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EN-GJS-700-2 | EN-JS1070 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor Successor
EN-JS1070 (DIN EN 1563 : 2003-02) EN-JS1070 DIN EN 1563 : 2003-02 DIN EN 1563 : 2003-02 replaced by DIN EN 1563 : 2005-10 Replaced Germany GGG-70 EN-GJS-700-2 1)
1) Remark: EN-GJS-700-2 (before GGG-70 acc. to DIN 1693/01-73), a predominantly pearlitic cast iron with nodular graphite for cast parts of high strength and hardness, e.g. cutter heads, pinions, cast parts of high abrasion load, e.g. rabbles, worm wheel segments for construction machines, eccentric wheels for eccenter presses, gear wheels, gear rims, grit discs, cam discs, cam shafts. This cast iron mark applies to specimen made by machining of separately cast samples. The material is comparable to UNS F 34800 from the USA. The fracture toughness of this make accounts for 15 MPa*m^1/2 (information value). The fatigue strength (Woehler- rotating bending test) accounts for the unnotched specimen (diameter: 10,6 mm) 280 N/mm², for the notched sample 168 N/mm² (unnotched specimen: For annealed ferritic cast iron with nodular graphite (GGG) the fatigue strength approximates the tensile strength x0,5 (Rm) of GGG with a Rm of 370 N/mm². The rate decreases according to the increasing Rm so far until fatigue strength for perlitic and tempered GGG approximates Rm x0,4. The rate continues to increase if the Rm exceed 740 N/mm². Notched specimen: For a sample of 10,6 mm diameter at the notch and a circumferential 45°- V-notch at a radius of 0,25 mm the fatigue strength of annealed GGG increases to a value of the fatigue strength x approx.0,63 of unnotched samples of GGG with a Rm of 370 N/mm². This value decreases according to the rising Rm of ferritic GGG. For GGG of intermediate strength values and for perlitic GGG and for tempered GGG the fatigue strength of notched samples approximates fatigue strength x0,6 of unnotched samples). Pearlite is the predominant structure.

Chemical Composition

C [%] Mg [%] Mn [%] P [%] S [%] Si [%]
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Mechanical Properties

Semi-finished Product Condition Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Shear Strength [MPa]
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm]
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Cross Reference

Material Name Country Standard
422307 Czech Republik/Slovakia CSN 422307
FGS 700-2 France NF A 32-201-87
Grade 700/2 Great Britain BS 2789-85
VC70 (VČ70, ВЧ70) Russia GOST 7293-85
700-2 International ISO 1083-87
GS 700-2 Italy UNI 4544-79
FCD 700 Japan JIS G 5502-89
Zs 70002 Poland PN H-83123
Fgn 700-2 Romania STAS 6071-75
0737-01 Sweden MNC 706E-89
Göv. 700 Hungary MSZ 8277
UNS F 34800 USA UNS
100-70-03 USA ASTM A 536
D7003 USA SAE J 434
GGG-70 (0.7070) Germany DIN 1693-1

Material Compliance

REACh RoHS
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Fracture Toughness

Condition Temperature [°C] Yield Strength [MPa] Tensile Strength [MPa] Plane-Strain Fracture Toughness KIc [MPa*m^½] Critical Stress Intensity Kc [MPa*m^½]
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Density

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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