1.0566 Datasheet
P355NL1; TStE 355
high-grade steel; unalloyed; pressure vessel steel
-
The material P355NL1 is a pressure vessel steel with good cold toughness. It is mainly used in structures with relatively high requirements for impact strength at low temperatures. It is mainly used in the form of normalized rolled flat products.
Composition
C
Si
Mn
P
S
Al
Cr
Cu
Mo
N
Nb
Ni
Ti
V
min.
-
-
1,10
-
-
0,0200
-
-
-
-
-
-
-
-
max.
0,18
0,50
1,70
0,025
0,008
-
0,30
0,30
0,080
0,012
0,05
0,5
0,03
0,1
C
max.
0,18
Si
max.
0,50
Mn
min.
1,10
max.
1,70
P
max.
0,025
S
max.
0,008
Al
min.
0,0200
Cr
max.
0,30
Cu
max.
0,30
Mo
max.
0,080
N
max.
0,012
Nb
max.
0,05
Ni
max.
0,5
Ti
max.
0,03
V
max.
0,1
Standards and designations
Material group
High-quality engineering steel
AFNOR
A510FP
ASTM
A350LF2
B.S.
225-490A
JIS
SLA365; STK490; STK500
UNI
FeE355KT
UNS
K02010; K01600; K02007; K02302; K02700; K02701; K02803; K03301; K11803; K12037; K12069
Fields of application
Pressure vessel construction
Plant engineering
Penstock construction
Equipment engineering
Mechanical Engineering
Steam Boiler Construction
Heat exchanger
Attributes
Physical properties at 20°C
Density
7,82 kg/dm³
Specific heat
460 J/kg K
Thermal conductivity
48,0 W/m K
Electrical resistance
0,22 (ohm) mm²/m
Modulus of elasticity
212 kN / mm²
Other properties
good weldability
good machinability
Suitable for cold forming
good mechanical properties
good cold toughness
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Square
