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Description

MT-429 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: MT-429
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy MT-429
MT-305
MT-309S
MT-309S-Cb
MT-310S
MT-316
MT-316L
MT-317
MT-321
MT-330
MT-347

Chemical composition(mass fraction)(wt.%) of the MT-429

 


C
Si
Mn
P
S
Cr Ni
0.12 1 1 0.04 0.03 14-16 ≤0.5
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade MT-429

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)
294 (≥) 647 (≥) 31 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade MT-429

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
12 - -     0.23 -  
491 918 - 32.3 232   -  
289 - 11 13.2   321 141

Heat Treatment of steel grade MT-429

Heat treated : 1392°C - 1541°C

Technological Curves of steel grade MT-429


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