Chemical Composition
C
Mn
Si
S
P
Cr
Ni
Mo
EN-8
.35 to .45
.60 to 1.00
.10 to .35
.050 MAX
.050 MAX
-
-
-
EN-8D
.40 to .45
.70 to .90
.05 to .35
.060 MAX
.060 MAX
-
-
-
EN-9
.50 to .60
.50 to .80
.05 to .35
.040 MAX
.040 MAX
-
-
-
EN-15
.30 to .40
1.30 to 1.70
.10 to .35
.040 MAX
.040 MAX
-
-
-
EN-16
.30 to .40
1.30 to 1.80
.10 to .35
.040
.040
-
-
.20 to .30
EN-18
.35 to .45
.60 to .95
.10 to .35
.040
.040
.85 to 1.15
-
-
EN-19
.35 to .45
.50 to .80
.10 to .35
.040
.040
.90 - 1.40
-
.20 to .40
EN-24
.35 to .45
.45 to .70
.10 to .35
.040
.040
.90 to 1.40
1.30 to 1.80
.20 to .40
EN-25
.27 to .35
.50 to .70
.10 to .35
.040
.040
.50 to .80
2.30 to 2.80
.40 to .70
EN-31
.90 to 1.20
.30 to .75
.10 to .35
.040
.040
1.00 to 1.60
-
-
EN-36B
.12 to .18
.30 to .60
.10 to .35
.040
.040
.60 to 1.10
3.00 to 3.75
EN-36C
.12 to .18
.30 to .60
.10 to .35
.040
.040
.60 to 1.10
3.00 to 3.75
.10 to .25
EN - 41B*
.35 to .45
.60 MAX
.10 to .45
.040
.040
1.50 to 1.80
.40 MAX
.10 to .25
EN - 42
.70 to .85
.55 to .75
.10 to .40
.040
.040
-
-
-
EN - 45A
.55 to .65
.70 to 1.00
1.70 to 2.0
.040
.040
-
-
-
EN - 47
.45 to .55
.50 to .80
.50 MAX
.040
.040
.80 to 1.20
-
-
EN - 48A
.50 to .60
.60 to .90
1.35 - 1.65
.040
.040
.55 to .85
-
-
EN - 353
.20 MAX
.50 to 1.00
.35 MAX
.040
.040
.75 to 1.25
1.00 to 1.50
.08 to .15
EN - 354
.20 MAX
.50 to 1.00
.35 MAX
.040
.040
.75 to 1.25
1.50 to 2.0
.10 to .20
16Mncr5
.14 to .19
1.00 to 1.30
.15 to .40
.035 MAX
.035 MAX
.80 to 1.10
-
-
20Mncr5
.17 to .22
1.10 to 1.40
.10 to .35
.035
.035
1.00 to 1.30
-
-
SAE - 4140
.38 to .43
.75 to 1.00
.20 to .35
.035
.035
.80 to 1.10
.15 to .25
-
SAE - 4150
.48 to .53
.75 to 1.00
.20 to .35
.040
.040
.80 to 1.10
-
.15 to .25
SAE -4320
.17 to .22
.45 to .65
.15 to .35
.035 MAX
.040 MAX
.40 to .60
1.65 to 2.00
.20 to .30
SAE -4340
.38 to .43
.60 to .80
.15 to .35
.035 MAX
.040 MAX
.70 to .90
1.65 to 2.00
.20 to .30
SAE - 8620
.18 to .23
.70 to .90
.20 to .35
.040
.040
.40 to .60
.40 to .70
.15 to .25
SAE - 52100
.95 to 1.10
.25 to .40
.20 to .35
.025
.025
1.30 to 1.60
-
-
F-22
.15 MAX
.30 to .60
.40 MAX
.040
.040
2.00 to 2.5
-
.87 to 1.30
17crnimo6
.14 to .19
.40 to .60
.15 to .40
.035 MAX
.035 MAX
1.50 to 1.80
1.40 to 1.70
.25 to .35
A-105
.35 MAX
.60 to 1.05
.35 MAX
.050 MAX
.040 MAX
-
-
-
LF-2
.30 MAX
.60 to 1.35
.15 to .30
.040 MAX
.035 MAX
-
-
-
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