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A-2 ASTM A-597, GR. CA-2 RC55 Best Fair to Poor Good Good 85 B B B
A-6 IC CA-6 RC55 Best Fair to Poor Good Fair 80 B B B
D-2 ASTM A-597, GR. CD-2 RC60 Best Poor Very Good Good 85 B B C
D-3 IC CD-3 RC60 Very Good Poor Very Good Good 85 B B C
D-6 IC CD-6 RC61 Very Good Poor Very Good Good 80 B B C
H-11 IC CH-11 RC52 Very Good Poor Fair Good 80 B B B
H-13 ASTM A-597, GR. CH-13 RC50 Very Good Fair Fair Good 85 B B B
L-6 IC CL-6 RC62 Good Fair Poor Poor 80 B B B
M-2 ASTM A-597, GR. CM-2 RC63 Fair Poor Very Good Very Good 80 C B B
M-4 IC CM-4 RC64 Fair Poor Best Very Good 75 C B B
M-42 IC CM-42 RC68 Fair Poor Very Good Best 75 B B B
O-1 ASTM A-597, GR. CO-1 RC60 Very Good Fair to Poor Fair Poor 80 B A B
O-2 IC CO-2 RC60 Very Good Fair to Poor Fair Poor 80 B A B
O-7 IC CO-7 RC62 Very Good Fair to Poor Fair Poor 80 B A B
S-1 IC CS-1 RC50 Fair Good Poor Fair 90 B B B
S-2 IC CS-2 RC56 Poor Good Poor Poor 90 B B B
S-4 IC CS-4 RC56 Poor Good Poor Poor 90 B B B
S-5 ASTM A-597, GR. CS-5 RC58 Fair Good Poor Poor 90 B B B
S-7 ASTM A-597, GR. CS-7 RC58 Fair Good Poor Poor 90 B B B
T-1 IC CT-1 RC63 Fair Poor Very Good Very Good 85 C A B
Casta
bility
Fluidi
ty
Shrin
kage
Resis
tance
toHo
t Tea
ring
AlloyType
Approx.TemperedHardness
Distortionin HeatTesting
Resistance toSoftening atHigh HeatToughness
WearResistance
SimilarDestinations Carb
on
Mangan
ese
Silicon
Chromium
Molybden
um
Nickel
Tungste
n
Cobalt
Phosphorous
Sulfer
Vanad
ium
Iron
Copper
Aluminum
ZincTita
nium
Magnesi
um
Bal..20 .50 0.03 0.03 .90
1.404.75 5.50 1.50 0.75
.95 1.05
Bal. 0.0250.025 .801.30
.801.201.001.80
2.20.65.75
Bal..401.000.030.03.70
1.00.701.20
11.013.01.501.00
1.401.60
Bal. 0.0250.0250.4011.513.01.000.75
2.102.30
Bal. 0.0250.025.801.200.40 11.5
13.0.801.200.75
2.102.35
Bal..30.500.0250.0251.20
1.604.605.60
.951.150.75
.30
.40
Bal..751.200.030.031.25
1.754.755.751.500.75
.30
.42
Bal. 0.0250.0251.501.90
.801.001.000.75
.65
.75
Bal.1.252.200.030.030.255.50
6.750.254.505.50
3.754.501.000.75
.78
.88
Bal.3.604.400.0250.0255.20
6.204.505.50
3.754.501.000.75
1.251.35
Bal..951.350.0250.0257.50
8.501.251.75
9.010.0
3.504.251.000.75
1.001.20
Bal.0.300.030.03.40.60
.401.001.501.00
1.30.851.00
Bal.0.300.0250.0250.300.401.001.501.80
.85
.95
Bal..15.250.0250.0251.65
1.85.50.701.000.75
1.101.20
Bal. 0.0250.0252.352.65
1.351.651.000.75
.45
.55
Bal.0.300.0250.025.40.60
.901.200.75
.45
.55
Bal.0.300.0250.0250.301.802.20
.70
.90.50.60
Bal.0.350.030.03.20.800.351.75
2.25.601.00
.50
.60
Bal. 0.030.031.201.60
3.003.50
.601.00
.40
.80.45.55
Bal..901.300.0250.02517.25
18.753.754.501.000.75
.65
.75
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