Grey iron, kapa grey cast iron, ke mofuta oa tšepe e entsoeng ka tšepe e nang le graphite microstructure. E bitsoa ka 'mala o moputsoa oa fracture eo e e etsang. Tšepe e putsoa e sebelisoa bakeng sa tloaelolitšepe tse bohloohomoo ho satalla ha motsoako ho leng bohlokoa ho feta matla a eona a thata, joalo ka li-cylinder tsa enjene e tukang ka hare, matlo a pompo, 'mele ea li-valve, mabokose a motlakase, boima ba li-counter le li-castings tse khabisitsoeng. Thermal conductivity ea Grey cast iron le matla a khethehileng a hlooho hangata a sebelisoa hampe ho etsa li-cookware tsa tšepe tse entsoeng ka tšepe le li-rotor tsa disc. Grey cast iron (eo hape e bitsoang grey cast iron) ke sehlopha sa tšepe e entsoeng ka tšepe e kenyelletsang mefuta e mengata ea maemo ho latela litlhaloso tse fapaneng tsa maemo a fapaneng. Grey cast iron ke mofuta oa tšepe ea carbon alloy 'me e reha lebitso la eona "grey" ka lebaka la hore likarolo tsa tsona tsa ho seha li shebahala li le thokoa. Sebopeho sa metallographic sa tšepe e bohlooho e entsoe haholo ka flake graphite, matrix ea tšepe le eutectic ea moeli oa lijo-thollo. Nakong ea tšepe e bohlooho, Carbon e ka har'a graphite ea flake. Joalo ka e 'ngoe ea litšepe tse sebelisoang haholo, tšepe e bohlooho e na le litlatsetso tse ngata mabapi le litšenyehelo, bokhoni le machinablity.
Mechanical Properties of Cast Grey Iron | ||||||
| Matla a Mangata a Mehlala ea Karohano ea Liaene tsa Grey Cast | ||||||
| Tlhaloso ea Lintho | HT100 | HT150 | HT200 | HT250 | HT300 | HT350 |
| Lisebelisoa tse Tšoanang | GG-10, EN-GJL-100 | GG-15, EN-GJL-150 | GG-20, EN-GJL-200 | GG-25, EN-GJL-250 | GG-30, EN-GJL-300 | GG-35, EN-GJL-350 |
| Tensile Strength (MPa) | ≥100 | ≥150 | ≥200 | ≥250 | ≥300 | ≥350 |
Matla a Mangata a Mehlala ea ho Lahlela ea Liaene tsa Gray Cast | ||||||
| Tlhaloso ea Lintho | Botenya ba Lebota ba ho Lahlela (mm) | Matla a Tensile (MPa) ≥ | ||||
| Mohlala oa Bar Dia. (mm) | Sethibelo sa Mohlala (mm) | Litšoantšiso (Reference) | ||||
| φ30 | φ50 | R15 | R25 | |||
| HT150, GG-15, EN-GJL-150 | 20-40 | 130 | / | 120 | / | 120 |
| 40-80 | 115 | 115 | 110 | / | 105 | |
| 80-150 | / | 105 | / | 100 | 90 | |
| 150-300 | / | 100 | / | 90 | 80 | |
| HT200, GG-20, EN-GJL-200 | 20-40 | 180 | / | 170 | / | 165 |
| 40-80 | 160 | 155 | 150 | / | 145 | |
| 80-150 | / | 145 | / | 140 | 130 | |
| 150-300 | / | 135 | / | 130 | 120 | |
| HT250, GG-25, EN-GJL-250 | 20-40 | 220 | / | 210 | / | 205 |
| 40-80 | 200 | 190 | 190 | / | 180 | |
| 80-150 | / | 180 | / | 170 | 165 | |
| 150-300 | / | 165 | / | 160 | 150 | |
| HT300, GG-30, EN-GJL-300 | 20-40 | 260 | / | 250 | / | 245 |
| 40-80 | 235 | 230 | 225 | / | 215 | |
| 80-150 | / | 210 | / | 200 | 195 | |
| 150-300 | / | 195 | / | 185 | 180 | |
| HT350, GG-35, EN-GJL-350 | 20-40 | 300 | / | 290 | / | 285 |
| 40-80 | 270 | 265 | 260 | / | 255 | |
| 80-150 | / | 240 | / | 230 | 225 | |
| 150-300 | / | 215 | / | 210 | 205 | |
| Tlhokomeliso: Ha botenya bo feta 300 mm, thepa e nepahetseng ea mochini e netefatsoa ke barekisi le bareki. | ||||||
Matla a Matla a Tšepe e Bohlooho ka Botenya bo Fapaneng ba Lerako | ||||||
| Botenya ba Lebota la Cast (mm) | Tlhaloso ea Lintho | |||||
| HT100, GG-1, EN-GJL-100 | HT150, GG-15, EN-GJL-150 | HT200, GG-20, EN-GJL-200 | HT250, GG-25, EN-GJL-250 | HT300, GG-30, EN-GJL-300 | HT350, GG-35, EN-GJL-350 | |
| Matla a Tensile (MPa) ≥ | ||||||
| 2.5-4.0 | 130 | 175 | 220 | / | / | / |
| 4.0-10 | 270 | |||||
| 10-20 | 100 | 145 | 195 | 240 | 290 | 340 |
| 20-30 | 90 | 130 | 170 | 220 | 250 | 290 |
| 30-50 | 80 | 120 | 160 | 200 | 230 | 260 |
Likarolo tsa ho Lahlela Grey Cast
Grey Aron Casting Truck Spare Parts
Nako ea poso: May-22-2021