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   Site:Home >> Products Showing >> DIN Series Precision Steel Tube >> Technical Specification >> Mechanical properties

DIN 2391 Mechanical properties

  The final delivery condition Cold drawn(Mandatory)
BK1)
Cold drawn(Soft)
BKW1)
Cold Drawn and Stress Release
(BKS)
Anneal
(GBK)1)
Normalizing
(NBK)1)
Kinds of Steel   Tensile Elongation Tensile Elongation Tensile Yield point Elongation Tensile Elongation Tensile Yield point Elongation
Steel grade Material number   No less than
Rm A5 Rm A5 Rm ReH A5 Rm A5 Rm ReH2) A5
      N/mm2 % N/mm2 % N/mm2 N/mm2 % N/mm2 % N/mm2 N/mm2 %
St35 1.0308   -- -- -- -- -- -- -- -- -- 340~470 235 25
St37.4 1.0255   480 6 420 10 420 315 14 315 25 350~480 235 25
St45 1.0408   580 5 520 8 520 375 12 390 21 440~570 255 21
St52 1.0580   640 4 580 7 580 420 10 490 22 490~630 355 22
St52.4 1.0581   -- -- -- -- -- -- -- -- -- 500~650 355 21


EN 10305-1 Mechanical properties

  The final delivery condition Cold drawn
(Mandatory)
+C
Cold drawn
(Soft)+LC
Cold Drawn and Stress Release
(+SR)
Anneal
(+A)
Normalizing
(+N)
      Tensile Elongation Tensile Elongation Tensile Yield point Elongation Tensile Elongation Tensile Yield point Elongation
Steel grade Material number   No less than
Rm A5 Rm A5 Rm ReH A5 Rm A5 Rm ReH2) A5
      N/mm2 % N/mm2 % N/mm2 N/mm2 % N/mm2 % N/mm2 N/mm2 %
E235 1.0308   480 6 420 10 420 350 16 315 25 340~480 235 25
E255 1.0408   580 5 520 8 520 375 12 390 21 440~570 255 21
E355 1.0580   640 4 580 7 580 450 10 450 22 490~630 355 22


GB3639 Mechanical properties

  The final delivery condition Cold drawn
(Mandatory)
BK1)
Cold drawn
(Soft)
BKW1)
Cold Drawn and Stress Release
(BKS)
Anneal
(GBK)1)
Normalizing
(NBK)1)
    Tensile Elongation Tensile Elongation Tensile Elongation Tensile Elongation Tensile Yield point Elongation
Steel grade   No less than
Rm A5 Rm A5 Rm A5 Rm A5 Rm ReH2) A5
    N/mm2 % N/mm2 % N/mm2 % N/mm2 % N/mm2 N/mm2 %
10   410 6 375 10 335 12 335 24 335 205 24
20   510 5 450 8 430 10 390 20 410 245 20
35   590 4 550 6 520 8 510 17 530 315 17
45   645 4 630 5 610 7 590 14 600 355 14


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