Minimum Bend Radius (MBR) – ISO 28017
| Nominal size | Minimum bend radius in mm |
|---|
| Type 1 | Type 2 |
|---|
| - | Grade A | Grade B | Grade C |
|---|
| 100 |
600 |
500 |
800 |
1200 |
| 150 |
900 |
750 |
1200 |
1800 |
| 200 |
1200 |
1000 |
1600 |
2400 |
| 250 |
1500 |
1250 |
2000 |
3000 |
| 300 |
1800 |
1500 |
2400 |
3600 |
| 350 |
2100 |
1750 |
2800 |
4200 |
| 400 |
2400 |
2000 |
3200 |
4800 |
| 450 |
2700 |
2250 |
3600 |
5400 |
| 500 |
3000 |
2500 |
4000 |
6000 |
| 550 |
3300 |
2750 |
4400 |
6600 |
| 600 |
3600 |
3000 |
4800 |
7200 |
| 650 |
3900 |
3250 |
5200 |
7800 |
| 700 |
4200 |
3500 |
5600 |
8400 |
| 750 |
4500 |
3750 |
6000 |
9000 |
| 800 |
4800 |
4000 |
6400 |
9600 |
| 850 |
5100 |
4250 |
6800 |
10200 |
| 900 |
5400 |
4500 |
7200 |
10800 |
| 1000 |
6000 |
- |
- |
- |
| 1100 |
6600 |
- |
- |
- |
| 1200 |
7200 |
- |
- |
- |
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