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Poland PN C730 Hot rolling tubes for hydraulic cylindres and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C730 / C730
Category Grade Standard Region/Area Standard Content
Metals C730 PN H74248 Poland Hot rolling tubes for hydraulic cylindres

Chemical composition(mass fraction)(wt.%) of the C730

Element Min Max Similar
P - 0.0250 -
S - 0.0250 -
CEV - 0.8500 -

Mechanical Properties of steel grade C730

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
346 (≥) 963 (≥) 11 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade C730

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
33 - -     0.42 -  
296 758 - 42.3 411   -  
387 - 44 42.2   144 121

Heat Treatment of steel grade C730

Heat treated : 1844°C - 1967°C

Technological Curves of steel grade C730

Cross Reference Table (Equivalent Grade) of C730

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