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1.4307

Standards

Material No.
1.4307
EN Designation
X2CrNi18-9
AISI/SAE
304 L
UNS
S30403

Description

1.4307 / AISI 304 L is an austenitic chromium-nickel stainless steel with a low carbon content.

Special properties

1.4307 / AISI 304 L can replace the quality 1.4541 / AISI 321 and is equal resistant to intercrystalline corrosion. Better machinable due to the absence of titanium

Chemical Composition

C
%
≤ 0.030
Si
≤ %
1.00
Mn
≤ %
2.00
P
≤ %
0.045
S
≤ %
0.015
Cr
%
17.5-19.5
Ni
%
8.00-10.5
N
%
≤ 0.11

Mechanical Properties 20°C

Hardness HB 30
≤ HB
215
0.2% Yield strength Rp
≥ N/mm²
175
Tensile strength Rm
N/mm²
500-700
Elongation A5
≥ %
45/35
Modulus of elasticity
kN/mm²
200

Physical Properties 20°C

Density
g/cm³
7.9
Specific heat capacity
J/kg K
500
Thermal conductivity
W/m K
15
Electrical resistivity
Ω mm²/m
0.73

Suitable welding
filler materials

1.4307; 1.4316; 1.4551

Application

Foodstuff, chemical and pulp paper equipment, vessels

Available forms for 1.4307 / AISI 304 L

Sheets/Plates
Lieferform
Bars
Lieferform
Wire
Lieferform
Tubes/Pipes
Lieferform
Fittings
Lieferform
Forged / cast parts
Lieferform
Finished part (drawing)
Lieferform