The classification, chemical composition, mechanical properties,
hardness, technological properties，physical
properties，Equivalent steels, specification of grey cast iron
grade SCH15, СЧ15.
Grade: |
SCH15 ( СЧ15 ) |
Classification: |
Gray cast iron |
Chemical composition in % for grade SCH15 (
СЧ15 )
C |
Si |
Mn |
S |
P |
3.5-3.7 |
2-2.4 |
0.5-0.8 |
max 0.15 |
max 0.2 |
Mechanical properties under Т=20oС for grade
SCH15 ( СЧ15 )
Assortment |
Dimension |
Direct |
sB |
sT |
d5 |
y |
KCU |
Heat treatment |
- |
mm |
- |
MPa |
MPa |
% |
% |
KJ/m2 |
- |
Casting,GOST1412-85 |
|
|
150 |
|
|
|
|
|
Brinell hardness for SCH15 ( СЧ15
) GOST 1412-85 |
HB 10 -1= 130 - 241 MPa |
Technological properties of the material
SCH15 ( СЧ15 )
Physical properties for grade SCH15 ( СЧ15 )
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 |
0.9 |
|
59 |
7000 |
|
|
100 |
|
9 |
|
|
460 |
|
Equivalent steels for grade SCH15 ( СЧ15 )
USA |
- |
A48-25B |
Class25B |
No.25 |
Germany |
DIN,WNr |
GG15 |
Japan |
JIS |
FC15 |
FC150 |
|
France |
AFNOR |
Ft15 |
Ft150D |
|
England |
BS |
150 |
Gr.150 |
|
Italy |
UNI |
G15 |
Belgium |
NBN |
FGG15 |
Spain |
UNE |
FG15 |
China |
GB |
HT150 |
Sweden |
SS |
0115-00 |
O115 |
|
Poland |
PN |
Z115 |
ZI150 |
|
Czechia |
CSN |
422415 |
Austria |
ONORM |
GG150 |
Inter |
ISO |
150 |
Taiwan |
- |
FC150 |
COPANT |
COPANT |
FG150 |
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