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Russian Metals
9KHS ( 9ХС )
| Grade : | 9KHS ( 9ХС ) |
| Substitute: | ХВГ, ХВСГ |
| Classification : | Alloy tool steel |
| Equivalent grades: | Go here |
Temperature of critical points for grade 9KHS ( 9ХС ).
| C | Si | Mn | Ni | S | P | Cr | Mo | W | V | Ti | Cu |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.85 - 0.95 | 1.2 - 1.6 | 0.3 - 0.6 | max 0.4 | max 0.03 | max 0.03 | 0.95 - 1.25 | max 0.2 | max 0.2 | max 0.15 | max 0.03 | max 0.03 |
Temperature of critical points for grade 9KHS ( 9ХС ).
| Ac1 = 770 , Ac3(Acm) = 870 , Ar1 = 730 , Mn = 160 |
Mechanical properties under Т=20oС for grade 9KHS ( 9ХС )
| Assortment | Dimension | Direct. | σB | σT | δ5 | ψ | KCU | Heat treatment |
|---|---|---|---|---|---|---|---|---|
| - | (mm) | - | MPa | MPa | % | % | kJ/m² | - |
| 790 | 445 | 26 | 54 | 390 | As-delivered state |
| Brinell hardness for 9KHS ( 9ХС ) (annealing) , GOST 5950-2000 | HB 10 -1 = 241 MPa |
Technological properties for grade 9KHS ( 9ХС )
| Weldability : | is not used. |
| Flakes : | not predisposed |
| Temper brittleness: | predisposed |
Physical properties for grade 9KHS ( 9ХС )
| T | E 10- 5 | α 10⁶ | λ | ρ | C | R 10⁹ |
|---|---|---|---|---|---|---|
| Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
| 20 | 1.9 | 7830 | 400 |
Equivalent steels for grade 9KHS ( 9ХС )
Warning! Indicated both exact and nearest equivalents.
| Germany |
|---|
| DIN,WNr |
| 150Cr14 90CrSi 90CrSi5 |
Types of delivery of grade 9KHS ( 9ХС )
- В32 - Graded and shaped rolling
Specification
Mechanical properties :
σB - Tensile strength [MPa]
σT - Yield stress [MPa]
δ5 - Specific elongation at fracture [%]
ψ - Reduction of area [%]
KCU - Impact strength [kJ/m²]
HB - Brinell hardness [MPa]
Physical properties :
T - Test temperature [Grade]
E - Young modulus [MPa]
α - Coefficient of linear expansion (20° - T) [1/Grade]
λ - Thermal (heat) condition coefficient [Watt/(m·Grade)]
ρ - Density [kg/m³]
C - Specific heat (range 20° - T) [J/(kg·Grade)]
R - Electrical resistance [Ohm·m]
Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing
9KHS ( 9ХС ) - Alloy tool steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys