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B438 CTG-1001-K23-MOD

America ASTM B438CTG-1001-K23-MOD 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 CTG-1001-K23-MOD ASTM B438 America 青铜烧结轴承(油浸的)

Chemical composition(mass fraction)(wt.%) of the B438 CTG-1001-K23-MOD

Element Min Max Similar
C 0.5000 1.7500 -
Ni - 0.3500 -
Cu - - -
Zn - 0.7500 -
Sn 9.5000 10.5000 -
Sb - 0.2500 -
Fe - 1.0000 -
Pb 2.0000 4.0000 -
Other - 0.5000 -
Sn 9.5000 10.5000 -
Pb 2.0000 4.0000 -
Other - 0.5000 -
Fe - 1.0000 -
Cu - - -
C 0.5000 1.7500 -

Mechanical Properties of steel grade B438 CTG-1001-K23-MOD

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)
745 (≥) 224 (≥) 14 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade B438 CTG-1001-K23-MOD

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
22 - -     0.11 -  
359 917 - 31.3 133   -  
281 - 42 12.2   434 311

Heat Treatment of steel grade B438 CTG-1001-K23-MOD

Heat treated : 1883°C - 1541°C

Technological Curves of steel grade B438 CTG-1001-K23-MOD

Cross Reference Table (Equivalent Grade) of B438 CTG-1001-K23-MOD

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