Transcription of grey cast iron composition
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grey cast iron composition
Qingdao Casting Quality Industrial Co., Ltd. Casting Material Grey Cast iron composition and Property Grey Cast iron (Gray iron ) is so called because of the colour of the fracture face. It contains carbon and silicon plus manganese, sulphur and phosphorus. It is brittle with low tensile strength, but is easy to cast. The all data in this documents is referred to Chinese standard of GB/T 9439-1988. Single Casting Specimen Tensile Strength Property Single Specimen Gray iron Castings Gray iron Grade Tensile Strength Tensile Strength Wall Thickness b /Mpa b /Mpa /mm > ~10 130. >10~20 100. HT100 100 90. >20~30. 80. >30~40. > ~10 175. >10~20 145. HT150 150 130. >20~30. 120. >30~40. > ~10. >10~20 220. HT200 200 195. >20~30. 170. >30~40 160. > ~10 270. >10~20 240. HT250 250 220. >20~30. 200. >30~50. >10~20 290. HT300 300 >20~30 250. 230. Professional Supplier of Casting Parts In China >30~50. 340. >10~20.
Grey Cast Iron Composition Grey Iron Castings Hardness Gray Iron Casting heat treatment Gray Iron Casting, no any standard mentioned the chemistry composition, so we only suggest the following chemistry based on actual production. Grade Wall Thickness /mm C Si Mn P ≤ S ≤ HT100 - 3.4~3.9 2.1~2.6 0.5~0.8 0.3 0.15 HT150 <30 2.0~2.4 30~50
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