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Grade : | 5KHNM ( 5ХНМ ) |
Substitute: | 5ХНВ, 5ХГМ, 4ХМФС, 5ХНВС, 4Х5В2ФС |
Classification : | Die tool steel |
Equivalent grades: | Go here |
C | Si | Mn | Ni | S | P | Cr | Mo | Cu |
0.5 - 0.6 | 0.1 - 0.4 | 0.5 - 0.8 | 1.4 - 1.8 | max 0.03 | max 0.03 | 0.5 - 0.8 | 0.15 - 0.3 | max 0.3 |
Ac1 = 730 , Ac3(Acm) = 780 , Ar3(Arcm) = 640 , Ar1 = 610 , Mn = 230 |
Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
- | mm | - | MPa | MPa | % | % | kJ / m2 | - |
Steel | 100 - 200 | 1570 | 1420 | 9 | 35 | 340 | Guenching 850oC, oil, Drawing 460 - 520oC, |
Brinell hardness for 5KHNM ( 5ХНМ ) (annealing) , GOST 5950-2000 | HB 10 -1 = 241 MPa |
Weldability: | is not used. |
Flakes : | predisposed |
Temper brittleness: | not predisposed |
T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
20 | ||||||
100 | 38 | 300 | ||||
200 | 12.6 | 40 | 250 | |||
300 | 42 | 200 | ||||
400 | 42 | 160 | ||||
500 | 44 | |||||
600 | 14.2 | 46 | ||||
T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
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- | DIN,WNr | JIS | AFNOR | BS | EN | UNI | UNE | GB | SS | BDS | MSZ | PN | STAS | CSN | ONORM | KS | |||||||||||||||||||||||||||||
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В22 - Graded and shaped rolling |
B31 - Blanks, Blanks, Slabs |
В32 - Graded and shaped rolling |
B33 - Sheets and Strips |
Mechanical properties : | |
sв | - Tensile strength , [MPa] |
sT | - Yield stress, [MPa] |
d5 | - Specific elongation at fracture , [ % ] |
y | - Reduction of area , [ % ] |
KCU | - Impact strength , [ kJ / m2] |
HB | - Brinell hardness , [MPa] |
Physical properties : | |
T | - Test temperature , [Grade] |
E | - Young modulus , [MPa] |
a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
r | - Density , [kg/m3] |
C | - Specific heat ( range 20o - 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 |
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