Grey Iron Casting
Grey cast iron also known as flake graphite cast iron, is a type of casting iron in which most of the carbon is present as flake graphite .The propertises of grey cast iron depends on the distribution, sizs and amount of graphite flakes, and the matrix structure. These factorys are in turn, influenced mainly by the manufacturing conditions, chemical composition, solidification time and rate of cooling in he mould. Grey cast iron exhibit low to moderate strength, low modulus of elasticity, low notch sensitiviy, high thermal conductivity, moderate resistance of thermal stock , and outstanding castability.
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| DIN EN 1561 | Germany | France | England | Netherlands | Sweden | USA | Hardness | Tensile Strength | Proof Stress |
Elongation | Machinability | Microst-ructure | 1:100 | 1:500 | |||
| DIN 1691 | NF | BS | NEN | MNC | ASTM A48 | HB 30 | Rm N/mm?/font> | Rp0,1 N/mm?/font> | A % | ||||||||
| EN-GJL-150 | GG-15 | Ft 15 D | Grade 150 | GG 15 | 01 15-00 | 20 B / 25 B | 150/190 | 150-250 | 98-165 | 0,8-0,3 | very good | Perlit, groblamellar |  |
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| EN-GJL-200 | GG-20 | Ft 20 d | Grade 180 / Grade 220 | GG 20 | 01 20-00 | 25 B / 30 B | 170/210 | 200-300 | 130-195 | 0,8-0,3 | very good | Perlit, roughlamellar |  |
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| EN-GJL-250 | GG-25 | Ft 25 D | Grade 220 / Grade 260 |
GG 25 | 01 25-00 | 35 B / 40 B | 180/230 | 250-350 | 165-228 | 0,8-0,3 | very good | Perlit, finelamellar |
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Automotive Parts For Grey Iron Casting
Some of the automotive components herein are for sedans while others for the heavy truck ,bulldozer and so on ,made by the process of sand casting or investment casting.
We have been doing this item (Belt pulley Parts ) for many years.The large quantity can be holden in our foundry .From 2005 , Our capacity 's increasing year by year . It's 500tons per month right now and we re still expanding our production capacity
We are capable to deal with all kinds of intricate structure.Besides the iron casting -grey iron casting and ductile iron casting , we are also your reliable source for Alloy iron, carbon steel, Heat-resistant steel , Alloy steel and aluminium alloy.
Gear Cases or Gear boxes casting are widely used in manufacturing industries by the process of Sand casting which is including Resin Chemically Bonded Sand Cast, Resin Shell Cast, and Green Sand Cast.
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