Database of Steel and Alloy (Marochnik) |
Home | Steel and Alloy | Search | Equivalent Grades | GOST Standards | Grading | Contacts |
Grade : | 20GL ( 20ГЛ ) |
Classification : | Casting alloy steel for general purposes |
Equivalent grades: | Go here |
C | Si | Mn | S | P |
0.15 - 0.25 | 0.2 - 0.4 | 1.2 - 1.6 | max 0.04 | max 0.04 |
Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
- | mm | - | MPa | MPa | % | % | kJ / m2 | - |
Casting, GOST 977-88 | 540 | 275 | 18 | 25 | 491 | |||
Casting, GOST 977-88 | 530 | 334 | 14 | 25 | 383 | |||
Casting, GOST 21357-87 | 500 | 300 | 20 | 35 | Normalizing | |||
Casting, GOST 21357-87 | 550 | 400 | 15 | 30 | Guenching and drawing |
Brinell hardness for 20GL ( 20ГЛ ) , | HB 10 -1 = 143 - 187 MPa |
Normalizing 880 - 900 ° C, Tempering 600 - 650 ° C |
Hardening 870 - 890 ° C, Tempering 620 - 650 ° C |
USA | Germany | Japan | European | Italy | Bulgaria | Hungary | Poland | Romania | Czechia | Austria | |||||||||||||||||||
- | DIN,WNr | JIS | EN | UNI | BDS | MSZ | PN | STAS | CSN | ONORM | |||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
B42 - Rails: Pads, Pads, Crutches |
B82 - Steel Castings |
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] |
© 2003 - 2024 Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use. |