- 304 : Most widely used steel type because of its good corrosion resistance, thermal resistance, strength at low-temperature and mechanical properties.
- 304L : Low-carbon 304 stainless steel. It is excellent in intergranular corrosion resistance.
Chemical compositions and physical properties
Designations
Chemical compositions (%)
Mechanical properties
Physical properties
JIS
POSCO
C
Cr
Ni
Mo
Orthers
Yield
Strength
N/mm²
Tensile
Strength
N/mm²
Elongate
%
Hadness
Hv
Specific
Heat
J/gºC
Specific
Gravity
Thermal
Expansion
Coefficient
W/m-ºC
Thermal
Conductivity
W/m-ºC
304 304L
304 304L
≤0.08 ≤0.03
18.0~20.0 18.0~20.0
8.0~10.5 9.0~13.0
- -
- -
≥205 ≥175
≥520 ≥480
≥40 ≥40
≤200 ≤200
0.50 0.50
7.93 7.93
17.3 17.3
16.3 16.3
Applications
- Most household products, water tanks, ..
- Spare parts of means of transport ..
- Medical instruments, construction materials, materials of some industries ...
