Datasheet

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1.4835

Brand name

Avesta® 253 MA

Trade name

Alloy 253 MA

Standards

Material No.
1.4835
EN Designation
X9CrNiSiNCe21-11-2
UNS
S30815
Alloy
253 MA

Description

Alloy 253 MA / 1.4835 is a heat resistant austenitic chromium-nickel-stainless steel.

Special properties

Resistant to scaling up to 1150°C. Low resistance to oxidizing sulphuric gases.

Chemical Composition

C
%
0.05-0.12
Si
≤ %
1.40-2.50
Mn
≤ %
1.00
P
≤ %
0.045
S
≤ %
0.015
Cr
%
20.0-22.0
Ni
%
10.0-12.0
N
%
0.12-0.20
Ce
%
0.03-0.08

Mechanical Properties 20°C

Hardness HB 30
≤ HB
210
0.2% Yield strength Rp
≥ N/mm²
310
Tensile strength Rm
N/mm²
650-850
Elongation A5
≥ %
40
Resistant on air up to
°C
1150
Modulus of elasticity
kN/mm²
200

Physical Properties 20°C

Density
g/cm³
7.8
Specific heat capacity
J/kg K
500
Thermal conductivity
W/m K
15
Electrical resistivity
Ω mm²/m
0.85

Suitable welding
filler materials

1.4842

Application

Furnaces and furnace components, oil industry

Available forms for 1.4835 / ALLOY 253 MA

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