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PN-EN 10305 Calibration Weights Cold Drawn Welded Tubes E22 E190

Categories ERW Steel Pipe
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 10305-3
Grade: Cold drawn steel tubes
Technique: E155, E190, E195, E22
Finish: SAWH
Keyword: SAWL (longitudinal welding)
Inspection: With Hydraulic Testing
Surface: Barded /Painting
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PN-EN 10305 Calibration Weights Cold Drawn Welded Tubes E22 E190

Production Information : PN-EN 10305-3 Calibrated steel tubes for precision applications


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.


Delivery condition

DesignationSymbolDescription
Welding and cold calibration+CR1Usually not thermally processed but appropriate for final annealing
+CR2Not intended for thermal processing after the welding and calibration processes are completed
Annealed+AAfter the welding and calibration processes are completed, the pipes are annealed in a controlled atmosphere
Normalized+NAfter the welding and calibration processes are completed, the pipes are normalized in a controlled atmosphere. This delivery condition can be achieved through direct processing.


Chemical composition (ladle analysis)


Steel grade% of the mass
Steel symbolSteel numberC maxSi maxMn maxP maxS max
E1550,110,350,700,0250,025
E1900,10
E1950,150,350,700,0250,025
E220,14
E2350,170,351,200,0250,025
E2600,16
E2750,210,351,400,0250,025
E3200,20
E3550,220,551,600,0250,025
E3700,21
E4200,160,501,700,0250,025


Mechanical properties in room temperature for the +CR!, +A and +N delivery conditions


Steel gradeMinimum values for the delivery condition
+CR1+A+N
Steel symbolR m MPaA %Rm MPaA %Rm MPaReH MpaA %
E1552901526028270 do 41015528
E195330829028300 do 44019528
E235390731525340 do 48023525
E275440639021410 do 55027521
E355540545022490 do 63035522


Mechanical properties (minimum values) in room temperature for the +CR2 delivery condition


Steel gradeTensile strength Rm MPaYield limit ReH MpaElongation at break A %
Steel symbol
E19027019026
E22031022023
E26034026021
E32041032019
E37045037015
E42049042012


Inspection and test list


Inspection or test typeTest frequency
Internal testsAcceptance tests
MandatoryChemical analysisMM
Tensile testingMOne per tested batch
Dimension verificationMM
Visual inspectionMM
OptionalFlattening test or expansion test (option 20)MOne per tested batch
Roughness testingNot applicableOne per tested batch
NDT of the weld in order to identify any longitudinal discontinuitiesNot applicableEvery individual pipe
NDT of the whole pipe circumference in order to identify any longitudinal discontinuities
NDT in order to detect any leaks
Transverse NDT of the weld in order to identify any discontinuities



PN-EN 10305-3 Calibrated steel tubes Pictures



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