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29Cr-9Ni+

Description

29Cr-9Ni+ Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 29Cr-9Ni+
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 29Cr-9Ni+
ASTM HH
UNS J93503
ASTM HI
UNS J94003
28Cr-15Ni
ASTM HK
UNS J94224
25Cr-20Ni+
ASTM HE
UNS J93403

Chemical composition(mass fraction)(wt.%) of the 29Cr-9Ni+

 

 

C
Si
Mn
P
S
Cr Ni
0.2-0.5 2.0 2.0 0.04 0.04 26.0-30.0 8.0-11.0
Mo Al Cu Nb Ti V Ce
≤0.5            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 29Cr-9Ni+

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)
663 (≥) 127 (≥) 34 42 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 29Cr-9Ni+

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 - -     0.33 -  
469 774 - 31.3 123   -  
561 - 31 14.2   343 311

Heat Treatment of steel grade 29Cr-9Ni+

Heat treated : 1295°C - 1875°C

Technological Curves of steel grade 29Cr-9Ni+


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