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Mat.No. 1.1181/DIN Ck35/AISI 1035

CK35 steel has a higher (0.35%) carbon content for greater strength than the lower carbon alloys. It is hardenable by heat treatment, quench and tempering to develop 150 to 250 ksi tensile strength.
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  • Mat.No. 1.1181/DIN Ck35/AISI 1035

CK35 steel has a higher (0.35%) carbon content for greater strength than the lower carbon alloys. It is hardenable by heat treatment, quench and tempering to develop 150 to 250 ksi tensile strength. 


Designation by Standards


Mat. No.DINENAISI
1.1181Ck35-1035



Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
0.35max. 0.400.65max. 0.40max. 0.10max.0.40--(Cr+Mo+Ni) = max. 0.63


Applications
Component parts for automobile industry, e.g., shafts, forgings, flanges, bushings, crankshafts, connecting rods and parts for the machine building industry. 


Physical properties (average values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210  

Density [g/cm3]: 7.86 


Soft Annealing
Heat to 650-700oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 226.

Normalizing
Normalizing temperature: 880-910oC. 


Hardening
Harden from a temperature of 805-845oC followed by oil or water quenching. 


Tempering
Tempering from the quenched condition may be done at 550-660oC depending upon the strength desired. 


Mechanical Properties in Normalized*, Hardened+Tempered Condition

Diameter (mm)0.2% proof stress (N/mm2)Tensile strength (N/mm2)Elongation A5 (%)Reduction Z (%)Impact strength (J)
Up to 16*300*480-67021*--
17-100*270*480-670*21*--
101-160*245*460-650*19*--
Up to 16430630-780174040
17-40370600-750194540
41-100320550-700205040


Forging
Hot forming temperature: 1100-850oC.

 

Machinability
Machinability is good, rated at 60% that of the AISI 1112 alloy used as a 100% machining rated steel. 


Corrosion Resistance  
This is a steel alloy and will rust if not protected. it is not corrosion resistant. 


Welding  
CK35 steel is weldable by all of the welding methods. However, with its higher carbon content it is important to use both pre-heat at 150 to 260oC and post-heat at 590 to 650oC practice per an approved welding procedure. 


Cold working  
In the annealed state the CK35 alloy is readily cold worked by conventional methods. 


Forms manufactured

Please see the Dimensional Sales Program. 


Disclaimer
The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available. Unless otherwise specified, registered trademarks are property of Metal Ravne company. Copyright 2015 by Metal Ravne. All rights reserved. Contact our Sales Office for more information.


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