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Stainless Steel grades
Contact nowType 304
Chemistry
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
|
304 |
min. max. |
- 0.08 |
- 2.0 |
- 0.75 |
- 0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 10.5 |
- 0.10 |
|
|
min. max. |
- 0.030 |
- 2.0 |
- 0.75 |
- 0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 12.0 |
- 0.10 |
|
304H |
min. max. |
0.04 0.10 |
- 2.0 |
- 0.75 |
-0.045 |
- 0.030 |
18.0 20.0 |
- |
8.0 10.5 |
- |
Mechanical Properties
Table 2. Mechanical properties of 304 grade stainless steel
|
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
|
304 |
515 |
205 |
40 |
92 |
201 |
|
|
485 |
170 |
40 |
92 |
201 |
|
304H |
515 |
205 |
40 |
92 |
201 |
|
304H also has a requirement for a grain size of ASTM No 7 or coarser. |
|||||
Grade Specification Comparison
Possible Alternative Grades
|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
||
|
BS |
En |
No |
Name |
||||
|
304 |
S30400 |
304S31 |
58E |
1.4301 |
X5CrNi18-10 |
2332 |
SUS 304 |
|
|
S30403 |
304S11 |
- |
1.4306 |
X2CrNi19-11 |
2352 |
SUS |
|
304H |
S30409 |
304S51 |
- |
1.4948 |
X6CrNi18-11 |
- |
- |
Type 316
Chemistry
|
Grade |
<!--[if !supportEmptyParas]--> <!--[endif]--> |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
316 |
Min |
- |
- |
- |
0 |
- |
16.0 |
2.00 |
10.0 |
- |
|
Max |
0.08 |
2.0 |
0.75 |