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0.6680

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Germany DIN 0.6680 Austenitic cast iron and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 0.6680 / 0.6680
Category Grade Standard Region/Area Standard Content
Metals 0.6680 DIN 1694 Germany Austenitic cast iron

Chemical composition(mass fraction)(wt.%) of the 0.6680

Element Min Max Similar
Si 5.0000 6.0000 -
Ni 29.0000 32.0000 -
Mn 0.5000 1.5000 -
Cr 4.5000 5.5000 -
C - 2.5000 -

Mechanical Properties of steel grade 0.6680

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)
216 (≥) 864 (≥) 31 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade 0.6680

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
31 - -     0.31 -  
362 455 - 12.3 244   -  
774 - 11 14.2   144 414

Heat Treatment of steel grade 0.6680

Heat treated : 1894°C - 1545°C

Technological Curves of steel grade 0.6680

Cross Reference Table (Equivalent Grade) of 0.6680

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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