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UNI 4544 GS400-12 is an Italy ductile iron grade, which is equal to ASTM A536 60-45-12.
This material grade is also equal to GB 1348 QT450-10, ISO 1083/JS/450-10, EN 1563 EN-GJS-450-10, JIS GG5502 FCD450, BS 2789 420/12, etc.
Chemical Components of UNI 4544 GS400-12 Ductile Cast Iron
C % |
Si % |
Mn % |
P % |
S % |
Mg % |
3.30-3.80 |
2.40-2.90 |
0.2-0.5 |
0.03-0.06 |
0.02-0.040 |
0.020-0.060 |
The chemical components of ductile cast iron did not have strict range for many material standards, however, its range should be useful for buyers to evaluate the quality of cast iron. The iron foundry could adjust its chemical components according to their experience in order to meet the physical and mechanical properties.
The mechanical and physical properties of UNI 4544 GS400-12 ductile cast iron
Tensile strength |
Rm |
Mpa |
400 |
Yield limit |
Rp0,2 |
Mpa |
250 |
Elongation |
A |
% |
12 |
Hardness |
BHN |
|
201 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 |
|
42.8 |
Application
UNI 4544 GS400-12 is widely used in many industrial and civil fields. The major industrial applications include pipework, oil well pumps, auto casting parts, truck and tractor parts, various machinery casting parts. |
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