TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, |
| Supply Ability | 60000 Ton/Year |
| Delivery Time | 15-25 days |
| Packaging Details | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| Product Name: | EN10305-2 Welded Precision Cold Drawn DOM Steel Tube for Motorcycle Shock Absorbers |
| Material: | E155 E195 E235 E275 E355 |
| Surface: | With Anti Rust Oil |
| Application: | Auto Shock Absorber Inner Cylinder, Telescopic Cylinders |
| Shape: | Round |
| OD: | 50-350mm |
| WT: | 0.5-35mm |
| Length: | 0.1-12.5m |
| Tolerance: | According to the following tables or customers’ request. |
| Spec: | General Length:4-12.5m |
| Brand Name | TORICH |
| Model Number | EN10305-2 |
| Certification | ISO 9001 ISO 14001 TS 16949 |
| Place of Origin | Zhejiang China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, | Supply Ability | 60000 Ton/Year |
| Delivery Time | 15-25 days | Packaging Details | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| Product Name: | EN10305-2 Welded Precision Cold Drawn DOM Steel Tube for Motorcycle Shock Absorbers | Material: | E155 E195 E235 E275 E355 |
| Surface: | With Anti Rust Oil | Application: | Auto Shock Absorber Inner Cylinder, Telescopic Cylinders |
| Shape: | Round | OD: | 50-350mm |
| WT: | 0.5-35mm | Length: | 0.1-12.5m |
| Tolerance: | According to the following tables or customers’ request. | Spec: | General Length:4-12.5m |
| Brand Name | TORICH | Model Number | EN10305-2 |
| Certification | ISO 9001 ISO 14001 TS 16949 | Place of Origin | Zhejiang China |
| High Light | welded steel pipe ，electric resistance welded steel tube | ||
EN10305-2 DOM Steel Tubing for Oil Cylinders E155 E195 E235 E275 E355
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.
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 examination
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 ( except 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 ( except 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 preparation 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 structural 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)
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
FAQ
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
If you have another question, pls feel free to contact us
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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