
Elektroda Grafit UHP Kepadatan Arus Tinggi Resistansi Listrik Rendah untuk Pembuatan Baja (EAF)
Ukuran Elektroda:
| Diameter Nominal (mm) | Diameter Sebenarnya (mm) | Panjang (mm)* | ||||
| mm | inci | Maksimum | Min | Titik Terendah | ||
| 75 | 3 | 78 | 73 | 72 | 1600 | |
| 100 | 4 | 103 | 98 | 97 | 1600 | |
| 130 | 5 | 132 | 127 | 126 | 1600 | |
| 150 | 6 | 154 | 149 | 146 | 1800 | |
| 200 | 8 | 205 | 200 | 197 | 1800 | |
| 225 | 9 | 230 | 225 | 222 | 1800 | |
| 250 | 10 | 256 | 251 | 248 | 1800 | |
| 300 | 12 | 307 | 302 | 299 | 1800 | |
| 350 | 14 | 357 | 352 | 349 | 1800 | |
| 400 | 16 | 409 | 403 | 400 | 1800.2100 | |
| 450 | 18 | 460 | 454 | 451 | 1800.2100 | |
| 500 | 20 | 511 | 505 | 502 | 1800.2100 | |
| 550 | 22 | 562 | 556 | 553 | 2100.2400 | |
| 600 | 24 | 613 | 607 | 604 | 2100.2400 | |
Dimensi Nipel Kerucut 3TPI:
| Diameter Nominal (mm) | Ukuran Puting (mm) | Ukuran Soket (mm) | Ulir (mm) | ||||||||||
| mm | inci | D | L | D | 1 | D | H | ||||||
| 225 | 9 | 139.7 | 0 -0.5 | 203.2 | 0-1 | 90.73 | 0 -5 | <10 | 131.27 | +0.5 0 | 107.6 | +7 0 | 8.47 |
| 250 | 10 | 155.57 | 220.10 | 103.80 | 147.14 | 116.00 | |||||||
| 300 | 12 | 177.17 | 270.90 | 116.90 | 168.73 | 141.50 | |||||||
| 350 | 14 | 215.90 | 304.80 | 150.00 | 207.47 | 158.40 | |||||||
| 400 | 16 | 215.9 | 304.8 | 150 | 207.47 | 158.40 | |||||||
| 400 | 16 | 241.30 | 338.70 | 169.80 | 232.87 | 175.30 | |||||||
| 450 | 18 | 241.30 | 338.70 | 169.80 | 232.87 | 175.30 | |||||||
| 450 | 18 | 273.05 | 355.60 | 198.70 | 264.62 | 183.80 | |||||||
| 500 | 20 | 273.05 | 355.60 | 198.70 | 264.62 | 183.80 | |||||||
| 500 | 20 | 298.45 | 372.60 | 221.30 | 290.02 | 192.20 | |||||||
Dimensi Nipel Kerucut 4TPI:
| Diameter Nominal (mm) | Ukuran Puting (mm) | Ukuran Soket (mm) | Ulir (mm) | ||||||||||
| mm | inci | D | L | D | 1 | D | H | ||||||
| 75 | 3 | 46.04 | 0 -0.5 | 76.20 | 0 -1 | 20.80 | 0 -5 | <7 | 39.72 | +0.5 0 | 44.10 | +7 0 | 6.35 |
| 100 | 4 | 69.85 | 101.60 | 40.30 | 63.53 | 56.80 | |||||||
| 130 | 5 | 79.38 | 127.00 | 45.60 | 73.06 | 69.50 | |||||||
| 150 | 6 | 92.08 | 139.70 | 56.20 | 85.76 | 75.90 | |||||||
| 200 | 8 | 122.24 | 177.80 | 80.00 | 115.92 | 94.90 | |||||||
| 225 | 9 | 139.70 | 177.80 | 97.46 | 133.38 | 94.90 | |||||||
| 250 | 10 | 152.40 | 190.50 | 108.00 | 146.08 | 101.30 | |||||||
| 300 | 12 | 177.80 | 215.90 | 129.20 | 171.48 | 114.00 | |||||||
| 350 | 14 | 203.20 | 254.00 | 148.20 | 196.88 | 133.00 | |||||||
| 400 | 16 | 222.25 | 304.80 | 158.80 | 215.93 | 158.40 | |||||||
| 400 | 16 | 222.25 | 355.60 | 150.00 | 215.93 | 183.80 | |||||||
| 450 | 18 | 241.30 | 304.80 | 177.90 | 234.98 | 158.40 | |||||||
| 450 | 18 | 241.30 | 355.60 | 169.42 | 234.98 | 183.80 | |||||||
| 500 | 20 | 269.88 | 355.60 | 198.00 | 263.56 | 183.80 | |||||||
| 500 | 20 | 269.88 | 457.20 | 181.08 | 263.56 | 234.60 | |||||||
| 550 | 22 | 298.45 | 355.60 | 226.58 | 292.13 | 183.80 | |||||||
| 550 | 22 | 298.45 | 457.20 | 209.65 | 292.13 | 234.60 | |||||||
| 600 | 24 | 317.50 | 355.60 | 245.63 | 311.18 | 183.30 | |||||||
| 600 | 24 | 317.50 | 457.20 | 228.70 | 311.18 | 234.60 | |||||||
Spesifikasi RP:
| Barang | Satuan | Diameter Nominal (mm) | ||||
| 75~130 | 150~225 | 250~300 | 350~500 | |||
| Resistivitas Listrik Maksimum | Elektroda | μΩ·m | 8.5 | 9.0 | 9.0 | 9.0 |
| Puting susu | 6.5 | 6.5 | 6.5 | 6.5 | ||
| Kekuatan Lentur Minimum | Elektroda | MPa | 9.8 | 9.8 | 7.8 | 6.4 |
| Puting susu | 13.0 | 13.0 | 13.0 | 13.0 | ||
| Modulus Elastisitas Maksimum | Elektroda | GPa | 9.3 | 9.3 | 9.3 | 9.3 |
| Puting susu | 14.0 | 14.0 | 14.0 | 14.0 | ||
| Kepadatan Massal Min | Elektroda | g/cm³ | 1.58 | 1.52 | 1.52 | 1.52 |
| Puting susu | 1.68 | 1.68 | 1.68 | 1.68 | ||
| CTE Maks (100ºC~600ºC) | Elektroda | 10⁶ /°C | 2.9 | 2.9 | 2.9 | 2.9 |
| Puting susu | 2.7 | 2.7 | 2.8 | 2.8 | ||
| Ash Max | % | 0.5 | 0.5 | 0.5 | 0.5 | |
Spesifikasi HP:
| Barang | Satuan | Diameter Nominal (mm) | |||
| 200~400 | 450~500 | 550~600 | |||
| Resistivitas Listrik Maksimum | Elektroda | μΩ·m | 6.8 | 7.5 | 7.0 |
| Puting susu | 5.5 | 5.5 | 5.0 | ||
| Kekuatan Lentur Minimum | Elektroda | MPa | 10.5 | 9.8 | 10.0 |
| Puting susu | 14.0 | 14.0 | 16.0 | ||
| Modulus Elastisitas Maksimum | Elektroda | GPa | 12.0 | 12.0 | 12.0 |
| Puting susu | 16.0 | 16.0 | 18.0 | ||
| Kepadatan Massal Min | Elektroda | g/cm³ | 1.60 | 1.60 | 1.65 |
| Puting susu | 1.70 | 1.70 | 1.75 | ||
| CTE Maks (100ºC~600ºC) | Elektroda | 10⁶ /°C | 2.4 | 2.4 | 2.4 |
| Puting susu | 2.2 | 2.2 | 2.2 | ||
| Ash Max | % | 0.3 | 0.3 | 0.3 | |
Spesifikasi UHP:
| Barang | Satuan | Diameter Nominal (mm) | |||
| 300~400 | 450~500 | 550~600 | |||
| Resistivitas Listrik Maksimum | Elektroda | μΩ·m | 6.2 | 6.3 | 5.8 |
| Puting susu | 4.5 | 4.5 | 4.0 | ||
| Kekuatan Lentur Minimum | Elektroda | MPa | 11.5 | 11.5 | 11.0 |
| Puting susu | 20.0 | 20.0 | 22.0 | ||
| Modulus Elastisitas Maksimum | Elektroda | GPa | 14.0 | 14.0 | 14.0 |
| Puting susu | 20.0 | 20.0 | 22.0 | ||
| Kepadatan Massal Min | Elektroda | g/cm³ | 1.71 | 1.70 | 1.68 |
| Puting susu | 1.76 | 1.78 | 1.80 | ||
| CTE Maks (100ºC~600ºC) | Elektroda | 10⁶ /°C | 1.5 | 1.5 | 1.5 |
| Puting susu | 1.4 | 1.4 | 1.3 | ||
| Ash Max | % | 0.3 | 0.3 | 0.3 | |
Kapasitas Penghantaran Arus Elektroda Grafit RP
| Diameter nominal (mm) | Kapasitas Daya Angkut Arus (A) | Kepadatan Arus (A/cm²) |
| 75 | 1000~1400 | 22-31 |
| 100 | 1500~2400 | 19-30 |
| 130 | 2200~3400 | 17~26 |
| 150 | 3000~4500 | 16-25 |
| 200 | 5000~6900 | 15-21 |
| 250 | 7000~10000 | 14-20 |
| 300 | 10000~13000 | 14~18 |
| 350 | 13500~18000 | 14~18 |
| 400 | 18000~23500 | 14~18 |
| 450 | 22000~27000 | 13~17 |
| 500 | 25000~32000 | 13~16 |
| 550 | 30000~42000 | 13~16 |
| 600 | 40000~53000 | 13~16 |
Kapasitas Penghantaran Arus Elektroda Grafit HP
| Diameter nominal (mm) | Kapasitas Daya Angkut Arus (A) | Kepadatan Arus (A/cm²) |
| 200 | 5500~9000 | 18-28 |
| 250 | 8000~13000 | 18-25 |
| 300 | 13000~17400 | 17~24 |
| 350 | 17400~24000 | 17~24 |
| 400 | 21000~31000 | 16~24 |
| 450 | 25000~40000 | 15~24 |
| 500 | 30000~48000 | 15~24 |
| 550 | 44000~58000 | 15~24 |
| 600 | 52000~67000 | 15~24 |
Kapasitas Penghantaran Arus Elektroda Grafit UHP
| Diameter nominal (mm) | Kapasitas Daya Angkut Arus (A) | Kepadatan Arus (A/cm²) |
| 300 | 15000~22000 | 20~30 |
| 350 | 20000~30000 | 20~30 |
| 400 | 25000~40000 | 19~30 |
| 450 | 32000~45000 | 19~27 |
| 500 | 38000~55000 | 18~27 |
| 550 | 45000~70000 | 18~27 |
| 600 | 50000~97000 | 18~27 |
Tindakan pencegahan penggunaan:
1. Saat memilih diameter elektroda untuk pembuatan baja, harap perhatikan kapasitas arus elektroda.
2. Elektroda grafit harus dilindungi dari hujan dan salju selama pengangkutan dan penyimpanan. Sebelum digunakan, elektroda harus dikeringkan.
3. Elektroda grafit harus ditangani dengan hati-hati selama pemuatan, pembongkaran, dan pengangkutan untuk melindungi ulir dan mencegah kerusakan.
4. Sebelum menghubungkan elektroda, ulir soket elektroda harus dibersihkan dengan udara bertekanan, kemudian puting dan elektroda harus dikencangkan.
5. Perangkat pengangkat elektroda tidak boleh digoyangkan selama pengoperasian untuk mencegah puting elektroda terlepas dan menyebabkan elektroda tergelincir.
6. Pemegang elektroda tidak boleh memegang elektroda di dekat soket puting.
7. Saat mengisi tungku, balok baja besar harus diletakkan di bagian bawah untuk mencegah material runtuh dan merusak elektroda selama peleburan.











