Ringkesan Baja Rel
Logam sepur, sing umum dikenal minangka baja rel sepur, yaiku baja khusus ing produk metalurgi sing utamane digunakake kanggo rel sepur. Rel nanggung bobot lan beban dinamis sepur. Permukaane aus, lan endhase kena dampak. Rel uga kena tekanan lentur sing gedhe. Tekanan sing rumit lan layanan jangka panjang nyebabake kerusakan ing rel.
Spesifikasi Rel Ringan
| Tipe | Jembaré Sirah (mm) | Dhuwur (mm) | Ambane Ngisor | Ketebalan Jaring (mm) | Bobot Teori (kg/m3) | Kelas | Dawane |
| 8kg | 25 | 65 | 54 | 7 | 8.42 | Q235B | 6M |
| 12kg | 38.1 | 69.85 | 69.85 | 7.54 | 12.2 | Q235B/55Q | 6M |
| 15kg | 42.86 | 79.37 | 79.37 | 8.33 | 15.2 | Q235B/55Q | 8M |
| 18kg | 40 | 90 | 80 | 10 | 18.6 | Q235B/55Q | 8-9M |
| 22kg | 50.8 | 93.66 | 93.66 | 10.72 | 22.3 | Q235B/55Q | 7-8-10M |
| 24kg | 51 | 107 | 92 | 10.9 | 24.46 | Q235B/55Q | 8-10M |
| 30kg | 60.33 | 107.95 | 107.95 | 12.3 | 30.1 | Q235B/55Q | 10M |
Spesifikasi Rel Berat
| Jembaré Sirah (mm) | Dhuwur (mm) | Ambane Ngisor | Ketebalan Jaring (mm) | Bobot Teori (kg/m3) | Kelas | Dawane | |
| P38 | 68 | 134 | 114 | 13 | 38.73 | 45MN/71MN | |
| P43 | 70 | 140 | 114 | 14.5 | 44.653 | 45MN/71MN | 12.5M |
| P50 | 70 | 152 | 132 | 15.5 | 51.51 | 45MN/71MN | 12.5M |
| P60 | 73 | 176 | 150 | 16.5 | 60.64 | U71MN | 25M |
Fungsi Rel Baja
-a. Rodha pandhuan dhukungan
-b. Nyedhiyakake resistensi sing luwih sithik kanggo muter roda
-c. Nggandhengake munggah lan mudhun, ngirim gaya menyang wong sing lagi turu
-dMinangka sirkuit konduktor-trek









