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Brand Name : Best
Model Number : 1/2'' -48''
Certification : API /CE / ISO /TUV
Place of Origin : China
MOQ : 1 TONS
Price : 450 USD/TON
Payment Terms : L/C, T/T
Supply Ability : 100000 Ton/Year
Delivery Time : Shipped in 25 days after payment
Packaging Details : 1) In bundle with strip; 2) First packing by plastic bag then strip; Details packing please see the picture in the detial description.
Standard : PN-EN 10305-2
Grade : Cold drawn steel tubes
Technique : E155 , E195, E235 , E275
Finish : SAWH
Keyword : SAWL (longitudinal welding)
Inspection : With Hydraulic Testing
Surface : Barded /Painting
Production Information : EGYEDI MÉRETŰ CSŐGYÁRTÁS
  Lehetőség van speciális, nem szabvány szerinti méretű csövek gyártására, ennek minimum mennyisége mindig a
  gyártandó mérettől függ.
  Gyártási lehetőségek préseléses technikával (hosszhegesztett cső): Ø 406,4- 2000 mm átmérőig, hossz: 2000-15100
  mm, falvastagság: 8-101 mm
  Gyártási lehetőségek hengereléses technológiával (hosszhegesztett cső) Ø 1000-4500 mm, hossz: 1000-3500 mm, falvastagság:
  10-130 mm
  Egyedi (mag) lyukasztásos technológiával készített honolt és honolásra alkalmas hidraulikus, varratnélküli és hegesztett
  csövek 1600 mm átmérőig, 22 méteres hosszig különösen alkalmas energia, olaj és gáz, gépipari, vízgépészeti,
  anyagmozgatási célokra.
The advantage of steel tubes for precision applications is the high precision of their manufacturing, the good quality of their surface, and the guaranteed mechanical and technological properties. That is why the pipes are widely used in the machining industry and in the automotive industry. Welded pipes for precision applications are manufactured in the process of cold drawing.
PN-EN10305-2 Delivery condition
| Designation | Symbol | Description | 
| Cold drawn / hard | +C | Without thermal processing, after the process of cold drawing is finished | 
| Cold drawn / soft | +LC | After final thermal processing, appropriate drawing | 
| Cold drawn and annealed | +SR | After the final cold drawing process and annealing thermal processing in a controlled atmosphere | 
| Annealed | +A | After the final cold drawing process, the pipes are annealed in a controlled atmosphere | 
| Normalized | +N | After the final cold drawing process, the pipes are normalized in a controlled atmosphere | 
Mechanical properties in room temperature
| Steel grade | Maximum values depending on the delivery condition | |||||||||||
| +C | +LC | +SR | +A | +N | ||||||||
| Steel symbol | RmMPa | A % | RmMPa | A % | RmMPa | ReHMpa | A % | RmMPa | A % | Rm MPa | ReHMpa | A % | 
| E155 | 400 | 6 | 350 | 10 | 350 | 245 | 18 | 260 | 28 | 270 do 410 | 155 | 28 | 
| E195 | 420 | 6 | 370 | 10 | 370 | 260 | 18 | 290 | 28 | 300 do 440 | 195 | 28 | 
| E235 | 490 | 6 | 440 | 10 | 440 | 325 | 14 | 315 | 25 | 340 do 480 | 235 | 25 | 
| E275 | 560 | 5 | 510 | 8 | 510 | 375 | 12 | 390 | 21 | 510 do 550 | 275 | 21 | 
| E355 | 640 | 4 | 590 | 6 | 590 | 435 | 10 | 450 | 22 | 490 do 630 | 355 | 22 | 
Chemical composition (ladle analysis)
| Steel grade | % of the mass | ||||
| Steel symbol | C max | Si max | Mn max | P max | S max | 
| E155 | 0,11 | 0,35 | 0,70 | 0,025 | 0,025 | 
| E195 | 0,15 | 0,35 | 0,70 | 0,025 | 0,025 | 
| E235 | 0,17 | 0,35 | 1,20 | 0,025 | 0,025 | 
| E275 | 0,21 | 0,35 | 1,40 | 0,025 | 0,025 | 
| E355 | 0,22 | 0,35 | 1,60 | 0,025 | 0,025 | 
Inspection and test list
| Inspection or test type | Test frequency | ||
| Internal tests | Acceptance test | ||
| Mandatory | Chemical analysis | M | M | 
| Tensile testing | M | One per tested batch | |
| Dimension verification | M | M | |
| Visual inspection | M | M | |
| Optional | Flattening test or expansion test (option 18) | M | One per tested batch | 
| Roughness testing | Not applicable | One per tested batch | |
| NDT of the weld in order to identify any longitudinal discontinuities | Not applicable | Individual | |
| NDT in order to detect any leaks | |||
PN-EN 10305-2 Cold drawn steel tubes for precision applications Pictures
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