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Grade : | 30HG2STL ( 30ХГ2СТЛ ) |
Classification : | Casting alloy steel with specific properties |
Equivalent grades: | Is absent |
C | Si | Mn | Ni | S | P | Cr | Ti | Cu | РЗМ |
0.25 - 0.35 | 0.4 - 0.8 | 1.5 - 1.8 | max 0.3 | max 0.02 | max 0.02 | 0.6 - 1 | 0.01 - 0.04 | max 0.3 | 0.02 - 0.05 |
Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
- | mm | - | MPa | MPa | % | % | kJ / m2 | - |
Casting, GOST 21357-87 | 700 | 600 | 12 | 40 | ||||
Casting, GOST 21357-87 | 750 | 650 | 15 | 40 | ||||
Casting, GOST 21357-87 | 1600 | 1300 | 4 | 14 |
Normalizing 890 - 910 ° C, Tempering 640 - 660 ° C |
Water hardening 870 - 890 ° C, Tempering 640 - 660 ° C |
Hardening в воде 870 - 890 ° C, Tempering 200 - 220 ° C, ( Wear-resisting steel ) |
B83 - Castings with special properties (cast iron and steel) |
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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