Grey Iron
1. The chemical composition data in the table for reference only.
2. The mechanical properties comes from the sample taken
from round 1/4 diameter, rectangle & square from 1/4 diagonals.
3. Customized size and grade upon your request .

 

GRADE
EN-GJL-200
EN-GJL-250
EN-GJL-300
GG20
GG25
GG30
FC200
FC250
FC300
Chemical Compostition(%)
Si
2.2~2.8
2.2~2.6
2.2~2.6
Mn
0.3~0.5
0.5~0.8
0.6~1.2
P
≤0.15
≤0.15
≤0.15
S
≤0.12
≤0.12
≤0.1
C
2.8~3.8
2.8~3.8
2.8~3.8
Mechanical Propenrties
Yield Strength
 
 
 
Mpa Tensile Strength
≥180
≥220
≥260
Elongation%
 
 
 
Hardness HB
150~180
170~220
190~240
Shape/Size
Round
Φ18mm~Φ600mm
Square
□25mm×25mm~□900mm×900mm
Rectangle
30mm×40mm~360mm×470mm
Semi-Round
R30mm~R180mm
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