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Grade GG-25
Germany W-Nr. 0.6025
Corresponding Standard DIN 1691-1985
Cast Iron with Lamellar Graphite (Grey Cast Iron); Properties
Classification cast Iron
Density 7.2 g/cm3
GG-25 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Hardness
HBW
casting; 2.5 < t ≤ 300; independent casting sample Casting State 250~350
Castings; 20＜t≤40; casting body sample Casting State ≥210
Castings; 40＜t≤80; casting body sample Casting State ≥190
Castings; 80＜t≤150; casting body sample Casting State ≥170
Castings; 150＜t≤300; casting body sample Casting State ≥160
Castings; t≤80 Casting State ≥180
Castings; 80＜t≤150 Casting State ≥170
Castings; 150＜t≤300 Casting State ≥160
New and Old Grade Replacement List
Corresponding Standard Grade
DIN 1691-1985
Grade
Germany W-Nr.
DIN EN 1561-1997
Grade
Germany W-Nr.
Old Grade
Old Grade
DIN EN 1561-2023
Grade
Germany W-Nr.
Old Grade
Approximate Comparison Table Cast Iron
China Taiwan, China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom Australia
GB CNS JIS ASTM SAE ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS Australian Standard AS
HT25-47
HT250 		FC250 FC250 250/275
35
35B
40
40B 		G11H20 250
JL250 		GG25 0.6025 FGL250
Ft25D 		EN-GJL-250 EN-JL1040 SCH25 01-25-00
0125 		250
260
Grade220
Grade260 		T260
GG-25 Corresponding Standards(Same grade name, different standards)
1 DIN 1691-1985
GG-25 0.6025
2 DIN EN 1561-1997
(GG-25) EN-GJL-250 EN-JL1040 (0.6025)

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