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C35

C35 

Steel pipe , Under EN 10250-2 standard,C35 steel pipe,  we can regard C35 steel pipeas high carbon steel.

C35 steel pipe is one mainly of high carbon steel,the application of EN EN 10250-2  steel  is equal to JIS G4051 S35C,DIN C35,UNI C35,NFA AF55-C35 ,UNE36011 C35K and AISI 1035.

C35 EN 10250-2:1999, Number: 1.0501  Comparison of steel grades
JUS Č.1430
DIN C35
BS -
GOST (35)
AISI 1035
UNI -
NF (AF55C35)

C35 steel pipe Chemical analysis -% by mass 

Chemical elements C Si 
max.
Mn P max. S
max.
Cr
max.
Mo
max.
Ni
max.
Cr+Mo+Ni
max.
 
%,by mass 0,32-0,39 0,40 0,50-0,80 0,045 0,045 0,40 0,10 0,40 0,63 -
Permissible deviation ±  0,02 + 0,03 ± 0,04 + 0,005 + 0,005 + 0,05 + 0,03 + 0,05   -

At the option of the manufacturer the elements aluminium, titanium, vanadium and niobium may be added singly or in combination  for grain size control purposes. Elements not quoted in table shall not be added  to the steel without the agreement of  the purchaser, except for the purpose  of  finishing the heat.   Mechanical properties in the normalized and normalized and tempered conditions

Thickness of ruling section tR
Diameter in mm tR ≤ 100mm 100< tR ≤250mm 250< tR ≤500mm 500< tR ≤1000mm
Re min  (N/mm2) 270 245 220 210
Rm min (N/mm2) 520 500 480 470
A % min. l-longitudinal 19 19 19 18
tr -transverse - 15 15 14
KV min * (J) l-longitudinal 30 25 20 17
tr -transverse - 15 12 12

  1N/mm2=1MPa Heat treatment conditions

Quenching Temperature, 0C Cooling medium Tempering Temperature, 0C Normalizing  
temperature, 0C
840 to 880 Water or oil 550 to 660 860 to 900

     

C35 EN 10083-2:2002, Number: 1.0501  Comparison of steel grades
JUS Č.1430
DIN C35
BS 060°35
GOST (35)
AISI 1035
UNI C35
NF (AF55C35)

  Chemical analysis -% by mass

Chemical elements C Si 
max.
Mn P max. S
max.
Cr
max.
Mo
max.
Ni
max.
Cr+Mo+Ni
max.
%, by mass 0,32-0,39 0,40 0,50-0,80 0.045 0,045 0,40 0,10 0,40 0,63
Permissible deviation ± 0.02 +0,03 ± 0,04 + 0.005 +  0.005 +0,05 +0,03 +0,05 -

  Maximum hardness for products to be supplied in the ’’treated to improve shearability (+S)’’ or ’’soft annealed (+A)’’ condition

  +S HB max. +A HB max.
- -

  Mechanical properties in the quenched and tempered condition (+QT)

  Mechanical properties for the ruling sections (see prEN10083-1:2002, Annex A) with a diameter (d) or for flat products trickness (t) of
d  ≤ 16mm t ≤ 8mm 16mm < d  ≤ 40mm 8mm < t  ≤  20mm 40mm < d  ≤ 100mm 20mm < t  ≤  60mm
Re min (MPa) 430 380 320
Rm (MPa) 630-780 600-750 550-700
A  min. (%) 17 19 20
Z  min. (%) 40 45 50
KV min. (J) -                   -                   -

         Re:Upper yield strenght or, if on yield phenomenos occurs, the 0,2% proof strenght Rρ0,2.        Rm: Tensile strenght     Mechanical properties in the normalized condition – (+N)

  Mechanical properties for  products with a diameter (d) or, for flat products, a trickness (t) of
d  ≤ 16mm t ≤ 16mm 16mm < d  ≤ 100mm 16mm < t  ≤  100mm 100mm < d  ≤ 250mm 100mm < t  ≤  250mm
Re min. (MPa) 300 270 245
Rm min. (MPa) 550 520 500
A  min. (%)                  18                 19                  19

  Heat treatment conditions

Quenching 0C Quenching agent Tempering 0C Normalizing 0C
840-880 Water or oil Oil or water 550-660 860 to 920

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Tags: C35

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