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Technical Data
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Spheriodal Graphite Iron

SG Iron Castings are manufactured in accordance with the European Standard EN1563:1997, and in the grades tabulated below:

Mechanical Properties

Grade Tensile Strength (RM)
N/mm2 min.
0.2% proof stress (Rp0.2)
N/mm2 min.
Elongation (A)
% min.
EN-GJS-400-18-LT1) 400 240 18
EN-GJS-400-18-RT2) 400 250 18
EN-GJS-400-18 400 250 18
EN-GJS-400-15 400 250 15
EN-GJS-450-10 450 310 10
EN-GJS-500-7 500 320 7
EN-GJS-600-3 600 370 3
EN-GJS-700-2 700 420 2
EN-GJS-800-2 800 480 2
EN-GJS-900-2 900 600 2
1) LT for low temperature
1) RT for room temperature


Minimum impact resistance values measured on V-notched test pieces machined from separately cast samples.

Grade Minimum impact resistance values (in J)
Mean value from 3 sets Individual Value Temperature
EN-GJS-400-18-LT1) 12 9 -20+/-2oC
EN-GJS-400-18-LT2) 14 11 23+/-5oC
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