FG35 is a high material grade of gray cast iron in Spain standard UNE. This material grade of gray cast iron offers excellent strength and wear resistance in comparison to other lower strength cast iron grades.
Equivalent Grades of FG35 (Spain: UNE) Gray Cast Iron:
This material has equal cast iron grades in other countries, such as EN-GJL-350 in European, GG35 in Germany, HT350 in China, FC350 in Japan, ASTM A48 CLASS 50 in USA, G35 in Italy, FGL350 in France, T350 in Australia, O135 in Sweden, SJG350 in Norway or ISO GRADE 350.
The followings are the chemical composition and mechanical properties of UNE FG35 that we summarize according to EN-GJL-350 in European standard EN 1561.
The Chemical Composition of FG35 (Spain: UNE) Gray Cast Iron:
There is no any standard mentioned the chemistry composition for gray cast iron castings, so 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 |
The Mechanical Properties of FG35 (Spain: UNE) Gray Cast Iron:
Condition |
Yield strength
Rp0,1 MPa |
Tensile strength
Rm MPa |
Elongation
A5 %, min. |
Hardness
HBW |
Cast sample Ø 30 mm |
195-260 |
350-450 |
0,3-0,8 |
250-330 |
Weldability
Welding of grey cast irons is not recommended.
Applications of FG35 (Spain: UNE) Gray Cast Iron:
FG35 gray cast iron is suited for applications where the cast iron requires excellent wearing characteristics and when components require a combination of strength and wear resistance superior to those of other softer cast iron grades. Typical applications include bearings, cams, bushes, pistons, gears and dies. |
