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GGG50 / EN-GJS-500-7

Home Materials GGG50 / EN-GJS-500-7

Characteristics of GGG50

GGG50 is a material with a predominantly ferritic/pearlitic base structure. It offers good tensile strength and a satisfactorily high yield point combined with good toughness. GGG50 is easily machinable and can be used up to about 450 °C.

In comparison to GGG40, this material is the ideal choice for applications where the level of wear and tear is higher, such as running wheels and wheel hubs (e.g. sweepers).

Standards / designations
EN 1563 SYM (EU)EN-GJS-500-7

EN 1563 NR (EU)EN-JS1050

DIN 1693 (DE)GGG50

WERKSTOFFNUMMER (DE)0.7050

ASTM A536-584 (US)88/55/06

ALTGGG 50, GGG-50
Mechanical properties
Tensile strengthRm500[N/mm2]

Yield pointσ 0.2B320[N/mm2]

ElongationA7[%]

Brinell hardnessHB30170-230

Elasticity modulusEo169[kN/mm2]

Notch impact strength at 20 °C.Av3.5[Joule]

Compressive Strengthσ dB900[N/mm2]

Shear stressσaB450[N/mm2]

Ferrite content40-90[%]

Nodularity type I+IImin. 85[%]
Chemical composition
CarbonC3.4-3.85[%]

SiliconSi2.3-3.1[%]

ManganeseMn0.1-0.3[%]

SulphurS0.02 max.[%]

PhosphorusP0.10 max.[%]

IronFeRemainder