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Description

Germany DIN 1.0729 Specialsteel this quality is specially designed for the production of parts of delicate use such as automotive, watch and micro-motor industries, mechanical constructions, jig construction or settings. and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.0729
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 1.0729 Austenite DIN Germany this quality is specially designed for the production of parts of delicate use such as automotive, watch and micro-motor industries, mechanical constructions, jig construction or settings.

Chemical composition(mass fraction)(wt.%) of the 1.0729

C Si Mn P S Fe
0.65 -0.75 0.10 -0.40 0.50 -0.90 ≤0.07 0.15 -0.25 ≤Bal

Mechanical Properties of steel grade 1.0729

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)
922 (≥) 697 (≥) 41 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 1.0729

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 - -     0.34 -  
464 575 - 44.3 332   -  
374 - 41 33.2   432 241

Heat Treatment of steel grade 1.0729

Heat treated : 1357°C - 1272°C

Technological Curves of steel grade 1.0729


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