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Chapter 13
Wrought Stainless Steels
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MECHANICAL PROPERTIES OF WROUGHT MARTENSITIC STAINLESS
STEELS
|
Product |
ASTM |
Heat Treat |
Tensile Strength |
Yield Strength |
|
|
Hardness |
|
Forma |
Specification |
Conditionb |
ksi |
MPa |
ksi |
MPa |
% El |
% RA |
max |
| Type
410 |
|
|
|
|
|
|
|
|
|
| (UNS
S41000) |
|
|
|
|
|
|
|
|
|
| B,
F |
A276, A473 |
A, HF |
70 |
485 |
40 |
275 |
20 |
45 |
--- |
| |
A 479 |
|
|
|
|
|
|
|
|
| B |
A 276 |
A, CF |
70 |
485 |
40 |
275 |
16 |
45 |
--- |
| B |
A 276 |
IT, HF |
100 |
690 |
80 |
550 |
15 |
45 |
--- |
| B |
A 276 |
IT, CF |
100 |
690 |
80 |
550 |
12 |
40 |
--- |
| B |
A 276 |
HT, HF, or CF |
120 |
825 |
90 |
620 |
12 |
40 |
--- |
| W |
A 580 |
A |
70 |
485 |
40 |
275 |
20 |
45 |
--- |
| W |
A 580 |
A, CF |
70 |
485 |
40 |
275 |
16 |
45 |
--- |
| W |
A
580 |
IT, CF |
100 |
690 |
80 |
550 |
12 |
40 |
--- |
| W |
A 580 |
HT, CF |
120 |
825 |
90 |
620 |
12 |
40 |
--- |
| P, Sh,
St |
A 176 |
A |
65 |
450 |
30 |
205 |
22e |
--- |
95 HRB |
| P, Sh,
St |
A 240 |
A |
65 |
450 |
30 |
205 |
20 |
--- |
95 HRB |
| Type
416 |
|
|
|
|
|
|
|
|
|
| (UNS
S41600) |
|
|
|
|
|
|
|
|
|
| F |
A 473 |
A |
70 |
485 |
40 |
275 |
20 |
20 |
--- |
| W |
A 581 |
A |
85-125 |
585-860 |
--- |
--- |
--- |
--- |
--- |
| W |
A 581 |
IT |
115-145 |
795-1000 |
--- |
--- |
--- |
--- |
--- |
| W |
A 581 |
HT |
140-175 |
965-1210 |
--- |
--- |
--- |
--- |
--- |
| Type
440A |
|
|
|
|
|
|
|
|
|
| (UNS S
44002) |
|
|
|
|
|
|
|
|
|
| B |
--- |
A |
105c |
725c |
60c |
415c |
20c |
--- |
95 HRBc |
| B |
--- |
Td |
260c |
1790c |
240c |
1650c |
5c |
20c |
51 HRCc |
| W |
A 580 |
A, CF |
140 max |
965 max |
--- |
--- |
--- |
--- |
--- |
|
Product |
ASTM |
Heat Treat |
Tensile Strength |
Yield Strength |
|
|
Hardness |
|
Forma |
Specification |
Conditionb |
ksi |
MPa |
ksi |
MPa |
% El |
% RA |
max |
| Type
440B |
|
|
|
|
|
|
|
|
|
| (UNS
S44003) |
|
|
|
|
|
|
|
|
|
| B |
--- |
A |
107c |
740c |
62c |
425c |
18c |
--- |
96 HRBc |
| B |
--- |
Td |
280c |
1790c |
270c |
1860c |
3c |
15c |
55 HRCc |
| W |
A 580 |
A, CF |
140 max |
965 max |
--- |
--- |
--- |
--- |
--- |
| Type
440C |
|
|
|
|
|
|
|
|
|
| (UNS
S44004) |
|
|
|
|
|
|
|
|
|
| B |
--- |
A |
110c |
760c |
65c |
450c |
14c |
--- |
97 HRBc |
| B |
--- |
Td |
285c |
1930c |
275c |
1900c |
2c |
10c |
57 HRCc |
| W |
A 580 |
A, CF |
140 max |
965 max |
--- |
--- |
--- |
--- |
--- |
| a.
B - bar; F - forging; P - plate; Sh - sheet; St - strip; W - wire. |
| b.
A - annealed; HF - hot finished; IT - intermediate temper; HT - hard temper. |
| c.
Typical values. |
| d.
Tempered at 600 F (315 C). |
| e.
20 % elongation for 0.050 in (1.3 mm) and under in thickness. |
| Single
values are minimums, except for hardness values that are maximums, unless
otherwise specified. |
| |
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