A105
A carbon steel in accordance with US standards, it has a very high resilience even at low temperatures. Used for flanges, fittings, and construction in general.
References and Comparable Standards
Standard Reference: ASTM A 105
| EUROPE |
ITALY |
GERMANY |
FRANCE |
UK |
USA |
| EN 10083-3: 2006 |
(UNI 7845-78) |
(DIN 17200-86) |
(NF A 35-552-86) |
(BS 970 pt. 1 - 96) |
ASTM |
| Grade |
N° |
|
Werkstoff |
N° |
|
|
|
| 21CrMoV5-7 |
1.7709 |
- |
- |
- |
- |
- |
A105 |
Chemical Composition (Cast Analysis) (%)
| C |
Si |
Mn |
P/max |
S/max |
Cr/max |
Mo/max |
Ni/max |
Cu/max |
V/max |
| 0,35 |
0,10 ÷ 0,35 |
0,60÷1,05 |
0,035 |
0,040 |
0,30 |
0,12 |
0,40 |
0,40 |
0,08 |
Mechanical Properties - As Rolled Condition
| Size (mm) |
Rp 0,2 (MPa) min |
Rm (MPa) min |
A4 (%) min |
Z (%) min |
Hardness max |
| d≤105 |
250 |
485 |
22 |
30 |
187 |
Working Temperatures Recommended
| Operation |
°C |
| Hot forgings deformation |
900÷1150 |
| Soft annealing |
650÷700 |
