Fe-Cr-Al alloy karo resistivitas dhuwur lan suhu serviceability saka kanggo alloy NiCr lan uga duwe rega murah.
Aplikasi:Bahan paduan | Komposisi kimia% | |||||||||
C | P | S | Mn | Si | Cr | Ni | Al | Fe | liyane | |
maksimal (≦) | ||||||||||
1Cr13Al4 | 0.12 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 12.5-15.0 | - | 3.5-4.5 | Ngaso | - |
0Cr15Al5 | 0.12 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 14.5-15.5 | - | 4.5-5.3 | Ngaso | - |
0Cr25Al5 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦0.60 | 23.0-26.0 | ≦0.60 | 4.5-6.5 | Ngaso | - |
0Cr23Al5 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦0.60 | 20.5-23.5 | ≦0.60 | 4.2-5.3 | Ngaso | - |
0Cr21Al6 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 19.0-22.0 | ≦0.60 | 5.0-7.0 | Ngaso | - |
0Cr19Al3 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 18.0-21.0 | ≦0.60 | 3.0-4.2 | Ngaso | - |
0Cr21Al6Nb | 0.05 | 0,0025 | 0,0025 | 0.7 | ≦0.60 | 21.0-23.0 | ≦0.60 | 5.0-7.0 | Ngaso | Nb nambah0.5 |
0Cr27Al7Mo2 | 0.05 | 0,0025 | 0,0025 | 0.2 | ≦0.40 | 26.5-27.8 | ≦0.60 | 6.0-7.0 | Ngaso |
sasmita | 1Cr13Al4 | TK1 | 0Cr25Al5 | 0Cr20Al6RE | 0Cr23Al5 | 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Komposisi nominal% | Cr | 12.0-15.0 | 22.0-26.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 5.0-7.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | pas | 0.04-1.0 | pas | pas | pas | pas | pas | pas | |
Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | ||
Nb0.5 | Mo1.8-2.2 | ||||||||
Suhu operasi maksimal (°C) | 650 | 1400 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resisivity 20 ℃ (Ω/mm2/m) | 1.25 | 1.48 | 1.42 | 1.40 | 1.35 | 1.23 | 1.45 | 1.53 | |
Kapadhetan (g/cm³) | 7.4 | 7.1 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Konduktivitas termal ing 20 ℃, W / (M·K) | 0.49 | 0.49 | 0.46 | 0.48 | 3.46 | 0.49 | 0.49 | 0.49 | |
Koefisien Ekspansi Linear (×10°6/℃)20-1000℃) | 15.4 | 16 | 16 | 14 | 15 | 13.5 | 16 | 16 | |
Perkiraan Titik Lebur (℃) | 1450 | 1520 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Kekuwatan Tarik (N/mm2) | 580-680 | 680-830 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Elongasi (%) | › 16 | › 10 | › 12 | › 12 | › 12 | › 12 | › 12 | › 10 | |
Bagean Variasi Shrink Rate(%) | 65-75 | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Frekuensi Bengkok Berulang (F/R) | › 5 | › 5 | › 5 | › 5 | › 5 | › 5 | › 5 | › 5 | |
Kekerasan (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Struktur Mikrografi | ferit | ferit | ferit | ferit | ferit | ferit | ferit | ferit | |
Sifat Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | |
Urip Cepet (h/℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |