En 10305-4 Black Phosphated Cold Drawn Seamless Tube for Hydraulic

En 10305-4 Black Phosphated Cold Drawn Seamless Tube for Hydraulic

EN 10305-four black phosphated chilly drawn seamless tube for hydraulic
Higher CZPT Seamless Metal Tube for Automotive Market and CZPT Application

Standard Materials Chemical Composition (%) Tensile power Rm (Mpa) Generate Power Reh (Mpa) Min A Elongation(%) Min
Metal Grade  Materials Quantity C    Si      Mn P     S    Cr Mo
DIN1629 ST37 1.5714 ≤ .seventeen ≤ .55 ≤1.sixty ≤0.04 ≤0.04 350-480 235 twenty five
ST44 1.5718 ≤ .21 ≤ .fifty five ≤1.60 ≤0.04 ≤0.04 420-550 275 21
ST52 one.571 ≤  .22 ≤ .fifty five ≤1.sixty ≤0.04 ≤0.035 550-650 355 22
DIN1630 ST37.four 1.5715 ≤ .17 ≤ .35 ≥0.035 ≤0.04 ≤0.04 350-480 235 twenty five
ST44.4 one.5717 ≤ .21 ≤ .35 ≥0.04 ≤0.04 ≤0.04 420-550 275 21
ST52.four 1.5711 ≤ .22 ≤ .55 ≤1.60 ≤0.04 ≤0.035 550-650 355 22

  Material Chemical Composition (%)    
Standard Steel Grade  Substance Number C    Si      Mn P     S    Cr Mo
DIN 2391 ST35 one.0308 <= 0.17 <= 0.35 >=.04 <=0.571 <=0.571
ST45  one.0408 <= 0.21 <= 0.35 >=.04 <=0.571 <=0.571
ST52 one.058 <= 0.22 <= 0.55 <=1.60 <=0.571 <=0.571
  BK BKW BKS GBK
Metal Grade  Rm Tensile Strength  (Mpa) Min A Elongation(%) Min Rm Tensile Power (Mpa) Min A Elongation(%) Min Rm Tensile Strength (Mpa) Min Rel Produce Strength(Mpa) Min A             Elongation  (%) Min Rm Tensile Power (Mpa)Min A Elongation (%)Min
ST35 480 6 420 ten 420 315 14 315 twenty five
ST45  580 5 520 8 520 375 twelve 390 21
ST52 640 4 580 7 580 420 10 490 22

Normal Metal Grade  Content Quantity C    Si      Mn P     S    Cr Mo
EN10305-1
EN10305-4
E235 one.0308 <= 0.17 <= 0.35 >=.04 <=0.571 <=0.571
E255 one.0408 <= 0.21 <= 0.35 >=.04 <=0.571 <=0.571
E355 1.058 <= 0.22 <= 0.55 <=1.60 <=0.571 <=0.571

Metal Grade  (+C) (+LC) (+SR) (+A) (+N)
Rm Tensile Strength  (Mpa) Min A Elongation(%) Min Rm Tensile Strength (Mpa) Min A Elongation(%) Min Rm Tensile Toughness (Mpa) Min Rel Yield Energy(Mpa) Min A             Elongation  (%) Min Rm Tensile Toughness (Mpa)Min A Elongation (%)Min Rm Tensile Strength (Mpa) Rel Produce Strength  (Mpa) Min A Elongation (%) Min
E235 480 six 420 ten 420 350 16 315 25 340-480 235 25
E255 580 5 520 eight 520 375 twelve 390 21 440-570 255 21
E355 640 four 580 7 580 450 ten 450 22 490-630 355 22

 

En 10305-4 Black Phosphated Cold Drawn Seamless Tube for Hydraulic