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Specifications
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CHEMICAL& MECHANICAL PROPERTIES OF
VARIOUS GRADES OF STAINLESS STEEL
CHEMICAL COMPOSITION REQUIREMENTS, %1
| Austenitic ( Chromium-Manganese - Nickel
) |
| UNS
Desig-nation2 |
Type3 |
Carbon4 |
Manganese |
Phosphorus |
Sulfur |
Silicon |
Chromium |
Nickel |
Molybdenum |
Nitrogen |
Copper |
Other Elements |
| S30400 |
304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-10.5 |
- |
8.0-10.5 |
- |
- |
| S30403 |
304L |
0.030 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-12.0 |
- |
0.10 |
- |
- |
| S31600 |
316 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
0.10 |
- |
- |
| S31603 |
316L |
0.03 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
0.10 |
- |
- |
| S31635 |
316Ti5 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
0.10 |
- |
Ti 5 X (C+N) min, 0.70
max |
| S31703 |
317L |
0.03 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
11.0-15.0 |
3.0-4.0 |
0.10 |
- |
- |
| S32100 |
321 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
17.0-19.0 |
9.0-12.0 |
- |
0.10 |
- |
Ti 5 X ( C+N )min, 0.70
max |
| S34700 |
347 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
17.0-19.0 |
9.0-13.0 |
- |
- |
- |
Cb 10 X C in, 1.00 max |
| Ferritic or Martensitic
( chromium ) |
| S41008 |
410S |
0.08 |
1.00 |
0.040 |
0.030 |
1.00 |
12.0-13.0 |
0.50 |
- |
0.10 |
- |
- |
| 1 - Maximum,
unless range or minimum is indicated |
| 2 - Designation
established in accordance with Practice E 527 and SAE
J 1086. |
| 3 - Unless
otherwise indicated, a grade designation originally assigned
by the American Iron and Steel Institute ( AISI ) |
| 4 - Carbon
analysis shall be reported to nearest 0.01% except for
the low - carbon |
| 5 -
Common name, not a trademark, widely used, not associated
with any one producer. |
MECHANICAL TEST REQUIREMENTS
| Austenitic ( Chromium - Nickel ) ( Chromium-Manganese-Nickel
) |
| UNS
Designation |
Type1 |
Tensile
Strength, min |
Yield Strength2,
min |
*Elongation
% |
Hardness, max3
|
Rockwell |
Cold
Bendo
4 |
|
ksi |
MPa |
ksi |
MPa |
Brinell
|
| S30100 |
301 |
75 |
515 |
30 |
205 |
40.0 |
217 |
95 |
|
| S30400 |
304 |
75 |
515 |
30 |
205 |
40.0 |
201 |
92 |
|
| S30403 |
304L |
75 |
485 |
25 |
170 |
40.0 |
201 |
92 |
|
| S31600 |
316 |
70 |
515 |
30 |
205 |
40.0 |
217 |
95 |
|
| S31603 |
316L |
75 |
485 |
25 |
170 |
40.0 |
217 |
95 |
|
| S31635 |
316Ti 6 |
75 |
515 |
30 |
205 |
40.0 |
217 |
95 |
|
| S31703 |
317L |
75 |
515 |
30 |
205 |
40.0 |
217 |
95 |
|
| S32100 |
321 |
75 |
515 |
30 |
205 |
40.0 |
217 |
95 |
|
| Ferritic or Martensitic ( Chromium ) |
| S41008 |
410S |
60 |
415 |
30 |
205 |
22.0 |
183 |
89 |
180 |
| 1 -
Unless otherwise indicated, a grade designation originally
assigned by the American Iron and Steel Institute (AISI
) |
| 2 - Yield
strength shall be determined by the offset method at 0.02%
in accordance with Test Methods and Definitions |
| 3 - Either
Brinell or Rockwell B Hardness is permissible |
| 4 - Bend
Tests are not required for chromium steels ( ferritic
or martensitic ) thicker that 1 in ( 25mm ) or forany
austenitic or duplex ( austenitic-ferritic
) stainless teels regardless of thickness. |
| 5 - Elongation
for thickness, less than 0.015 in ( 0.38 mm ) shall be
20% minimum in 1 in ( 25.4 mm ) |
| 6 - Common
name, not a trademark, widely used not associated with
any one producer. |
| * -
Elongation in 2 inches or 50 mm, minimum % |
SOURCE -
Annual Book of ASTM Standards - Iron and Steel Products- 2001
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