Tempat asal:
Tiongkok
Nama merek:
XI'AN RIG
Sertifikasi:
API
Nomor model:
NC23-31
Pengantar Produk
Kerah bor non-magnetik mengadopsi baja tahan karat karbon rendah yang dikembangkan sendiri, menerapkan spesifikasi API dan standar SY / T5144, dapat melakukan pengolahan gulung dingin pada benang,dan dapat memproses benang bahu ganda dan benang khusus lainnya.![]()
Dimensi kerah non-magnetik
| Sel. | OD (mm) | OD (dalam) | ID (mm) | ID (dalam) | mm Panjang | Df mm | Rasio kekuatan lentur |
|---|---|---|---|---|---|---|---|
| NC23-31 | 79.4 | 3 1/8 | 31.8 | 1 1/4 | 9150 | 76.2 | 2.57:1 |
| NC26-35 | 88.9 | 3 1/2 | 38.1 | 1 1/2 | 9150 | 82.9 | 2.42:1 |
| NC31-41 | 104.8 | 4 1/8 | 50.8 | 2 | 9150 / 9450 | 100.4 | 2.43:1 |
| NC35-47 | 120.7 | 4 3/4 | 50.8 | 2 | 9150 / 9450 | 114.7 | 2.58:1 |
| NC38-50 | 127.0 | 5 | 57.2 | 2 1/4 | 9150 / 9450 | 121.0 | 2.38:1 |
| NC44-60 | 152.4 | 6 | 57.2 | 2 1/4 | 9150 / 9450 | 144.5 | 2.49:1 |
| NC44-60 | 152.4 | 6 | 71.4 | 2 13/16 | 9150 / 9450 | 144.5 | 2.84:1 |
| NC44-62 | 158.8 | 6 1/4 | 57.2 | 2 1/4 | 9150 / 9450 | 149.2 | 2.91:1 |
| NC46-62 | 158.8 | 6 1/4 | 71.4 | 2 13/16 | 9150 / 9450 | 150.0 | 2.63:1 |
| NC46-65 | 165.1 | 6 1/2 | 57.2 | 2 1/4 | 9150 / 9450 | 154.8 | 2.76:1 |
| NC46-65 | 165.1 | 6 1/2 | 71.4 | 2 13/16 | 9150 / 9450 | 154.8 | 3.05:1 |
| NC46-47 | 171.4 | 6 3/4 | 57.2 | 2 1/4 | 9150 / 9450 | 159.5 | 3.18:1 |
| NC50-67 | 171.4 | 6 3/4 | 71.4 | 2 13/16 | 9150 / 9450 | 159.5 | 2.37:1 |
| NC50-70 | 177.8 | 7 | 57.2 | 2 1/4 | 9150 / 9450 | 164.7 | 2.54:1 |
| NC50-70 | 177.8 | 7 | 71.4 | 2 13/16 | 9150 / 9450 | 164.7 | 2.73:1 |
| NC50-72 | 184.2 | 7 1/4 | 71.4 | 2 13/16 | 9150 / 9450 | 169.5 | 3.12:1 |
| NC56-77 | 196.8 | 7 3/4 | 71.4 | 2 13/16 | 9150 / 9450 | 185.3 | 2.70:1 |
| NC 56-80 | 203.2 | 8 | 71.4 | 2 13/16 | 9150 / 9450 | 190.1 | 3.02:1 |
| 65/8REG | 208.6 | 8 1/4 | 71.4 | 2 13/16 | 9150 / 9450 | 195.7 | 2.93:1 |
| NC61-90 | 228.6 | 9 | 71.4 | 2 13/16 | 9150 / 9450 | 212.7 | 3.17:1 |
| 75/8REG | 241.3 | 9 1/2 | 76.2 | 3 | 9150 / 9450 | 223.8 | 2.81:1 |
| NC70-97 | 247.6 | 9 3/4 | 76.2 | 3 | 9150 / 9450 | 232.6 | 2.57:1 |
| NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150 / 9450 | 237.3 | 2.81:1 |
| 85/8REG | 279.4 | 11 | 76.2 | 3 | 9150 / 9450 | 266.7 | 2.84:1 |
Dimensi Toleransi Utama Kerah Bor Non-Magnetik
| OD (mm) | OD (dalam) | OD | ID | Panjang | Df / rasio kekuatan lentur |
|---|---|---|---|---|---|
| ≤88.9 | ≤3 1/2 | +1.2 |
+1.6 |
+152.4 | ± 0.4 |
| > 88,9 ~ 114.3 | > 3 1/2 - 4 1/2 | +1.6 |
+1.6 |
+152.4 | ± 0.4 |
| > 114,3 ~ 139.7 | > 4 1/2 - 5 1/2 | +2.0 |
+1.6 |
+152.4 | ± 0.4 |
| > 139,7 ~ 165.1 | > 5 1/2 - 6 1/2 | +3.2 |
+1.6 |
+152.4 | ± 0.4 |
| > 165,1 ~ 215.9 | > 6 1/2 - 8 1/2 | +4.0 |
+1.6 |
+152.4 | ± 0.4 |
| > 215,9 ~ 241.3 | > 8 1/2 - 9 1/2 | +4.8 |
+1.6 |
+152.4 | ± 0.4 |
| > 241.3 | >9 1/2 | +6.4 |
+1.6 |
+152.4 | ± 0.4 |
Sifat-sifat mekanik dari kerah bor non-magnetik
| OD (mm) | OD (dalam) |
Kekuatan hasil
MPa
|
Kekuatan tarik Mpa |
Perpanjangan
|
|---|---|---|---|---|
| 88.9-174.6 | 3 1/8 ~ 6 3/4 | ≥ 758 | ≥ 827 | ≥ 18 |
| 177.8-279.4 | 7-11 | ≥ 689 | ≥ 758 | ≥ 20 |
Kerah bor non-magnetik
sifat magnetik
(Ladang magnetik = 1x105/4 biA/m)
1Permeabilitas relatif μr<1.010
2. gradien medan magnet: △B≤ 0,05μT
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