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GGG-NiCr 20 3

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Germany DIN GGG-NiCr203 Austenitic cast iron and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GGG-NiCr203 / GGG-NiCr 20 3
Category Grade Standard Region/Area Standard Content
Metals GGG-NiCr 20 3 DIN 1694 Germany Austenitic cast iron

Chemical composition(mass fraction)(wt.%) of the GGG-NiCr 20 3

Element Min Max Similar
Ni 18.0000 22.0000 -
Cr 2.5000 3.5000 -
Mn 0.5000 1.5000 -
Si 1.5000 3.0000 -
C - 3.0000 -

Mechanical Properties of steel grade GGG-NiCr 20 3

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)
738 (≥) 194 (≥) 33 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade GGG-NiCr 20 3

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
32 - -     0.21 -  
237 268 - 44.3 424   -  
241 - 33 12.2   312 211

Heat Treatment of steel grade GGG-NiCr 20 3

Heat treated : 1586°C - 1873°C

Technological Curves of steel grade GGG-NiCr 20 3

Cross Reference Table (Equivalent Grade) of GGG-NiCr 20 3

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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