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1.4429

Standards

Material No.
1.4429
EN Designation
X2CrNiMoN17-13-3
AISI/SAE
316 LN
UNS
S31653

Description

1.4429 / AISI 316 LN is an austenitic chromium-nickel-molybdenum stainless steel.

Special properties

High stability and extraordinary low permeability. Slightly better quality than 1.4436 / AISI 316.

Chemical Composition

C
%
≤ 0.030
Si
≤ %
1.00
Mn
≤ %
2.00
P
≤ %
0.045
S
≤ %
0.015
Cr
%
16.5-18.5
Mo
%
2.50-3.00
Ni
%
11.0-14.0
N
%
0.12-0.22

Mechanical Properties 20°C

Hardness HB 30
≤ HB
250
0.2% Yield strength Rp
≥ N/mm²
280
Tensile strength Rm
N/mm²
580-800
Elongation A5
≥ %
40/30
Modulus of elasticity
kN/mm²
200

Physical Properties 20°C

Density
g/cm³
8
Specific heat capacity
J/kg K
500
Thermal conductivity
W/m K
15
Electrical resistivity
Ω mm²/m
0.75

Suitable welding
filler materials

1.4430; 1.4455

Application

Construction of apparatus, textile industry, pulp industry, dairy, brewery

Available forms for 1.4429 / AISI 316 LN

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