| Quality | ASTM A105 |
| Category | Structural steels |
| Standard ref. |
ASTM A105 M-05 |
| Werkstoff nr. | – |
Description
ASTM A105 is a widely used steel in the United States; it is used for structural works, in particular for flanges and other assembly elements, valves and components for pressure systems. 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
|
|
|
0,35
|
0,10
|
0,35
|
0,60
|
1,05
|
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 A105 M-05
|
|
|
Yield Limit, Rp0.2 (MPa) min
|
250
|
|
Tensile Strength Rm, R (MPa) min
|
485
|
|
Elongation A (%) min
|
22
|
|
Resilience Z (%) min
|
30
|
|
Hardness HB min
|
187
|
Matches table ASTM A105
|
Italiy (UNI)
|
Europe (EN)
|
Germany (DIN)
|
France (AFNOR)
|
United Kingdom (BS)
|
USA (AISI/SAE)
|
|
–
|
–
|
C21
|
–
|
–
|
A105
|
