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  BS1452 Grade 260 Gray Cast Iron  
 

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

 

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