SJG350 is the highest material grade of gray cast iron used in Norway standard NS11 100. It is equivalent to GG35 in Germany and Austria standard DIN 1691.
Chemical Composition for NS11 100 SJG350 Gray Cast Iron:
The chemical ranges are not specified in the NS11 100 standard, so the iron foundries could adjust the compositions according to their experience as long as they could meet the physical and mechanical requirements.
We only suggest the following chemistry based on actual production.
C % |
Si % |
Mn % |
P % |
S % |
2.9-3.6 |
1.4-2.5 |
0.45-1.0 |
0.30 max |
0.12 max |
Properties for NS11 100 SJG350 Gray Cast Iron:
We summarized the following properties for NS11 100 SJG350 gray cast iron according to DIN 1691 GG35.
General
Property |
Temperature |
Value |
Density |
20.0 °C |
7.3 g/cm³ |
Mechanical
Property |
Temperature |
Value |
Comment |
Elastic modulus |
20.0 °C |
123 - 143 GPa |
|
Hardness, Brinell |
20.0 °C |
275 - 285 [-] |
|
Plane-Strain Fracture Toughness |
20.0 °C |
20.6 MPa·√m |
|
Poisson's ratio |
20.0 °C |
0.26 [-] |
|
Shear modulus |
23.0 °C |
41 GPa |
Typical for Cast Iron |
Tensile strength |
20.0 °C |
210 - 450 MPa |
|
Thermal
Property |
Temperature |
Value |
Comment |
Melting point |
|
1120 °C |
Typical for Cast Iron |
Specific heat capacity |
200.0 °C |
460 J/(kg·K) |
|
600.0 °C |
535 J/(kg·K) |
|
Thermal conductivity |
23.0 °C |
55 W/(m·K) |
Typical for Cast Iron |
Electrical
Property |
Temperature |
Value |
Electrical resistivity |
20.0 °C |
6.7E-7 Ω·m |
Applications:
SJG350 gray cast iron used for machine and apparatus pieces with increasing physical properties, for work things machines, compressors.
Equivalent standards:
Country |
Standard |
Material Grade |
ISO |
ISO 185 |
GRADE 350 |
China |
GB 9439 |
HT350 |
USA |
ASTM A48 |
CLASS 50 |
Germany/Austria |
DIN 1691 |
GG35 |
European |
EN 1561 |
EN-GJL-350 |
Japan |
JIS G5501 |
FC350 |
Italy |
UNI 5007 |
G35 |
France |
NF A32-101 |
FGL350 |
UK |
BS 1452 |
350 |
Spain |
UNF |
FG35 |
Belgium |
NBN 830-01 |
FGG35 |
Australia |
AS 1830 |
T350 |
Sweden |
SS 14 01 |
O135 |
Norway |
NS11 100 |
SJG350 |
|
