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B438 CFTG-3806-K22

America ASTM B438CFTG-3806-K22 青铜烧结轴承(油浸的) and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals B438 CFTG-3806-K22 ASTM B438 America 青铜烧结轴承(油浸的)

Chemical composition(mass fraction)(wt.%) of the B438 CFTG-3806-K22

Element Min Max Similar
Sn 5.5000 6.5000 -
Other - 2.0000 -
Fe 36.0000 40.0000 -
Cu - - -
C 0.5000 1.3000 -

Mechanical Properties of steel grade B438 CFTG-3806-K22

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)
337 (≥) 297 (≥) 44 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade B438 CFTG-3806-K22

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
13 - -     0.32 -  
836 321 - 34.3 222   -  
475 - 44 43.2   113 413

Heat Treatment of steel grade B438 CFTG-3806-K22

Heat treated : 1354°C - 1799°C

Technological Curves of steel grade B438 CFTG-3806-K22

Cross Reference Table (Equivalent Grade) of B438 CFTG-3806-K22

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