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China GB FZ21070 滑动轴承 粉末冶金轴承技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FZ21070 / FZ21070
Category Grade Standard Region/Area Standard Content
Metals FZ21070 GB/T 2688 China 滑动轴承 粉末冶金轴承技术条件

Chemical composition(mass fraction)(wt.%) of the FZ21070

Element Min Max Similar
Total Others - 1.5000 -
Pb 2.0000 4.0000 -
Zn 5.0000 7.0000 -
Sn 5.0000 7.0000 -
Cu - - -
C 0.5000 2.0000 -
Fe - 0.5000 -

Mechanical Properties of steel grade FZ21070

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)
332 (≥) 213 (≥) 44 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade FZ21070

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
14 - -     0.34 -  
567 814 - 34.3 314   -  
965 - 31 42.2   342 432

Heat Treatment of steel grade FZ21070

Heat treated : 1579°C - 1226°C

Technological Curves of steel grade FZ21070

Cross Reference Table (Equivalent Grade) of FZ21070

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