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Outer Diameter φ6 - φ80 Welded Steel Pipe Powerful Welding Strength For Hydraulic System
| Place of Origin | China |
|---|---|
| Brand Name | Hongbao |
| Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Model Number | HB-WT-001 |
| Minimum Order Quantity | 1 ton |
| Price | Negotiable |
| Packaging Details | Seaworthy Wooden box, customized Packing |
| Delivery Time | 30-45 Days |
| Supply Ability | 60000 MT per Year |
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xProduct Details
| Material | E355 | Shape | Round |
|---|---|---|---|
| Application | Automotive Part, Hydraulic System, High-precsion Machining,etc. | Delivery Condition | +C,+LC，+SR，+N，+A |
| Standard | EN10305-2 | Certificate | TS16949,DNV |
| High Light | welded steel pipe,cold drawn welded tubes |
||
Product Description
Standard En10305-2 Material E355 High Precision Weld Steel Tube
Introduce
Cold drawn welded pipe, it is the production of one of the best choice of the multistage hydraulic cylinder tube, its process and precision seamless steel tube cold drawing process, is to use precision resistance welding (ERW) precision drawing, manufacturing the EN 10305-2 eu mechanical cold drawn steel tube welding standard.
Process
After welding of resistance welded pipe, the overall pipe body passes through the positive fire to ensure that the weld and heat affected zone are in the same quality as the other parts in the metallographic structure and mechanical properties; Cold drawing and subsequent heat treatment (eliminating internal stress) and steel pipe have good size and mechanical properties.
Main Date
| Material: | E355 |
| Standard: | EN10305-2 |
| Delivery Condition: | +C,+LC,+SR,+N,+A |
| Size Range: | Outer Diameter:φ6-φ80 Wall Thickness: 0.5-10 |
| Application: | High Precision Steel Tube is Widely Used in Automotive Part, Hydraulic System, High-precsion Machining. |
Produced by cold drawing over mandrel and die on the ERW welded steel tube, to achieve better tolerance and good concentricity, both outside and inside weld seam is completely removed during the cold drawing process.
Advantage (compare with seamless cold drawn tube)
Better shape
Improved quality surface
Tight Excentricity and wall thickness tolerances
Good toughness at low temperature
USA Market: 90% of the cylinder in the USA market are produced with welded tubes
Cost fix Lengths More Cheaper
Chemical Compositions
| Steel Number | Quality Level | Thickness/mm | Deoxidize Method | C(%)≤ | Si(%)≤ | Mn(%)≤ | P(%)≤ | S(%)≤ |
| E185(Fe310) | 0 | - | - | - | - | - | - | - |
| E235(Fe360) |
A B
C D |
≤16 ＞16-25 ≤40 ＞40
|
N - - E NE NE GF |
0.22 0.17 0.20 0.17 0.20 0.17 0.17 |
- 0.40 0.40 0.40 0.40 0.40 0.40 |
- 1.40 1.40 1.40 1.40 1.40 1.40 |
0.050 0.045 0.045 0.045 0.045 0.040 0.035 |
0.050 0.045 0.045 0.045 0.045 0.040 0.035 |
| E275(Fe430) |
A B C D |
≤40 ＞40 |
- E NE NE GF |
0.24 0.21 0.22 0.20 0.20 |
- 0.40 0.40 0.40 0.40 |
- 1.50 1.50 1.50 1.50 |
0.050 0.045 0.045 0.040 0.035 |
0.050 0.045 0.045 0.040 0.035 |
| E355(Fe510) |
C D |
≤30 ＞30 ≤30 ＞30 |
NE NE GF GF |
0.20 0.22 0.20 0.22 |
0.55 0.55 0.55 0.55 |
1.60 1.60 1.60 1.60 |
0.040 0.040 0.035 0.035 |
0.040 0.040 0.035 0.035 |
Packaging
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing
Payment
30% TT in advance, balance before shippment or B/L at sight.
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