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Description

Germany AWS SEW 400, DIN 17442 (1977), 1.4120 Specialsteel Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4120
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.4120 AWS Germany Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments

Chemical composition(mass fraction)(wt.%) of the 1.4120

C Si Mn P S Cr Mo Ni
0.17 -0.22 ≤1.00 ≤1.00 ≤0.040 ≤0.015 12.0 -14.0 0.90 -1.30 ≤1.00

Mechanical Properties of steel grade 1.4120

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)
318 (≥) 133 (≥) 13 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade 1.4120

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
34 - -     0.34 -  
793 952 - 44.3 321   -  
692 - 44 21.2   412 411

Heat Treatment of steel grade 1.4120

Heat treated : 1443°C - 1895°C

Technological Curves of steel grade 1.4120

Cross Reference Table (Equivalent Grade) of 1.4120

Grade Standard Country Application
X20CrMo13
G-X20CrMo13
X20CrMo13
X20CrMo13

Relevant standard of 1.4120

SEW 400 Stainless steels for rolled and forged products SEW-400.pdf
DIN 17442 (1977) Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments DIN-17442-(1977).pdf

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