Jiyuan Youngbo Pipemould&Shaft Co., Ltd.

China Manufacturer with main products: Forged Mold, Chilled Cast Iron Roll, Nodular Iron Roll, Special Steel Roll, Adamite Steel Roll, High Speed Steel Roll, Chromium Steel Roll,...

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mandrel bar


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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Specifications

Mandrel bar is the pipe molds for seamless pipe
Manufacturing price and excellent quality
Material: H13 & 42CrMo
Diameter: 80-450mm
Length: 2500-17500mm
Mandrel is one of the key instruments to manufacture seamless steel tubes. Our company is capable of producing a series of mandrel, such as MPM, PQF, FQM, with the diameter ofΦ80-450mm, the length of 2500-17500mm, 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.
Mechanical property
 
Specification
Tensile intensity
σb
(MPa)
Yield intensity
σ0.2
(MPa)
Elongation
δ5
(MPa)
Ψ
(%)
Akv
(J)
Hardness
HB
less and equal200mm
1127-1274
≥931
≥8
≥25
≥20
350-390
over 200mm
1078-1274
≥882
≥8
≥25
≥20
330-375

Service Process

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