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Cold Work Tool Steel

 

  02-295-1000
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 K340

Bohler K340: Equivalent* DC53

 

 Chemical composition (average %)

  C Si Mn Cr Mo V Other
K340  1.10 0.70  0.40  8.20 2.10 0.50 +Al,Nb

 

Material characteristic and use

Properties High toughness and outstanding compressive strength,
good dimensional stability, outstanding EDM machinability.
   
Application Forming and punching tools e.g. dies and punches, cold working tools
e.g. tools for deep drawing or extrusion, coining tools, bending tools,
thread rolling tools, industrial knives, machine components (e.g. guide rails)
   
Hardness after tempering 57-63 HRC
   
As-supplied condition Annealed: max 235 HB

 

Physical characteristics

    Temperature
    20 ºC 100 ºC 200 ºC 300 ºC 400 ºC 500 ºC 600 ºC 700 ºC
Density (kg/dm3) 7.68              
Thermal conductivity W/(m·K) 17.8              
Specific heat J/(kg·K) 490              
Electrical resistivity Ohm·mm2/m 0.64              
Modulus of elasticity N/mm2 206x103              
Thermal expansion 10-6m/(m·K)    11.2  11.8  12.3  12.7  12.9  13.1  13.1

* Chemical composition is only reference and might not be the same

Our Company

Tel  : 66(0) 2295-1000-8,66(0) 2295-1901-6
Fax  : 66(0) 2295 1009 , 66(0) 2683 0943 , 66(0) 2683 0944
Addr. : 42, 48 Rama 3 Road, Soi 53, Yannawa, Bangkok 10120
Tel. : 66(0) 38-080-400 , 66(0) 38-080-411
Fax : 66(0) 38-080-409 , 66(0) 38-080-419 , 66(0) 38-080-429
Addr.          

: 155 Moo 14 Sukhumvit Road (Old Route) Bang Pakong Tambon    Bang Pakong District Chachoengsao Province

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