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1.4305

X8CrNiS18-9
stainless steel; corrosion resistant steel; austenite

Aerospace, Energy & environmental technology, Medical & pharmaceutical technology, Petrochemicals, Vehicle construction & e-mobility

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
Icon Winkel
Cut to size/custom made
Icon Zuschnitte
Flat
Icon Flach
Hexagon
Icon Sechskant
Profile tube
Icon Profilrohr
Round
Icon Rund
Round tube/bushing
Icon Rundrohr
Sheets/sheet blanks/plates
Icon Bleche
Square
Icon Vierkant
Important note: The information on the properties or usability of materials or products is for information purposes only and does not constitute a contractual obligation. The information merely corresponds to the experience of the manufacturers and HSM®. All information is without guarantee. Misprints, errors and changes reserved.

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