Available Shapes
BS1452 Grade 250 Cast Iron
BS1452 Grade 250 cast iron stockholders and suppliers, delivering to the whole of the Middle East. Cast iron specification BS1452 Grade 250 is supplied as continuous cast grey iron bar in rounds and flats. With its fine grain structure this grade can be machined to achieve a good polished surface finish suitable for copper or chromium plating. As a continuous cast iron bar it has a fine grain structure combined with the fine graphite flake size and dense homogeneous structure. BS1452 Grade 250 supersedes specification BS1452 Grade 17.
Related Specifications
BS EN 1561 EN16482 EN GJL 250 BS1452 Grade 17 ASTM A48-83 35A 35B
DIN 1691 GG25 ISO 185 250 NFA32-101 Ft25D
Applications
Analysis
Typical Properties
Applications
BS1452 Grade 250 is suited for applications where the cast iron requires good wearing characteristics and when components require a combination of strength and wear resistance superior to those of other softer cast iron grades. Used widely in the plastics and glass industries applications include pistons, moulds, dies, bearings, cams, bushes and gears.
Analysis
| 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 |
Typical Properties
| Tensile range of material (subject to section) N/mm² | Typical Hardness HB |
|---|---|
| 155-195 | 145-240 |
Mechanical properties shown are typical and may vary subject to the size and section of this cast iron grade.
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