316L Stainless Steel Wire Mesh/Screen, the low carbon version of 316 wire mesh/screen and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). The molybdenum gives 316SS wire mesh/screen better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. Compared to chromium-nickel austenitic stainless steels, 316L stainless steel offers higher creep, stress to rupture and tensile strength at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.
316L Stainless Steel Wire Mesh/Screen Key Properties
1: Corrosion Resistance
Excellent in a range of atmospheric environments and many corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 60°C. Considered resistant to potable water with up to about 1000mg/L chlorides at ambient temperatures, reducing to about 500mg/L at 60°C.
316 is usually regarded as the standard "marine grade stainless steel", but it is not resistant to warm sea water. In many marine environments 316 does exhibit surface corrosion, usually visible as brown staining. This is particularly associated with crevices and rough surface finish.
2: Heat Resistance
Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of 316 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 316L is more resistant to carbide precipitation and can be used in the above temperature range. Grade 316H has higher strength at elevated temperatures and is sometimes used for structural and pressure-containing applications at temperatures above about 500°C.
Composition ranges for 316L stainless steels wire mesh/screen
|
Grade
|
|
C
|
Mn
|
Si
|
P
|
S
|
Cr
|
Mo
|
Ni
|
N
|
|
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
|
Mechanical properties of 316L stainless steels wire mesh/screen
|
Grade
|
Tensile Str
(MPa) min
|
Yield Str
0.2% Proof
(MPa) min
|
Elong
(% in 50mm) min
|
Hardness
|
|
Rockwell B (HR B) max
|
Brinell (HB) max
|
|
316L
|
485
|
170
|
40
|
95
|
217
|
Physical properties for 316 grade stainless steels.
|
Grade
|
Density
(kg/m3)
|
Elastic Modulus
(GPa)
|
Mean Co-eff of Thermal Expansion (µm/m/°C)
|
Thermal Conductivity
(W/m.K)
|
Specific Heat 0-100°C
(J/kg.K)
|
Elec Resistiviy
(nΩ.m)
|
|
0-100°C
|
0-315°C
|
0-538°C
|
At 100°C
|
At 500°C
|
|
H |
8000
|
193
|
15.9
|
16.2
|
17.5
|
16.3
|
21.5
|
500
|
740
|
