| ASTM A 128-90 |
|
Austenitic Manganese Steel Castings. |
| ASTM A 297-89 |
|
Heat-Resistant Iron-Chromium and Iron-Chromium-Nickel Steel Castings for General Application. |
| ASTM A 351-91a |
|
Austenitic, Austenitic-Ferritic (Duplex) Castings for Pressure-Containing Parts. |
| ASTM A 451-91 |
|
Centrifugally Cast Austenitic Steel Pipe for High-Temperature Service. |
| ASTM A 608-91a |
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Centrifugally Cast Iron-Chromium-Nickel High-Alloy Tubing For Pressure Application at High Temperatures. |
| ASTM A 743-91 |
|
Corrosion-Resistant Iron-Chromium, Iron-Chromium-Nickel Castings for General Application. |
| ASTM A 744-91 |
|
Corrosion-Resistant Iron-Chromium-Nickel Castings for Severe Service. |
AMC High Alloy Steels
| Specification |
Mechanical Properties-Minimum |
Chemical Composition % --
Maximum
(unless range is given) |
Specification
And
Grade |
Tensile
Strength
ksi |
Yield
Point
ksi |
Elong.
in 2"
% |
Red.
of
Area % |
C |
Mn |
P |
S |
Si |
Ni |
Cr |
Mo |
Other
Elements |
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ASTM
A128-93 |
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| A |
-- |
-- |
-- |
-- |
1.05-1.35 |
11 |
0.07 |
-- |
1 |
-- |
-- |
-- |
-- |
| |
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Min. |
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ASTM
A297-93 |
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| HC |
55 |
-- |
-- |
-- |
0.5 |
1 |
0.04 |
0.04 |
2 |
4 |
26.0-30.0 |
0.5 |
-- |
| HD |
75 |
35 |
8 |
-- |
0.5 |
1.5 |
0.04 |
0.04 |
2 |
4.0-7.0 |
26.0-30.0 |
0.5 |
-- |
| HE |
85 |
40 |
9 |
-- |
.20-.50 |
2 |
0.04 |
0.04 |
2 |
8.0-11.0 |
26.0-30.0 |
0.5 |
-- |
| HF |
70 |
35 |
25 |
-- |
.20-.40 |
2 |
0.04 |
0.04 |
2 |
8.0-12.0 |
18.0-23.0 |
0.5 |
-- |
| HH |
75 |
35 |
10 |
-- |
.20-.50 |
2 |
0.04 |
0.04 |
2 |
11.0-14.0 |
24.0-28.0 |
0.5 |
-- |
| HI |
70 |
35 |
10 |
-- |
.20-.50 |
2 |
0.04 |
0.04 |
2 |
14.0-18.0 |
26.0-30.0 |
0.5 |
-- |
| HK |
65 |
35 |
10 |
-- |
.20-.60 |
2 |
0.04 |
0.04 |
2 |
18.0-22.0 |
24.0-28.0 |
0.5 |
-- |
| HL |
65 |
35 |
10 |
-- |
.20-.60 |
2 |
0.04 |
0.04 |
2 |
18.0-22.0 |
28.0-32.0 |
0.5 |
-- |
| HN |
63 |
-- |
8 |
-- |
.20-.50 |
2 |
0.04 |
0.04 |
2 |
23.0-27.0 |
19.0-23.0 |
0.5 |
-- |
| HP |
62.5 |
34 |
4.5 |
-- |
.35-.75 |
2 |
0.04 |
0.04 |
2.5 |
33.0-37.0 |
24.0-28.0 |
0.5 |
-- |
| HT |
65 |
-- |
4 |
-- |
.35-.75 |
2 |
0.04 |
0.04 |
2.5 |
33.0-37.0 |
15.0-19.0 |
0.5 |
-- |
| HU |
65 |
-- |
4 |
-- |
.35-.75 |
2 |
0.04 |
0.04 |
2.5 |
37.0-41.0 |
17.0-21.0 |
0.5 |
-- |
| HW |
60 |
-- |
-- |
-- |
.35-.75 |
2 |
0.04 |
0.04 |
2.5 |
58.0-62.0 |
10.0-14.0 |
0.5 |
-- |
| HX |
60 |
-- |
-- |
-- |
.35-.75 |
2 |
0.04 |
0.04 |
2.5 |
64.0-68.0 |
15.0-19.0 |
0.5 |
-- |
| |
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Min. |
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ASTM
A351-94a |
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| CF3 |
70 |
30 |
35 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
2 |
8.0-12.0 |
17.0-21.0 |
0.5 |
-- |
| CF3A |
77 |
35 |
35 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
2 |
8.0-12.0 |
17.0-21.0 |
0.5 |
-- |
| CF8 |
70 |
30 |
35 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
18.0-21.0 |
0.5 |
-- |
| CF8A |
77 |
35 |
35 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
18.0-21.0 |
0.5 |
-- |
| CF3M |
70 |
30 |
30 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
17.0-21.0 |
2.0-3.0 |
-- |
| CF3MA |
80 |
37 |
30 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
17.0-21.0 |
2.0-3.0 |
-- |
| CF8M |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-12.0 |
18.0-21.0 |
2.0-3.0 |
-- |
| CF3MN |
75 |
37 |
35 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
17.0-21.0 |
2.0-3.0 |
N 0.10 - 0.20 |
| CF8C |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
0.5 |
Cb 1.00 Max,
C x 8 Min |
| CH8 |
65 |
28 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
1.5 |
12.0-15.0 |
22.0-26.0 |
0.5 |
-- |
| CH10 |
70 |
30 |
30 |
-- |
.04-.10 |
1.5 |
0.04 |
0.04 |
2 |
12.0-15.0 |
22.0-26.0 |
0.5 |
-- |
| CH20 |
70 |
30 |
30 |
-- |
.04-.20 |
1.5 |
0.04 |
0.04 |
2 |
12.0-15.0 |
22.0-26.0 |
0.5 |
-- |
| CK20 |
65 |
28 |
30 |
-- |
.04-.20 |
1.5 |
0.04 |
0.04 |
1.75 |
19.0-22.0 |
23.0-27.0 |
0.5 |
-- |
| HK30 |
65 |
35 |
10 |
-- |
.25-.35 |
1.5 |
0.04 |
0.04 |
1.75 |
19.0-22.0 |
23.0-27.0 |
0.5 |
-- |
| HK40 |
62 |
35 |
10 |
-- |
.35-.45 |
1.5 |
0.04 |
0.04 |
1.75 |
19.0-22.0 |
23.0-27.0 |
0.5 |
-- |
| HT30 |
65 |
28 |
15 |
-- |
.25-.35 |
2 |
0.04 |
0.04 |
2.5 |
33.0-37.0 |
13.0-17.0 |
0.5 |
-- |
| CF10MC |
70 |
30 |
20 |
-- |
0.1 |
1.5 |
0.04 |
0.04 |
1.5 |
13.0-16.0 |
15.0-18.0 |
1.75-2.25 |
Cb 1.20 Max, C x 10 Min |
| CN7M |
62 |
25 |
35 |
-- |
0.07 |
1.5 |
0.04 |
0.04 |
1.5 |
27.5-30.5 |
19.0-22.0 |
2.0-3.0 |
Cu 3.0-4.0 |
| CD4MCu |
100 |
70 |
16 |
-- |
0.04 |
1 |
0.04 |
0.04 |
1 |
4.75-6.00 |
24.5-26.5 |
1.75-2.25 |
Cu 2.75-3.25 |
| CG8M |
75 |
35 |
25 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
18.0-21.0 |
3.0-4.0 |
-- |
| |
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Min. |
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ASTM
A451-93 |
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| CPF3 |
70 |
30 |
35 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
2 |
8.0-12.0 |
17.0-21.0 |
-- |
-- |
| CPF3A |
77 |
35 |
35 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
2 |
8.0-12.0 |
17.0-21.0 |
-- |
-- |
| CPF8 |
70 |
30 |
35 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
18.0-21.0 |
-- |
-- |
| CPF8A |
77 |
35 |
35 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
18.0-21.0 |
-- |
-- |
| CPF3M |
70 |
30 |
30 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
17.0-21.0 |
2.0-3.0 |
-- |
| CPF8M |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-12.0 |
18.0-21.0 |
2.0-3.0 |
-- |
| CPF10MC |
70 |
30 |
20 |
-- |
0.1 |
1.5 |
0.04 |
0.04 |
1.5 |
13.0-16.0 |
15.0-18.0 |
1.75-2.25 |
Cb 1 Max,
C X 10 Min |
| CPF8C |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
-- |
Cb 1 Max,
C X 8 Min |
CPF8C
(Ta Max) |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
-- |
Cb 1 Max,
C X 8 Min
Ta .10 Max |
| CPH8 |
65 |
28 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
1.5 |
12.0-15.0 |
22.0-26.0 |
-- |
-- |
| CPH20 |
70 |
30 |
30 |
-- |
0.2 |
1.5 |
0.04 |
0.04 |
2 |
12.0-15.0 |
22.0-26.0 |
-- |
-- |
| CPH10 |
70 |
30 |
30 |
-- |
0.1 |
1.5 |
0.04 |
0.04 |
2 |
12.0-15.0 |
22.0-26.0 |
-- |
-- |
| CPK20 |
65 |
28 |
30 |
-- |
0.2 |
1.5 |
0.04 |
0.04 |
1.75 |
19.0-22.0 |
23.0-27.0 |
-- |
-- |
| |
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Min. |
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ASTM
A608-91a |
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| HC30 |
-- |
-- |
-- |
-- |
.25-.35 |
.5-1.0 |
0.04 |
0.04 |
.50-2.00 |
4 |
26-30 |
0.5 |
-- |
| HD50 |
-- |
-- |
-- |
-- |
.45-.55 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
4-7 |
26-30 |
0.5 |
-- |
| HE35 |
-- |
-- |
-- |
-- |
.30-.40 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
8-11 |
26-30 |
0.5 |
-- |
| HF30 |
-- |
-- |
-- |
-- |
.25-.35 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
9-12 |
19-23 |
0.5 |
-- |
| HH30 |
-- |
-- |
-- |
-- |
.25-.35 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
11-14 |
24-28 |
0.5 |
-- |
| HH33(a) |
-- |
-- |
-- |
-- |
.28-.38 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
12-14 |
24-26 |
0.5 |
-- |
| HI35 |
-- |
-- |
-- |
-- |
.30-.40 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
14-18 |
26-30 |
0.5 |
-- |
| HK30 |
-- |
-- |
-- |
-- |
.25-.35 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
19-22 |
23-27 |
0.5 |
-- |
| HK40 |
-- |
-- |
-- |
-- |
.35-.45 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
19-22 |
23-27 |
0.5 |
-- |
| HL30 |
-- |
-- |
-- |
-- |
.25-.35 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
18-22 |
28-32 |
0.5 |
-- |
| HL40 |
-- |
-- |
-- |
-- |
.35-.45 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
18-22 |
28-32 |
0.5 |
-- |
| HN40 |
-- |
-- |
-- |
-- |
.35-.45 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
23-27 |
19-23 |
0.5 |
-- |
| HT50 |
-- |
-- |
-- |
-- |
.40-.60 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
33-37 |
15-19 |
0.5 |
-- |
| HU50 |
-- |
-- |
-- |
-- |
.40-.60 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
37-41 |
17-21 |
0.5 |
-- |
| HW50 |
-- |
-- |
-- |
-- |
.40-.60 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
58-62 |
10-14 |
0.5 |
-- |
| HX50 |
-- |
-- |
-- |
-- |
.40-.60 |
1.5 |
0.04 |
0.04 |
.50-2.00 |
64-68 |
15-19 |
0.5 |
-- |
| |
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Min. |
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ASTM
A743-93a |
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| CF-8 |
70 |
30 |
35 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
18.0-21.0 |
-- |
-- |
| CG-12 |
70 |
28 |
35 |
-- |
0.12 |
1.5 |
0.04 |
0.04 |
2 |
10.0-13.0 |
20.0-23.0 |
-- |
-- |
| CF-20 |
70 |
30 |
30 |
-- |
0.2 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
18.0-21.0 |
-- |
-- |
| CF-8M |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
2.0-3.0 |
-- |
| CF-8C |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
-- |
-- |
| CF-16F |
70 |
30 |
25 |
-- |
0.16 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
-- |
-- |
| CH-10 |
70 |
30 |
30 |
-- |
0.1 |
1.5 |
0.04 |
0.04 |
2 |
12.0-15.0 |
22.0-26.0 |
-- |
-- |
| CH-20 |
70 |
30 |
30 |
-- |
0.2 |
1.5 |
0.04 |
0.04 |
2 |
12.0-15.0 |
22.0-26.0 |
-- |
-- |
| CK-20 |
65 |
28 |
30 |
-- |
0.2 |
2 |
0.04 |
0.04 |
2 |
19.0-22.0 |
23.0-27.0 |
-- |
-- |
| CE-30 |
80 |
40 |
10 |
-- |
0.3 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
26.0-30.0 |
-- |
-- |
| CA-15 |
90 |
65 |
18 |
30 |
0.15 |
1 |
0.04 |
0.04 |
1.5 |
1 |
11.5-14.0 |
0.5 |
-- |
| CA-15M |
90 |
65 |
18 |
30 |
0.15 |
1 |
0.04 |
0.04 |
0.65 |
1 |
11.5-14.0 |
.15-1.0 |
-- |
| CB-30 |
65 |
30 |
-- |
-- |
0.3 |
1 |
0.04 |
0.04 |
1.5 |
2 |
18.0-21.0 |
-- |
-- |
| CC-50 |
55 |
-- |
-- |
-- |
0.5 |
1 |
0.04 |
0.04 |
1.5 |
4 |
26.0-30.0 |
-- |
-- |
| CA-40 |
100 |
70 |
15 |
25 |
.20-.40 |
1 |
0.04 |
0.04 |
1.5 |
1 |
11.5-14.0 |
0.5 |
-- |
| CF-3 |
70 |
30 |
35 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
2 |
8.0-12.0 |
17.0-21.0 |
-- |
-- |
| CF-3M |
70 |
30 |
30 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
17.0-21.0 |
2.0-3.0 |
-- |
| CG-8M |
75 |
35 |
25 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
18.0-21.0 |
3.0-4.0 |
-- |
| CN-7M |
62 |
25 |
35 |
-- |
0.07 |
1.5 |
0.04 |
0.04 |
1.5 |
27.5-30.5 |
19.0-22.0 |
2.0-3.0 |
Cu 3.0-4.0 |
| CA-6NM |
110 |
80 |
15 |
35 |
0.06 |
1 |
0.04 |
0.03 |
1 |
3.5-4.5 |
11.5-14.0 |
.40-1.0 |
-- |
| CD-4MCu |
100 |
70 |
16 |
-- |
0.04 |
1 |
0.04 |
0.04 |
1 |
4.75-6.00 |
24.5-26.5 |
1.75-2.25 |
Cu 2.75-3.25 |
| CA-6N |
140 |
135 |
15 |
50 |
0.06 |
0.5 |
0.02 |
0.02 |
1 |
6.0-8.0 |
10.5-12.5 |
-- |
-- |
| |
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|
Min. |
|
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|
ASTM
A744-94 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| CF-8 |
70 |
30 |
35 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
8.0-11.0 |
18.0-21.0 |
-- |
-- |
| CF-8M |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
2.0-3.0 |
-- |
| CF-8C |
70 |
30 |
30 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
2 |
9.0-12.0 |
18.0-21.0 |
-- |
-- |
| CF-3 |
70 |
30 |
35 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
2 |
8.0-12.0 |
17.0-21.0 |
-- |
-- |
| CF-3M |
70 |
30 |
30 |
-- |
0.03 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
17.0-21.0 |
2.0-3.0 |
-- |
| CG-8M |
75 |
35 |
25 |
-- |
0.08 |
1.5 |
0.04 |
0.04 |
1.5 |
9.0-13.0 |
18.0-21.0 |
3.0-4.0 |
-- |
| CN-7M |
62 |
25 |
35 |
-- |
0.07 |
1.5 |
0.04 |
0.04 |
1.5 |
27.5-30.5 |
19.0-22.0 |
2.0-3.0 |
Cu 3.0-4.0 |
| CD-4MCu |
100 |
70 |
16 |
-- |
0.04 |
1 |
0.04 |
0.04 |
1 |
4.75-6.00 |
24.5-26.5 |
1.75-2.25 |
Cu 2.75-3.25 |
Notes:
The latest revision of a specification shall take precedence in which case the chemical composition may vary from that shown above.
See the Annual Book of ASTM Standards, Section 1, Volume 01.01 and 01.02 for complete details of the specifications.
AMERICAN also produces material to other ASTM specifications such as A747.
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