UNI 4544 GS370-17 is a ductile iron material grade used in Italy.
The followings are this material's chemical composition, physical and mechanical properties and equivalent material grades.
The chemical composition of UNI 4544 GS370-17 ductile cast iron:
In standard UNI 4544, there is no requirement to the chemical composition, so the iron foundry could adjust their chemical composition as their experience, but the mechanical properties are the necessary requirement.
The mechanical and physical properties of UNI 4544 GS370-17 ductile cast iron
Tensile strength |
Rm |
Mpa |
370 |
Yield limit |
Rp0,2 |
Mpa |
230 |
Elongation |
A |
% |
17 |
Hardness |
BHN |
|
179 max. |
Compression strength |
|
Mpa |
700 |
Stress modulus |
E |
Mpa |
169 |
Density |
ρ |
Kg/m3 |
7100 |
Thermal conductivity |
λt |
W.m-1.K-1 |
36,2 |
Brittle failure resistance |
K1c |
MPa.m0,5 |
30 |
Equivalence |
kgf/mm2 |
|
40.8 |
Equivalent material grades of UNI 4544 GS370/17 ductile cast iron:
Country |
Standard |
Material Grade |
ISO |
ISO 1083 |
GRADE 400-15/GRADE 400-18 |
China |
GB 1348 |
QT400-18 |
USA |
ASTM A536 |
60-40-18 |
Germany/Austria |
DIN 1693 |
GGG40 |
European |
EN 1563 |
EN-GJS-400-15/EN-GJS-400-18 |
Japan |
JIS G5502 |
FCD400 |
Italy |
UNI 4544 |
GS370-17 |
France |
NF A32-201 |
FGS370-17 |
UK |
BS 2789 |
400/17 |
Spain |
UNF |
FGE38-17 |
Belgium |
NBN 830-02 |
FNG38-17 |
Australia |
AS 1831 |
GRADE 370-17/GRADE 400-12 |
Sweden |
SS 14 07 |
0717-02 |
Norway |
NS11 301 |
SJK-400.3/SJK-400 |
|
