sell mandrel bar

Our company is capable of producing a series of mandrel, such as MPM, PQF, FQM, with the diameter of Φ80~450mm, the length of 2500-17500mm and the material of H13 & 42CrMo

Mandrel is one of the key instruments to manufacture seamless steel tubes.as a result of making the best use of our advantage in steel making, forging, heat treatment, machining plating chromium adequately. The raw steel material is AISI H13 or 4CrMoSiV1, based on enterprise specifications.

SIZE   （Q+T）	Tensile Strength MPa	Yield Strength MPa	Elongation %	Reduction of area %	Charpy V-notch Impact test（J） (room temperature)	Hardness HB
≤200mm	1127-1274	≥931	≥8	≥25	≥20	350-390
≥200mm	1078-1274	≥882	≥8	≥25	≥20	330-375

jinyuanheavy(at)gmail(dot)com