| Quality | ASTM A350 LF2 |
| Category | Structural 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 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
|
