Beusi abu, atawa beusi tuang abu, nyaéta jenis beusi tuang anu boga mikrostruktur grafit. Ieu dingaranan warna abu tina narekahan eta ngabentuk. Beusi tuang abu dipaké pikeun adatcastings beusi abudimana stiffness komponén leuwih penting batan kakuatan tensile na, kayaning blok silinder engine durukan internal, housings pompa, awak klep, kotak listrik, counter beurat tur castings hiasan. Konduktivitas termal anu luhur tina beusi tuang abu sareng kapasitas sirah khusus sering dieksploitasi pikeun ngadamel alat masak beusi tuang sareng rotor rem cakram. beusi tuang abu (disebut oge beusi tuang abu) nyaéta grup beusi tuang kaasup sababaraha rupa kelas nurutkeun designation béda tina standar beragam. Beusi tuang abu nyaéta sajenis alloy beusi-karbon sareng namina "abu" tina kanyataan yén bagian motongna katingali kulawu. Struktur metallographic beusi tuang abu utamana diwangun ku flake grafit, matrix logam jeung wates sisikian eutectic. Salila beusi abu, Karbon aya dina grafit flake. Salaku salah sahiji logam casting loba dipaké, tuang beusi abu boga loba kaunggulan dina waragad, castability na machinablity.
Sipat mékanis of matak Gray Beusi | ||||||
| Kakuatan Tensile tina Sampel Tuang Kapisah tina Besi Tuang Gray | ||||||
| Sebutan Bahan | HT100 | HT150 | HT200 | HT250 | HT300 | HT350 |
| Bahan Sarua | 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 |
| Kakuatan Tensile (MPa) | ≥100 | ≥150 | ≥200 | ≥250 | ≥300 | ≥350 |
Kakuatan Tensile of Cast-on Sampel of Gray Cast Irons | ||||||
| Sebutan Bahan | Ketebalan Tembok Casting (mm) | Kakuatan Tensile (MPa) ≥ | ||||
| Sampel Bar Dia. (mm) | Blok Sampel (mm) | Castings (Rujukan) | ||||
| 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 | |
| Catetan: Nalika ketebalanna langkung ti 300 mm, sipat mékanis anu pasti dikonfirmasi ku padagang sareng pembeli. | ||||||
Kakuatan Tensile of Gray Beusi Casting dina Kandel Tembok Béda | ||||||
| Ketebalan Tembok (mm) | Sebutan Bahan | |||||
| 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 | |
| Kakuatan 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 |
Gray matak Beusi Casting Bagian
Gray Beusi Casting Treuk suku cadang
waktos pos: May-22-2021