Oil Cylinders DOM Steel Tubing Carbon Steel Drawn Over a Mandrel Pipe - EN10305-2
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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?????????????
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Size range: O.D.:6-350mm???? W.T.:1-35mm????? L:max12000mm ? ? ? ? ?
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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
Address: 706 Qiling Mansion North Building Yinzhou District, Ningbo China., Ningbo, Zhejiang, China, 315000
Tel: 86-574-88086983
Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes锛孌OM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.
