1.4305
X8CrNiS18-9
stainless steel; corrosion resistant steel; austenite
1.4305 Datasheet
X8CrNiS18-9
stainless steel; corrosion resistant steel; austenite
The material 1.4305 is an austenitic chromium-nickel steel with sulfur addition. The alloying addition makes this grade particularly suitable for machining on automatic machines.
Composition
C
Si
Mn
P
S
Cr
Cu
N
Ni
min.
-
-
-
-
0,150
17,00
-
-
8,00
max.
0,10
1,00
2,00
0,045
0,350
19,00
1,00
0,110
10,00
C
max.
0,10
Si
max.
1,00
Mn
max.
2,00
P
max.
0,045
S
min.
0,150
max.
0,350
Cr
min.
17,00
max.
19,00
Cu
max.
1,00
N
max.
0,110
Ni
min.
8,00
max.
10,00
Standards and designations
Material group
Stainless steel
AFNOR
Z8CNF18-09
AISI/SAE
303
B.S.
303S31
JIS
SUS303
UNS
S30300
Special designations
V2A
Fields of application
Automotive industry
Food industry
Mechanical engineering
Electronic equipment
Chemistry, petrochemical
Fittings
Architecture & Decoration
Attributes
Physical properties at 20° C
Density
7,90 kg/dm³
Specific heat
500 J/kg K
Thermal conductivity
15 W/m K
Electrical resistance
0,73 (ohm) mm²/m
Magnetizability
very low - µ ≤ 1,3
Thermal treatment
Hot forming
900 - 1200 °C
Solution annealing
1000 - 1100 °C
Other properties
very good machinability
poor polishability
medium corrosion resistance
suitable for temperatures up to 400°C
1.4305 should not be welded because of its high sulfur content. Hot cracks would occur during welding.
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Hexagon
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Square