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1. Classification by Thickness:
2. Production Method:
3. Surface Characteristics:
4. Classified by Use:
| Specification | NM360 NM400 NM450 NM500 |
| Technology | Hot Rolled |
| Outer Diameter | 3/8" NB To 30" NB (Nominal Bore Size) |
| Wall Thickness | 0.3mm-300mm |
| Length | 12 Meters, 6 Meters, or Customized Size |
| Tensile Strength | 58 to 71 ksi |
| Yield Strength | 34 ksi min |