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Straight Mild Cold Drawn Welded Tubes With Good Mechanical Properties
| 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 | E235 | Shape | Round |
|---|---|---|---|
| Delivery Condition | +C,+LC，+SR，+N，+A | Standard | EN10305-2 |
| Type | Welded Or Seamless | Thickness | 0.5-15mm |
| High Light | welding round tubing,cold drawn welded tubes |
||
Product Description
Standard En10305-2 Material E355 High Precision Weld Steel Tube
Main Data
| Material: | E235 |
| Other Material Aviable | 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. |
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.
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.
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 |
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