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A534 20Cr3

America ASTM A53420Cr3 用于耐摩擦轴承的渗碳钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A53420Cr3 / A534 20Cr3
Category Grade Standard Region/Area Standard Content
Metals A534 20Cr3 ASTM A534 America 用于耐摩擦轴承的渗碳钢

Chemical composition(mass fraction)(wt.%) of the A534 20Cr3

Element Min Max Similar
Si - 0.4000 -
S - 0.0150 -
P - 0.0250 -
O - 0.0020 -
Mn 0.6000 1.0000 -
Cu - 0.3000 -
Cr 0.6000 1.0000 -
C 0.1700 0.2300 -
Al - 0.0500 -

Mechanical Properties of steel grade A534 20Cr3

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)
933 (≥) 755 (≥) 23 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade A534 20Cr3

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
21 - -     0.44 -  
371 385 - 22.3 113   -  
775 - 44 33.2   122 441

Heat Treatment of steel grade A534 20Cr3

Heat treated : 1829°C - 1387°C

Technological Curves of steel grade A534 20Cr3

Cross Reference Table (Equivalent Grade) of A534 20Cr3

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