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Grade : | 28KhG2TR ( 28ХГ2ТР ) |
Classification : | Alloy structurall steel |
Equivalent grades: | Is absent |
C | Si | Mn | Ni | S | P | Cr | Ti | Al | Cu | B |
0.26 - 0.3 | 0.17 - 0.37 | 1.2 - 1.4 | max 0.25 | max 0.025 | max 0.025 | 0.4 - 0.65 | 0.02 - 0.05 | 0.02 - 0.06 | max 0.35 | 0.001 - 0.004 |
Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
- | mm | - | MPa | MPa | % | % | kJ / m2 | - |
Blank for pipe | 689 | 552 | 13 | 50 | 600 | Guenching and drawing |
- |
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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