1.4948

Data sheet material 1.4948 / AISI 304H

X6CrNi18-10

Austenitic corrosion-resistant stainless steel

Brief description

The material 1.4948 or AISI 304H or TP304H is comparable with the material 1.4301, but has an increased carbon content. As a result, it offers excellent heat resistance at elevated temperatures.

Standards and nomenclature

EN
DIN X6CrNi18-10
AISI 304H
US S30409
EN
DIN X6CrNi18-10
AISI 304H
US S30409

Chemical composition

C (carbon) 0,04 0,08
Mn (manganese) - 2,0
Si (silicon) - 0,75
P (phosphorus) - 0,035
S (sulphur) - 0,015
Cr (chromium) 17,0 19,0
Ni (nickel) 8,0 11,0
N (nitrogen) - 0,11

-
-

min.

max.

C
(carbon)

0,04

0,08

Mn
(Manganese)

-

2,0

Si
(Silicon)

-

0,75

P
(phosphorus)

-

0,035

S
(sulphur)

-

0,015

Cr
(chrome)

17,0

19,0

Ni
(nickel)

8,0

11,0

N
(Nitrogen)

-

0,11

Mechanical properties
at 20°C

Yield point
Rp0,2
N / mm²

≥ 185

Tensile strength
Rm
N / mm²

500 - 700

Elongation
A5,65

≥ 40%

Modulus of elasticity
kN / mm²

200

Markets & Applications

Apparatus engineering
Chemical and petrochemical industry
Power plant construction
Expansion joints
Nuclear technology
Pipeline construction
Heat exchanger

Physical properties
at 20°C

Density
kg/dm³

7,9

Electrical
Resistance
(ohm) mm²/m

0,71

Thermal conductivity
W/m K

17

Specific
Heat capacity
J/kg K

450

Frequently asked questions

Important note

TEAM EDELSTAHL operates purely as a trading company without technical staff. Consequently, we are not authorised to provide material consulting services.

The above values and information on the properties and/or usability of the material are purely informative. This information is based on the experience of the manufacturer and TEAM EDELSTAHL. All information is without guarantee. Misprints, errors and changes excepted.