Ductile Iron
USADesignation
USASpecification
BRINELLHARDNESSRANGE
DIN 1693Specification
DIN EN 1563
60-40-18
ASTM, A 536ASTM, A 395
170 MAX
GGG - 40
EN-GJS-400-
65-45-12
ASTM, A 536
156-217
80-55-06
ASTM, A 536SAE J 434c
187-255
GGG - 50
EN-GJS-500-7U
100-70-03
241-302
GGG - 70
EN-GJS-700-2U
High SiliconMoly
Per CustomerRequirement
Special Alloyed
Austempered Ductile IronASTM A 879 - 90
Grade
Tensile Strength(ksi)
Yield Strength(ksi)
Elongation(%)
Typical Hardness(BHN)
1
125
80
10
269-321
2
150
100
7
302-363
3
175
4
341-444
200
155
388-477
5
230
185
N/A
444-555
Gray Iron
Class 30
ASTM, A 48ASTM, A 159
187-241
GG15
EN-GJL-200
Alloyed Irons
NI-HardNI-ResistWhite Iron
Special Irons
Produced to customer specifications with alloying to meet specific properties.Normally for unique applications.