Production

Comparative table of most common cast irons casted in foundry Turnov.



Grey cast iron - laminated graphite (GG)
EU
EN 1561
Czech
ČSN
Germany
DIN 1691
Switzerland
SVM
Hardness
HB 5/750
Tensile Strength
Rm [N/mm2] min.
Structure
EN-GJL-100 ČSN 42 24 10 GG-10 GG 10, Ft 10 - 100 ferrite-pearlite
EN-GJL-150 ČSN 42 24 15 GG-15 GG 15, Ft 15 125-205 150 ferrite-pearlite
EN-GJL-200 ČSN 42 24 20 GG-20 GG 20, Ft 20 150-230 200 pearlite-ferrite
EN-GJL-250 ČSN 42 24 25 GG-25 GG 25, Ft 25 180-250 250 pearlite
EN-GJL-300  -  GG-30 GG 30, Ft 30 200-275 300 pearlite
EN-GJL-350  -  GG-35 GG 35, Ft 35  -  350 pearlite

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Nodular cast iron - spheroid graphite (GGG)
EN 1563
Identification
Hardness
HB 5/750
Tensile Strength
Rm [N/mm2] min.
0,2% - Yield Strength
Rp0,2 [N/mm2] min.
Tensibility
A [%] min.
Structure
EN-GJS-350-22-LT 110-150 350 220 22 ferrite
EN-GJS-350-22-RT  -  350 220 22 ferrite
EN-GJS-350-22  -  350 220 22 ferrite
EN-GJS-400-18-LT 120-165 400 240 18 ferrite
EN-GJS-400-18-RT  -  400 250 18 ferrite
EN-GJS-400-18  -  400 250 18 ferrite
EN-GJS-400-15 135-185 400 250 15 ferrite
EN-GJS-450-10  -  450 310 10 ferrite-pearlite
EN-GJS-500-7 170-220 500 320 7 ferrite-pearlite
EN-GJS-600-3 200-250 600 370 3 pearlite-ferrite
EN-GJS-700-2 235-285 700 420 2 pearlite
EN-GJS-800-2 270-335 800 480 2 pearlite
EN-GJS-900-2  -  900 600 2 pearlite
SiMo Alloy with spheroid graphite
EN-GJS SiMo 4-05  -   -   -   -   - 
EN-GJS SiMo 4-1 200-260 600 500 3  - 
EN-GJS SiMo 5-05  -   -   -   -   - 
EN-GJS SiMo 5-1 200-240 550 480 5  - 

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Ni-Resist: Meaning high alloyed cast-irons for use on extreme conditions
Identification Equivalent
DIN 1694
Equivalent
ASTM A436
Hardness HB Tensile Strength
Rm [N/mm2] min.
0,2% - Yield Strength
Rp0,2 [N/mm2] min.
Tensibility A[%] Graphite shape
EN-GJSA-XNiCr20-2 GGG NiCr 20-2 D-2 140-255 370 210 7 spheroidal
EN-GJSA-XNiCr20-3 GGG NiCr 20-3 D-2B 150-255 390 210 7 spheroidal
EN-GJSA-XNi22 GGG Ni 22 D-2C 130-170 370 170 20 spheroidal
EN-GJSA-XNiSiCr35-5-2 GGG NiSiCr 30-5-5 D-5S 130-170 370 200 10 spheroidal

Note: all types of these cast-irons guarantee following specific atributes: corrosion resistance in aggressive enviroment, heat strenght, heat resistance, rubbing resistance, non-magnetism, sliding atributes,etc.

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Ni-Hard: Wear resisting cast-irons - Characteristics
Atribute Value
Hardness 550-700 HB
Bend strenght 620-750 MPa
Frqacture wtihe
Machinability very bad

Note: carbidice cast-irons, in which there is carbon bounded mostly in form of carbid.

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ADI (austempered ductile cast iron) - Bainitic mircostructure
Classification Tensile Strength [N/mm2] 0,2% - Yield Strength [N/mm2] Tensibility [%] Impact energy [J] Hardness HB
Grade 1 850/550/10 850 550 10 100 269-321
Grade 2 1050/700/7 1050 700 7 80 302-321
Grade 3 1200/850/4 1200 850 4 60 341-444
Grade 4 1400/1100/1 1400 1100 1 35 388-477
Grade 5 1600/1300/- 1600 1300  -   -  444-555



Ti, Mo, V alloyed cast iron for glass mould
EN 10027-2 ČSN DIN  
1.0554 422670 GS-70 BT1, BT3, BTV

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Other products
We're produce and able adjust simple modelling arrangement. Complicated models makes in co-operation with high-end equipped pattern shop, which use state-of-the-art 3D technology.
Further we provide under working casts, surface completing adjustment or assembly overall put together, according to consumer's graphical documentation.

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