rectangular Tubes
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Part 6: ?Welded Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems
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Normative references:
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EN10002-1, Metallic materials - Tensile Testing - Part 1: Method of test at ambient temperature
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EN10020, ? ?Definition and classification of grades of steel
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EN10021, ? ?General technical delivery requirements for steel and iron products
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EN10027-1, Designation systems for steel - Part 1 : Steel names, principal symbols
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EN10027-2, Designation systems for steel - Part 2: Numerical systems
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EN10052, ? ? Vocabulary of heat treatment terms for ferrous products.
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EN10204, ? ? Metallic products - Types of inspection documents
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EN10233, ? ? Metallic materials - Tube - Flattening Test
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EN10234, ? ? Metallic materials - Tube - Drift expanding test
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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
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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
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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
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EN10246-7, Non-destructive testing of steel tubes - Qualification and competence of level 1 and 2 non-destructive testing personnel.
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EN ISO377, Steel and Steel products - Location and preparetion of samples and test pieces for mechanical testing??(ISO 377:1997)
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EN ISO 2566-1, Steel - Conversion of elongation values - Part 1: Carbon and Low alloy steels (EN102566-1:1984)
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EN 10168, Iron and steel products - Inspection documents - List information and description
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ENV10220, Seamless and welded steel tubes - Dimensions and masses per unit length
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EN10266, ?Steel Tubes, fittings and structrual hollow sections - Definitions and symbols for ?use in product standards
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EN ISO 4287, ?Geometrical product specifications (GPS) - Surface Texture: Profile method - Terms, definition and surface texture parameters ( ISO 4287:1997)
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TORICH INTERNATIONAL CO.,LTD
Precision Steel Tube,Welded Steel Tube,Seamless Steel Tube
Address: 706 Qiling Mansion North Building Yinzhou District, Ningbo China.,
Ningbo, Zhejiang
China, 315000
Tel: 86-574-88086983
Fax: 86-574-88086983
