316 Stainless Steel Specification
In the article, Mirach Metallurgy Co.,Limited introduces 316 stainless steel and its detail information.In metallurgy, stainless steel, also known as inox steel or inox from French “inoxydable”, is defined as a steel alloy with a minimum of 10.5% to 11% chromium content by mass. The detail info of spec you can find below:
Composition
Table 1. Composition ranges for 316 grade of stainless steels.
|
Grade |
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 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
0.10 |
|
|
316L |
Min |
– |
– |
– |
– |
– |
16.0 |
2.00 |
10.0 |
– |
|
Max |
0.03 |
2.0 |
0.75 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
0.10 |
|
|
316H |
Min |
0.04 |
0.04 |
0 |
– |
– |
16.0 |
2.00 |
10.0 |
– |
|
max |
0.10 |
0.10 |
0.75 |
0.045 |
0.03 |
18.0 |
3.00 |
14.0 |
– |
Mechanical Properties
Table 2. Mechanical properties of 316 grade stainless steels.
|
Grade |
Tensile Str |
Yield Str |
Elong |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
|
316 |
515 |
205 |
40 |
95 |
217 |
|
316L |
485 |
170 |
40 |
95 |
217 |
|
316H |
515 |
205 |
40 |
95 |
217 |
Note: 316H also has a requirement for a grain size of ASTM no. 7 or coarser.
Physical Properties
Table 3. Typical physical properties for 316 grade stainless steels.
|
Grade |
Density |
Elastic Modulus |
Mean Co-eff of Thermal Expansion (µm/m/°C) |
Thermal Conductivity |
Specific Heat 0-100°C |
Elec Resistivity |
|||
|
0-100°C |
0-315°C |
0-538°C |
At 100°C |
At 500°C |
|||||
|
316/L/H |
8000 |
193 |
15.9 |
16.2 |
17.5 |
16.3 |
21.5 |
500 |
740 |
Grade Specification Comparison
Table 4. Grade specifications for 316 grade stainless steels.
|
Grade |
UNS |
Old British |
Euronorm |
Swedish |
Japanese |
||
|
BS |
En |
No |
Name |
||||
|
316 |
S31600 |
316S31 |
58H, 58J |
1.4401 |
X5CrNiMo17-12-2 |
2347 |
SUS 316 |
|
316L |
S31603 |
316S11 |
– |
1.4404 |
X2CrNiMo17-12-2 |
2348 |
SUS 316L |
|
316H |
S31609 |
316S51 |
– |
– |
– |
– |
– |
