QualityASTM A350 LF2
CategoryStructural steels
Standard ref.
ASTM A350 M-07
Werkstoff nr.
Description

ASTM A350 LF2 is widely used in the United States with great impact strenght properties. It is generally supplied in hot rolled or forged and turned bars. It is suitable for realizing structural elements aimed at working in harsh conditions.

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 1average
20
min
16
Resilience Kv -18°C (J) class 2average
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