Material Selection Guide
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Quality Shell Molded Steel Castings – Material Selection Guide Carbon & Low Alloy Steels (includes wear resistant and low temperature service) Steel Casting Specs ASTM
Nominal Chemical Compositi Composition on
Minimum Mechanical Propert Properties ies
AISI/ SAE 1018 1020 10 1025
C
Mn
Si
Ni
Cr
Mo
TS, ksi
YS, ksi
EL, %
RA, %
B hn
.20
.65
.65
–
–
–
.25
. 65 .6
.65
–
–
–
60, 65 70
30, 35 36
22, 24 22
30, 35 30
1025M
.26
0 .90 0.
.50
–
–
–
1030, 1035, 1040 1025M
..3 30 .35 .40 .28
.65 .75 .80 1.10
.65 .65 .65 .55
–
–
–
80 80 80 90
40 50 50 60
18 22 22 20
30 35 35 40
137192 143192 163197 187241
90
60
20
40
A148 Gr 105-85 A487 4A A148, A487 9A-E 4140
1020M
.23
1.35 1.
.50
–
–
.10
4130/ 4135 4140
.30.35 .40
.50
.50
–
.90
.18
.50
.50
–
.90
.18
A148, A487 4A-E A148, A487 4A-E A148 Gr 120-100, Replaces 8630 Induction Hardening Wear Resistant
86208630 86358640 1330M
.20 .30 .35.40 .27
.80 .80 .80
.50 .50 .50
.50 .50 .50
.50 .50 .50
.18 .18 .18
1 .65 1.
.55
–
–
.15
1335
.35
1.75
.55
–
–
–
EX34
.30
1 .0 1.
.50
–
.50
.18
Wear Resistant
4130M
.30
. 80 .8
.50
–
.80
.18 .1
Wear Resistant
1327
.27
1.75
.55
–
–
–
A27, A216 WCA A27, Gr 70-40 A216 WCB A27, A352 LCB A148 Gr 80-50 A148 Medium Carbon A148 Gr 90-60
197241 105 85 17 35 223269 90-115 60-95 15-18 35 241302 90-115 60-95 15-18 35 241302 90-135 60-115 9-18 22-40 241 311 90-135 60-95 15-18 35-40 241311 120 100 13 25 255321 Can meet Rc 50 minimum at 2mm deep 285 and Rc 40 minimum down to 7mm deep. max – – – – 341415– – – – 415514 – – – – 3 4134 514
Heat Treatment N N N, NT, QT QT N, NT, QT N, NT, QT QT QT N, NT, QT N, NT, OQT N, NT, QT N, NT, OQT QT N, As supplied
QT QT QT
High Alloy – Corrosion and Heat Resistant Steel Casting Specs
Nominal Chemical Compositio Composition n
ASTM
AISI/SAE
C
Mn
A279 HF-HT A351 A351 A217 A487
302, 310 varies see 330 CF8 .08 1.50 CF8M .08 1.50 CA15 .10 1.00
Minimum Mechanica Mechanicall Properties
Si
Ni
Cr
Mo
TS, ksi
YS, ksi
EL, %
RA, %
spec
–
–
–
–
–
–
2.00 .1.50 1.50
8-11 9-12 –
18-21 18-21 11.5 14
.50 2-3 –
– – –
– – –
– – –
Modifications and Special Grades Can Be Made To Your Your Specifications.
–
Avg Bhn Bhn –
Heat Tre reat atme ment nt None or Q
– – –
––207
Q Q Annealed
