10CrMo9-10 forged flanges EN1092 forged flanges 1.7380 forged Steel flanges
| Grade : | 10CrMo9-10 |
| Number: | 1.7380 |
| Classification: | Alloy special steel |
| Density: | 7.85 g/cm ³ |
| Standard: | | EN 10028-2: 2009 Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties | | EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties | | EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements | | EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties | |
Chemical composition % of steel 10CrMo9-10 (1.7380): EN 10028-2-2003 | According EN 10216-2 chemical composition: 0.3 < Mn < 0.7; |
| C | Si | Mn | P | S | Cr | Mo | N | Cu |
| 0.08 - 0.14 | max 0.5 | 0.4 - 0.8 | max 0.02 | max 0.01 | 2 - 2.5 | 0.9 - 1.1 | max 0.012 | max 0.3 |
Mechanical properties of steel 10CrMo9-10 (1.7380) | Nominal thickness (mm): | to 60 | 60 - 100 | 100 - 150 | 150 - 250 |
| Rm - Tensile strength (MPa) | 480-630 | 470-620 | 460-610 | 450-600 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 60 | 60 - 100 | 100 - 150 | 150 - 250 |
| ReH - Minimum yield strength (MPa) | 310 | 300 | 290 | 280 | 260 | 250 |
| Nominal thickness(mm): | to 16 | 16 - 40 | 40 - 60 |
| Rp0.2 0.2% proof strength (MPa) (+NT) | 280 | 280 | 270 |
| KV - Impact energy (J) transverse, | +20°
27-31 |
| KV - Impact energy (J) longitud., | +20°
40 |
| A - Min. elongation at fracture (%) longitud., (+NT) | 22 |
| A - Min. elongation at fracture (%) transverse, (+NT) | 20 |
Equivalent grades of steel 10CrMo9-10 (1.7380) EU
EN | USA
- | Germany
DIN,WNr | Japan
JIS | France
AFNOR | England
BS | Italy
UNI | China
GB | Sweden
SS | Poland
PN | Czechia
CSN | Austria
ONORM | Russia
GOST | Inter
ISO |
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