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1.4428

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Germany DIN 1.4428 Wrought stainless steels for surgical implants; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.4428 / 1.4428
Category Grade Standard Region/Area Standard Content
Metals 1.4428 DIN 17443 Germany Wrought stainless steels for surgical implants; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 1.4428

Element Min Max Similar
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 11.0000 14.0000 -
N 0.1200 0.2200 -
Mo 2.5000 3.0000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0300 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 11.5000 14.5000 -
N 0.1200 0.2200 -
Mo 2.5000 3.0000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0300 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 11.0000 14.0000 -
N 0.1200 0.2200 -
Mo 2.5000 3.0000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0300 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 11.0000 14.0000 -
N 0.1200 0.2200 -
Mo 2.5000 3.0000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0300 -
Si - 1.0000 -
S - 0.0150 -
P+S - - -
P - 0.0450 -
Ni 11.0000 14.0000 -
N 0.1200 0.2200 -
Mo 2.5000 3.0000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0300 -
Si - 1.0000 -
S - 0.0150 -
P - 0.0450 -
Ni 11.0000 14.0000 -
N 0.1200 0.2200 -
Mo 2.5000 3.0000 -
Mn - 2.0000 -
Cr 16.5000 18.5000 -
C - 0.0300 -

Mechanical Properties of steel grade 1.4428

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)
324 (≥) 999 (≥) 22 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 1.4428

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 - -     0.13 -  
886 964 - 22.3 231   -  
435 - 24 23.2   231 221

Heat Treatment of steel grade 1.4428

Heat treated : 1533°C - 1431°C

Technological Curves of steel grade 1.4428

Cross Reference Table (Equivalent Grade) of 1.4428

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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