EN 1.4935 (X20CrMoWV12-1) Stainless Steel China supplier
EN 1.4935 Stainless Steel Specifications:
| Grade : |
X20CrMoWV12-1 |
| Number: |
1.4935 |
| Classification: |
Alloy special martensitic creep-resisting steel |
| Density: |
7.7 g/cm |
| Standard: |
EN 10302: 2008 Creep resisting steels, nickel and cobalt alloys |
| EN 10088-1: 2005 Stainless steels. List of stainless steels |
| Equivalent grades: |
No information |
Chemical composition % of steel X20CrMoWV12-1 (1.4935): EN 10302-2008
| C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
W |
V |
| 0.17 - 0.24 |
0.1 - 0.5 |
0.3 - 0.8 |
0.3 - 0.8 |
max 0.025 |
max 0.015 |
11 - 12.5 |
0.8 - 1.2 |
0.4 - 0.6 |
0.2 - 0.35
|
Mechanical properties of steel X20CrMoWV12-1 (1.4935)
| Rm - Tensile strength (MPa) (+QT700) |
700-850 |
| Rm - Tensile strength (MPa) (+QT800) |
800-950 |
| Rp0.2 0.2% proof strength (MPa) (+QT700) |
500 |
| Rp0.2 0.2% proof strength (MPa) (+QT800) |
600 |
| A - Min. elongation at fracture (%) (+QT700) |
15-16 |
| A - Min. elongation at fracture (%) (+QT800) |
14 |
EN 1.4935 Stainless Steel Heat treatment conditions:
| +A |
Soft annealed |
| +AC |
Annealed to achieve spheroidization of the carbides |
| +AR |
As rolled |
| +AT |
Solution annealed |
| +C |
Cold drawn / hard |
| +CR |
Cold rolled |
| +FP |
Treated to ferrite-pearlite structure and hardness range |
| +I |
Isothermal annealing |
| +LC |
Cold drawn / soft |
| +M |
Thermo mechanical rolling |
| +N |
Normalized |
| +NT |
Normalized and tempered |
|
| +P |
Precipitation hardened |
| +PE |
Peeled |
| +QA |
Air quenched and tempered |
| +QL |
Liquid quenched and tempered |
| +QT |
Quenched and tempered |
| +S |
Treated to improve shearability |
| +SH |
As rolled and turned |
| +SR |
Cold drawn and stress relieved |
| +T |
Tempered |
| +TH |
Treated to hardness range |
| +WW |
Warm worked |
| +U |
Untreated
|
|
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
- Condition: Quenched and tempered treatment
- Tensile strength, σb/MPa: 780 ~ 930
- yield strength, σs ≥/MPa: 590
- Elongation, δ5 ≥(%): 14.0
- Hardness: HRC 25 ~ 30
- Non-scale temperature in Air: 600℃