28Mn6 forged flanges 1.1170 Steel flange ASME B16.9 FORGED STEEL FLANGES
| Grade : | 28Mn6 |
| Number: | 1.1170 |
| Classification: | Special steel |
| Standard: | | EN 10083-2: 2006 Steels for quenching and tempering. Technical delivery conditions for non alloy steels | | EN 10250-2: 2000 Open steel die forgings for general engineering purposes. Non-alloy quality and special steels | |
Chemical composition % of steel 28Mn6 (1.1170): EN 10083-2-2006 | C | Si | Mn | Ni | P | S | Cr | Mo |
| 0.25 - 0.32 | max 0.4 | 1.3 - 1.65 | max 0.4 | max 0.03 | max 0.035 | max 0.4 | max 0.1 |
Mechanical properties of steel 28Mn6 (1.1170) | Nominal thickness (mm): | to 16 | 16 - 100 | 100 - 250 | 250 - 500 | 500 - 1000 |
| Rm - Tensile strength (MPa) (+N) | 630 | 600 | 570 | 540 | 540 |
| Nominal thickness(mm): | to 16 | 16 - 100 | 100 - 250 | 250 - 500 | 500 - 1000 |
Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+N) | 345 | 310 | 290 | 270 | 260 |
| KV - Impact energy (J) (+QT) | +20°
40 |
| Nominal thickness (mm): | to 16 | 16 - 100 | 100 - 250 |
| A - Min. elongation Lo = 5,65 √ So (%) (+N) | 17 | 18 | 18 |
| Brinell hardness (HBW): (+S) | 255 |
| Brinell hardness (HBW): (+A) | 223 |
Equivalent grades of steel 28Mn6 (1.1170) EU
EN | USA
- | Germany
DIN,WNr | Japan
JIS | France
AFNOR | England
BS | Italy
UNI | China
GB | Poland
PN | Czechia
CSN | Russia
GOST | Inter
ISO |
| 28Mn6 | | | | | | 120M36 | | 150H19 | | 150M19 | | 150M28 | | | | | | | |
