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Cast iron ductile iron GGG40 properties

Cast iron ductile iron GGG40 properties

Cast ductile iron GGG40 is a ductile iron grade of Germany standard

Alternative names:
EN-GJS-400-15 (EU Steel Grade), EN-JL1030 (EU Steel Number), EN-GJS-400-18 (EU Steel Grade), 5.3105 (EU Steel Number), EN-GJS-400-18-LT (EU Steel Grade), 5.3103 (EU Steel Number), 60-40-18 (USA ASTM A536), 65-45-12 (USA ASTM A536), QT400. 

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As the material property values below are generalized figures only for quick reference and may only be applicable to certain test conditions. Thus, it is normal if you find the figures different from other reference sources that are based on a different set of test conditions.

Material PropertyValues
Glass Transition Temperature-
Melting Temperature1150 - 1250 ℃
Service Temperature-100 - 400 ℃
Density7.1 - 7.3 g/cm³
Young's Modulus, E167 - 170 GPa
Compressive Strength, σc-
Yield Strength, σy250 MPa
Tensile Strength, σts400 MPa
Poisson's Ratio0.21 - 0.26
Shear Modulus, G-
Vickers Hardness-
Fracture Toughness, KIC (plane-strain)22 - 54 MPa/√m
Thermal Conductivity, λ25 - 42 W/m.K
Thermal Expansion, α10 - 11.5 E-6/C
Production Energy16.4 - 18.2 MJ/kg
CO2 Emission1 - 1.1 kg/kg
Fire ResistanceExcellent
Fresh Water ResistanceGood
Salt Water ResistanceAverage
Sunlight/UV ResistanceExcellent
Wear ResistanceExcellent

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Their main mechanical properties are as followings:

Grades

Tensile Strength (Mpa)

Elongation (%)

Impact Resistance (J)

EN-GJS-400-15

 400

 15

Not Specified

EN-GJS-400-18

 400

 18

Not Specified

EN-GJS-400-18LT

 400

 18

12J at -20°C




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