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1.4941

Standards

Material No.
1.4941
EN Designation
X6CrNiTiB18-10
AISI/SAE
321 H
UNS
S32109

Description

AISI 321 H / 1.4941 is an austenitic chromium-nickel-stainless steel, stabilized with titanium.

Special properties

Good corrosion resistance to low content of hydrochloride and organic acids. Very good resistance to raised temperature.

Chemical Composition

C
%
0.04-0.08
Si
≤ %
1.00
Mn
≤ %
2.00
P
≤ %
0.035
S
≤ %
0.015
Cr
%
17.0-19.0
Ni
%
9.00-12.0
Ti
≤ %
5 x C
B
%
0.0015-0.0050

Mechanical Properties 20°C

Hardness HB 30
≤ HB
335
0.2% Yield strength Rp
≥ N/mm²
195
Tensile strength Rm
N/mm²
490-680
Elongation A5
≥ %
35
Modulus of elasticity
kN/mm²
200

Physical Properties 20°C

Density
g/cm³
7.93
Specific heat capacity
J/kg K
450
Thermal conductivity
W/m K
17
Electrical resistivity
Ω mm²/m
0.71

Application

Pressure vessels and steam boilers

Available forms for 1.4941 / AISI 321 H

Tubes/Pipes
Lieferform
Fittings
Lieferform