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Mandrel is one of the key instruments to manufacture seamless steel tubes.We are specialized in manufacturing mandrels with superior quality and competitive price.The raw material is AISI H13 or 4CrMo Si V1 , based on enterprise specifications. Besides,we can design the mandrel for our customers according to our customers' requirements.With the complete set of facilities and excellent technologists ,our products enjoy a ready market both at home and abroad.
Mandrel features are as follows:
| Mechanical Property | ||||||
| Specification | Tensile intensity (MPa) | Yield intensity(MPa) | Elongation(MPa) | Ψ(%) | Akv(J) | Hardness HB |
| ≤200mm | 1127-1274 | ≥931 | ≥8 | ≥25 | ≥20 | 350-390 |
| 200mm | 1078-1274 | ≥882 | ≥8 | ≥25 | ≥20 | 330-375 |
mandrel