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39NiCrMo3
EN 10083-3:2002
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Comparasion of steel grades
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JUS
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-
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DIN
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39NiCrMo3
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BS
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-
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GOST
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-
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AISI
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-
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UNI
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-
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NF
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-
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Chemical analysis -% by mass
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Chemical elements
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C
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Si
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Mn
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P
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S
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Cr
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Mo
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Ni
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%, by mass
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0,35 - 0,43
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£ 0,40
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0,50 - 0,80
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max 0.025
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max 0,035
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0,60-1,00
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0,15-0,25
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0,70-1,00
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Permissible deviation
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± 0.02
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± 0,03
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± 0,04
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+ 0.005
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+ 0.005
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± 0.05
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± 0.03
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± 0.05
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Mechanical properties in the
quenchedand tempered condition
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d ≤ 16mm oder
t ≤ 8mm
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16mm < d ≤ 40mm
8mm < t ≤
20mm
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40mm < d ≤
100mm
20mm < t ≤
60mm
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100mm < d
≤ 160mm
60mm < t ≤
100mm
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160mm < d ≤
250mm
100mm < t
≤ 160mm
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Re min (MPa)
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785
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735
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685
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635
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540
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Rm (MPa)
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980-1180
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930-1130
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880-1080
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830-980
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740-880
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A min. (%)
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11
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11
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12
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12
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13
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Z min. (%)
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40
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40
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45
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50
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50
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KV min. (J)
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35
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35
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40
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40
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40
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Jominy’s hardenability band
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Distance in mm from quenched end
Hardness in HRC
(mm)
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mm
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1,5
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3
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5
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7
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9
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11
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13
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15
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20
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25
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30
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35
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40
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45
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50
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+H
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max.
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60
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60
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59
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58
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58
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57
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57
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56
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55
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52
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51
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49
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48
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46
|
45
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min.
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52
|
51
|
50
|
49
|
48
|
46
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44
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43
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39
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36
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34
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33
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32
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31
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30
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+HH*
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max.
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60
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60
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59
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58
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58
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57
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57
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56
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55
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52
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51
|
49
|
48
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46
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45
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min.
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55
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54
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53
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52
|
51
|
50
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48
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47
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44
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41
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40
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38
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37
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36
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35
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+HL*
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max.
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57
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57
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56
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55
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55
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53
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53
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52
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50
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47
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45
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44
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43
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41
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40
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min.
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52
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51
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50
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49
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48
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46
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44
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43
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39
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36
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34
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33
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32
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31
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30
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Heat treatment conditions –
informative
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Hardening temperature
in the end quench test
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Quenching temperature
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Quenching in
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Tempering temperature
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8500±50C
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830-850 0C
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Oil
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550-650 0C
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Maximum hardness for products to be
supplied in the ’’treated to improve shearability (+S)’’ or
’’soft annealed (+A)’’ condition
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+S
HB max.
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+A
HB max.
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Where the shearability is of
importance, this steel should be ordered in the ‘’soft-annealed’’ condition
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240
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Zeljezara Niksic - Niksic, Montenegro
Phone: (+382) 20 234-616, (+382) 40 202 900 | Fax: (+382) 40 202-023
 | Website: www.znksteel.com
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