BS1452 Grade 260 is suited for applications requiring a combination of strength and wear resistance superior to those of other softer cast iron grades.
This material grade is used widely in the plastics and glass industries, typical applications include pistons, moulds, dies, bearings, cams, bushes and gears.
Chemical Analysis of BS1452 260 Grey Cast Iron(mass fraction)(%)
Carbon |
2.90-3.65% |
Phosphorous |
0.30% max |
Manganese |
0.40-0.70% |
Sulphur |
0.10% max |
Silicon |
1.80-2.90% |
Iron |
balance |
As for normal grey iron, the chemical composition is not important comparatively. The iron foundries could adjust the compositions according to their experience as long as they could meet the physical and mechanical requirements.
Typical Properties of BS1452 260 Grey Cast Iron
Typical Tensile range of material (subject to section) N/mm² 165-205
Typical Hardness HB 160-255
Mechanical properties shown are typical and may vary subject to the size and section of this cast iron grade.
Equivalent Grades of BS1452 260 Gray Cast Iron:
Country |
Standard |
Material Grade |
|
ISO |
ISO 185 |
GRADE 250 |
|
China |
GB 9439 |
HT250 |
|
USA |
ASTM A48 |
CLASS 35 |
|
Germany / Austria |
DIN 1691 |
GG25 |
|
European |
EN 1561 |
EN-GJL-250 |
|
Japan |
JIS G5501 |
FC250 |
|
Italy |
UNI 5007 |
G25 |
|
France |
NF A32-101 |
FGL250 |
|
UK |
BS 1452 |
250, 260 |
|
Spain |
UNF |
FG25 |
|
Belgium |
NBN 830-01 |
FGG25 |
|
Australia |
AS 1830 |
T250, T260 |
|
Sweden |
SS 14 01 |
O125 |
|
Norway |
NS11 100 |
SJG250 |
|
