TORICH INTERNATIONAL LIMITED
| Name | DOM Welded Carbon Steel Pipe EN10305-2 for Hydraulic Steel Tubing E155, E195, E235 E275, E355 |
| Standard | GB, API ASTM BS DIN GB JIS EN |
| Shape | Round |
| Surface | Anti-rust oiled |
| Material | E155, E195, E235 E275, E355 |
| WT | 1-35mm |
| OD | 6-350mm |
| Length | max12000mm |
| Usage | Auto Industry，Telescopic systems |
| Technique | Cold drawn |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union |
| Supply Ability | 50000 tons per year |
| Delivery Time | 5-8 weeks of work days |
| Packaging Details | antirust oil in hexagonal bundles or in carbon boxes or wooden boxes |
| Brand Name | TORICH |
| Model Number | EN10305-2 GB API ASTM BS DIN GB JIS |
| Certification | ISO 9001 ISO14001 TS16949 DNV SON BV DNV |
| Place of Origin | Zhejiang Province, China |
View Detail Information
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Product Specification
| Name | DOM Welded Carbon Steel Pipe EN10305-2 for Hydraulic Steel Tubing E155, E195, E235 E275, E355 | Standard | GB, API ASTM BS DIN GB JIS EN |
| Shape | Round | Surface | Anti-rust oiled |
| Material | E155, E195, E235 E275, E355 | WT | 1-35mm |
| OD | 6-350mm | Length | max12000mm |
| Usage | Auto Industry，Telescopic systems | Technique | Cold drawn |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union | Supply Ability | 50000 tons per year |
| Delivery Time | 5-8 weeks of work days | Packaging Details | antirust oil in hexagonal bundles or in carbon boxes or wooden boxes |
| Brand Name | TORICH | Model Number | EN10305-2 GB API ASTM BS DIN GB JIS |
| Certification | ISO 9001 ISO14001 TS16949 DNV SON BV DNV | Place of Origin | Zhejiang Province, China |
| High Light | drawn over mandrel steel tube ，drawn over mandrel steel tubing | ||
DOM Welded Carbon Steel Pipe EN10305-2 for Hydraulic Steel Tubing E155, E195, E235 E275, E355
Size range: O.D.:6-420mm W.T.:1-50mm L:max12000mm
Applications: for Auto Industry/ Machinery Use/ Oil Cylinder Tube/ Motorcycle Shock Absorber/
Auto Shock Absorber/ Inner Cylinder/ Telescopic Cylinders/ Jack Lifting System/ Hydraulic Cylinders
Appearance:
The internal and external surface finish of the tubes is smooth, while the Weld Seam is somehow not visible or tangible.
The ID surface with roughness Ra≤4μm, the best ID smoothness we could reach Ra≤0.8μm
The inner surface can be measured and reported if this is requested by the purchaser before PO.
Supplying Steel Grade:
E155, E195, E235 E275, E355
Delivery Condition:
+C, +Lc, + SR, +A, +N
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 |
Note: Special steel grade is also available, according to customer request.
Production Method:
DOM, ERW+ Cold Drawn
ID Honing + Roller Burnish+ Skiving
For Application of:
Relate Information:
Quality Inspection standard and 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 stee l- Part 2: Numerical system
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 the detection of imperfections
EN10246-5, Non-Destructive testing of steel tubes - Part 5: Automatic full peripheral magnetic transducer /flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longtitudinal imperfections
EN10246-7, Non-Destructive testing of steel tubes - Part 7: Automatic full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal imperfections.
EN10256, 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 ( ISO2566-1:1984)
ENV10220, Seamless and welded steel tubes - Dimension and masses per unit length.
EN10266, Steel Tubes, fittings and structural hollow sections - Definition and Symbols for use in products standards
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.
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
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