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Grade : | 55KH20G9АN4 ( 55Х20Г9АН4 ) ( 5Х20Н4АГ9 ЭП303 ) |
Classification : | High alloy high-temperature steel |
Equivalent grades: | Go here |
C | Si | Mn | Ni | S | P | Cr | N | Cu |
0.5 - 0.6 | max 0.45 | 8 - 10 | 3.5 - 4.5 | max 0.03 | max 0.04 | 20 - 22 | 0.3 - 0.6 | max 0.3 |
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- | DIN,WNr | JIS | AFNOR | BS | EN | UNI | UNE | GB | BDS | MSZ | PN | STAS | CSN | KS | |||||||||||||||||||||||||||
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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] |
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