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Chapter 5
Carbon & Alloy Steel Castings
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MECHANICAL PROPERTIES
OF ALLOY STEEL CASTINGS FOR STRUCTURAL PURPOSES
|
ASTM A 148 |
Tensile Strength |
Yield Strength |
|
|
|
Grade |
ksi |
MPa |
ksi |
MPa |
% Elongation |
% R A |
|
115-95 |
115 |
795 |
95 |
655 |
14 |
30 |
|
135-125 |
135 |
930 |
125 |
860 |
9 |
22 |
|
150-135 |
150 |
1035 |
135 |
930 |
7 |
18 |
|
160-145 |
160 |
1105 |
145 |
1000 |
6 |
12 |
|
165-150 |
165 |
1140 |
150 |
1035 |
5 |
20 |
|
165-150L |
165 |
1140 |
150 |
1035 |
5 |
20 |
|
210-180 |
210 |
1450 |
180 |
1240 |
4 |
15 |
|
210-180L |
210 |
1450 |
180 |
1240 |
4 |
15 |
|
260-210 |
260 |
1795 |
210 |
1450 |
3 |
6 |
|
260-210L |
260 |
1795 |
210 |
1450 |
3 |
6 |
|
Single values are minimums, unless otherwise specified. |
MECHANICAL PROPERTIES OF ALLOY
STEEL CASTINGS FOR PRESSURE CONTAINING PARTS
|
ASTM A 217 |
Tensile Strength |
Yield Strength |
|
|
|
Grade |
ksi |
MPa |
ksi |
MPa |
% Elongation |
% R A |
|
WC1 |
65-90 |
450-620 |
35 |
240 |
24 |
35 |
|
WC4 |
70-95 |
485-655 |
40 |
27 5 |
20 |
35 |
|
WC5 |
70-95 |
485-655 |
40 |
275 |
20 |
35 |
|
WC6 |
70-95 |
485-655 |
40 |
275 |
20 |
35 |
|
WC9 |
70-95 |
485-655 |
40 |
275 |
20 |
35 |
|
WC11 |
80-105 |
550-725 |
50 |
345 |
18 |
45 |
|
C5 |
90-115 |
620-795 |
60 |
415 |
18 |
35 |
|
C12 |
90-115 |
620-795 |
60 |
415 |
18 |
35 |
|
Single values are minimums,
unless otherwise specified. |
MECHANICAL PROPERTIES OF ALLOY STEEL CASTINGS FOR PRESSURE CONTAINING/LOW
TEMPERATURE SERVICE
|
ASTM A 352 |
Tensile Strength |
Yield Strength |
|
|
Charpy |
|
Grade |
ksi |
MPa |
ksi |
MPa |
% El |
% R A |
ft-lb (J) @ Temp F (C)a |
| LC1 |
65-90 |
450-820 |
35 |
240 |
24 |
35 |
13 (18) / 10 (14) @ -75 (-59) |
| LC2 |
70-95 |
485-655 |
40 |
275 |
24 |
35 |
15 (20) / 12 (16) @ -100 (-73) |
| LC2-1 |
105-130 |
725-895 |
80 |
550 |
18 |
30 |
30 (41) / 25 (34) @ -100 (-73) |
| LC3 |
70-95 |
485-655 |
40 |
275 |
24 |
35 |
15 (20) / 12 (16) @ -150 (-101) |
| LC4 |
70-95 |
485-655 |
40 |
275 |
24 |
35 |
15 (20) / 12 (16) @ -175 (-115) |
|
a. Energy value ft-lb (J) minimum value for two specimens and minimum
average for three specimens, followed by energy value ft-lb (J) |
|
minimum for single specimen. Single values are minimums, unless otherwise
specified. |
MECHANICAL PROPERTIES OF ALLOY
STEEL CASTINGS FOR PRESSURE SERVICE
|
ASTM A 487 |
Tensile Strength |
Yield Strength |
|
|
|
Grade Classa |
ksi |
MPa |
ksi |
MPa |
% El |
% R A |
|
1A, (NT) |
85-110 |
585-760 |
55 |
380 |
22 |
40 |
|
2B, (QT) |
90-115 |
620-795 |
65 |
450 |
22 |
45 |
|
1C, (NT or QT) |
90 |
620 |
65 |
450 |
22 |
45 |
|
2A, (NT) |
85-110 |
585-760 |
53 |
365 |
22 |
35 |
|
2B, (QT) |
90-115 |
620-795 |
65 |
450 |
22 |
40 |
|
2C, (QT) |
90 |
620 |
65 |
450 |
22 |
40 |
|
4A, (NT or QT) |
90-115 |
620-785 |
60 |
415 |
20 |
40 |
|
4B, (QT) |
105-130 |
725-895 |
85 |
585 |
17 |
35 |
|
4C, (NT or QT) |
90 |
620 |
60 |
415 |
20 |
40 |
|
4D, (QT) |
100 |
690 |
75 |
515 |
17 |
35 |
|
4E, (QT) |
115 |
795 |
95 |
655 |
15 |
35 |
|
6A, (NT) |
115 |
795 |
80 |
550 |
18 |
30 |
|
6B, (QT) |
120 |
825 |
95 |
655 |
15 |
35 |
|
7A, (QT) |
115 |
795 |
100 |
690 |
15 |
30 |
|
8A, (NT) |
85-110 |
585-760 |
55 |
380 |
20 |
35 |
|
8B, (QT) |
105 |
725 |
85 |
585 |
17 |
30 |
|
8C, (QT) |
100 |
690 |
75 |
515 |
17 |
35 |
|
9A, (NT or QT) |
90 |
620 |
60 |
415 |
18 |
35 |
|
9B, (QT) |
105 |
725 |
85 |
585 |
16 |
35 |
|
9C, (NT or QT) |
90 |
620 |
60 |
415 |
18 |
35 |
|
9D, (QT) |
100 |
690 |
75 |
515 |
17 |
35 |
|
10A, (NT) |
100 |
690 |
70 |
485 |
18 |
35 |
|
10B, (QT) |
125 |
860 |
100 |
690 |
15 |
35 |
|
11A, (NT) |
70-95 |
585-655 |
40 |
275 |
20 |
35 |
|
11B, (QT) |
105-130 |
725-895 |
85 |
585 |
17 |
35 |
|
12A, (NT) |
70-95 |
485-655 |
40 |
275 |
20 |
35 |
|
12B, (QT) |
105-130 |
725-895 |
85 |
585 |
17 |
35 |
|
13A, (NT) |
90-115 |
620-795 |
60 |
415 |
18 |
35 |
|
13B, (QT) |
105-130 |
725-895 |
85 |
585 |
17 |
35 |
|
14A, (QT) |
120-145 |
825-1000 |
95 |
655 |
14 |
30 |
|
16A, (NT)b |
70-95 |
485-655 |
40 |
275 |
22 |
35 |
|
a. Conditions: NT - normalized & tempered; QT - quenched & tempered.
b. Low carbon grade with double austenitization. |
|
Single values are minimums, unless otherwise specified. |
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