| ASTM STEEL SPECIFICATION FOR ANSI, ASME, ASA FLANGES |
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ASTM |
Grade |
Classifi-
Cation |
CHEMICAL COMPOSITION |
MECHANICAL PROPERTIES |
C
% |
Mn
% |
P
Max
%
|
S
Max
% |
Si
% |
Ni
% |
Cr
% |
Mo
% |
T.S. Min
psi
(kg/mm2) |
Y.S. Min
psi
(kg/mm2) |
EL.
Min.
% |
Red
Min.
% |
HB |
A-105* |
|
Carbon steel |
MAX 0.35 |
0.60 ~ 1.05 |
0.04 |
0.05 |
MAX 0.35 |
MAX 0.40 |
MAX 0.30 |
MAX 0.12 |
70,000 (49.2) |
36,000 (25.3) |
22 |
30 |
MAX 187 |
A-181 |
60 |
Carbon steel |
MAX 0.35 |
MAX 0.90 |
0.05 |
0.05 |
MAX 0.35 |
- |
- |
- |
60,000 (42.2) |
36,000 (21.1) |
22 |
35 |
- |
A-181 |
70 |
Carbon steel |
MAX 0.35 |
MAX 0.90 |
0.05 |
0.05 |
MAX 0.35 |
- |
- |
- |
70,000 (49.2) |
36,000 (25.3) |
18 |
24 |
- |
A-182 |
F1 |
1/2Mo |
MAX 0.28 |
0.6 ~ 0.90 |
0.045 |
0.045 |
0.15 ~ 0.35 |
- |
- |
0.44 ~ 0.65 |
70,000 (49.2) |
40,000 (28.1) |
20 |
30 |
143 ~ 192 |
A-182 |
F5 |
5Cr - 1/2Mo |
MAX 0.15 |
0.30 ~ 0.60 |
0.03 |
0.03 |
MAX 0.50 |
MAX 0.50 |
4.0 ~ 6.0 |
0.44 ~ 0.65 |
70,000 (49.2) |
40,000 (28.1) |
20 |
35 |
143 ~ 217 |
A-182 |
F5a |
5Cr - 1/2Mo |
MAX 0.25 |
MAX 0.6 |
0.04 |
0.03 |
MAX 0.50 |
MAX 0.50 |
4.0 ~ 6.0 |
0.44 ~ 0.65 |
90,000 (63.3) |
65,000 (45.7) |
22 |
50 |
187 ~ 248 |
A-182 |
F11-1 |
1/4Cr - 1/2Mo |
0.05 ~ 0.15 |
0.30 ~ 0.60 |
0.03 |
0.03 |
0.50 ~ 1.00 |
- |
1.00 ~ 1.50 |
0.44 ~ 0.65 |
60,000 (42.2) |
30,000 (21.1) |
20 |
45 |
121 ~ 174 |
A-182 |
F11-2 |
1/4Cr - 1/2Mo |
0.10 ~ 0.20 |
0.30 ~ 0.80 |
0.04 |
0.04 |
0.50 ~ 1.00 |
- |
1.00 ~ 1.50 |
0.44 ~ 0.65 |
70,000 (49.2) |
40,000 (28.1) |
20 |
30 |
143 ~ 207 |
A-182 |
F11-3 |
1/4Cr - 1/2Mo |
0.10 ~ 0.20 |
0.30 ~ 0.80 |
0.04 |
0.04 |
0.50 ~ 1.00 |
- |
1.00 ~ 1.50 |
0.44 ~ 0.65 |
75,000 (52.7) |
45,000 (31.6) |
20 |
30 |
156 ~ 207 |
A-182 |
F12-1 |
1Cr - 1/2Mo |
0.05 ~ 0.15 |
0.30 ~ 0.60 |
0.045 |
0.045 |
MAX 0.50 |
- |
0.80 ~ 1.25 |
0.44 ~ 0.65 |
60,000 (42.2) |
30,000 (21.1) |
20 |
45 |
121 ~ 174 |
A-182 |
F12-2 |
1Cr - 1/2Mo |
0.10 ~ 0.20 |
0.30 ~ 0.80 |
0.04 |
0.04 |
0.10 ~ 0.60 |
- |
0.80 ~ 1.25 |
0.44 ~ 0.65 |
70,000 (49.2) |
40,000 (28.1) |
20 |
30 |
143 ~ 207 |
A-182 |
F11 |
1-1/4Cr - 1/2Mo |
0.10 ~ 0.20 |
0.30 ~ 0.60 |
0.04 |
0.04 |
0.5 ~ 1.00 |
- |
1.00 ~ 1.50 |
0.44 ~ 0.65 |
70,000 (49.2) |
40,000 (28.1) |
20 |
30 |
143 ~ 207 |
A-182 |
F12 |
1Cr - 1/2Mo |
0.10 ~ 0.20 |
0.30 ~ 0.80 |
0.04 |
0.04 |
0.1 ~ 0.6 |
- |
0.80 ~ 1.25 |
0.44 ~ 0.65 |
70,000 (49.2) |
40,000 (28.1) |
20 |
30 |
143 ~ 207 |
A-182 |
F22 |
2-1/4Cr - 1Mo |
MAX 0.15 |
0.30 ~ 0.60 |
0.04 |
0.04 |
MAX 0.50 |
- |
2.00 ~ 2.50 |
0.87 ~ 1.13 |
75,000 (52.7) |
45,000 (31.6) |
20 |
30 |
156 ~ 207 |
A-182 |
F304 |
18Cr - 8 Ni |
MAX 0.08 |
MAX 2.00 |
0.04 |
0.03 |
MAX 1.00 |
8.00 ~ 11.00 |
18.00 ~ 20.00 |
- |
75,000 (52.7) |
30,000 (21.1) |
30 |
50 |
- |
A-182 |
F304L |
18Cr - 8 Ni Low |
MAX 0.035 |
MAX 2.00 |
0.04 |
0.03 |
MAX 1.00 |
8.00 ~ 13.00 |
18.00 ~ 20.00 |
- |
70,000 (49.2) |
25,000 (17.6) |
30 |
50 |
- |
A-182 |
F316 |
18Cr - 8 Ni Mo |
MAX 0.08 |
MAX 2.00 |
0.04 |
0.03 |
MAX 1.00 |
8.00 ~ 14.00 |
16.00 ~ 18.00 |
2.00 ~ 3.00 |
75,000 (52.7) |
30,000 (21.7) |
30 |
50 |
- |
A-182 |
F316L |
18Cr - 8 Ni Mo - Low |
MAX 0.035 |
MAX 2.00 |
0.04 |
0.03 |
MAX 1.00 |
10.00 ~ 15.00 |
16.00 ~ 18.00 |
2.00 ~ 3.00 |
65,000 (45.7) |
25,000 (17.6) |
30 |
50 |
- |
A-182 |
F321 |
18Cr - 8 Ni Ti |
MAX 0.08 |
MAX 2.00 |
0.03 |
0.03 |
MAX 1.00 |
9.00 ~ 12.00 |
Min 17.00 |
- |
75,000 (52.7) |
30,000 (21.1) |
30 |
50 |
- |
A-182 |
F347 |
18Cr - 8 Ni Cb |
MAX 0.08 |
MAX 2.00 |
0.03 |
0.03 |
MAX 1.00 |
9.00 ~ 13.00 |
17.00 ~ 20.00 |
- |
75,000 (52.7) |
30,000 (21.1) |
30 |
50 |
- |
A-350* |
LF1 |
Carbon Steel |
MAX 0.30 |
0.75 ~ 1.05 |
0.035 |
0.04 |
0.15 ~ 0.30 |
MAX 0.40 |
MAX 0.30 |
MAX 0.12 |
60,000 ~ 85,000 (42.2~59.7) |
30,000 (21.1) |
25 |
38 |
- |
A-350* |
LF2 |
Carbon Steel |
MAX 0.30 |
MAX 1.35 |
0.035 |
0.04 |
0.15 ~ 0.30 |
MAX 0.40 |
MAX 0.30 |
MAX 0.12 |
70,000 ~ 95,000 (49.2~66.8) |
36,000 (25.3) |
22 |
30 |
- |
A-350* |
LF3 |
3-1/2Ni |
MAX 0.20 |
MAX 0.90 |
0.035 |
0.04 |
0.20 ~ 0.35 |
3.25 ~ 3.75 |
MAX 0.30 |
MAX 0.12 |
70,000 ~ 95,000 (49.2~66.8) |
37,500 (26.4) |
22 |
35 |
- |
NOTE:
1. OTHER ELEMENTS : copper (0.40% MAX), Vanadium (0.03% MAX), Columbium (0.02% MAX.)
2. The sum of Cu, Ni, Cr and Mo shall not be exceed 1.00%
3. The sum of Cr and Mo shall not be exceed 0.32%
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