Quality ASTM A350 LF2
Category Structural steels
Standard ref.
ASTM A350 M-07
Werkstoff nr. -



Description

ASTM A350 LF2 is a widely used steel in the United States. It is commonly used in the maufacturing of structural elements, especially those intended to operate in harsh environmental conditions, thanks to its high impact strength features. It is normally supplied in rolled bars or forged bars.

 

Chemical composition ASTM A 105 (%)
C
Si
Mn
P
S
Cu
Ni
Cr
Mo
V
Nb
Cu+Ni+Cr+Mo
Cr+Mo
max
min
max
min
max
max
max
max
max
max
max
max
max
max
max
0,30
0,15
0,30
0,60
1,35
0,035
0,040
0,40
0,40
0,30
0,12
0,08
0,02
1,00
0,32


Mechanical characteristics ASTM A105
 
After heat treatment according ASTM A350 M-07
Yield Limit, Rp0.2 (MPa) min
250
Tensile Strength, R (MPa) min
485
max
655
Elongation A (%) min
22
Necking Z (%) min
30
Resilience Kv -46°C (J) class 1 average
20
min
16
Resilience Kv -18°C (J) class 2 average
27
min
20
Hardness HB min
197


Matches table ASTM A105
Italy (UNI)
Europe (EN)
Germany (DIN)
France (AFNOR)
United Kingdom (BS)
USA (AISI/SAE)
≈ Fe 510
≈ S355J2
≈ St 52.3
-
EN50D
A350 LF2

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