Isostatic Graphite Block for EDM

• Type: Graphite Block
• Composition: Artificial Graphite
• Carbon Content: High-Carbon
• Grade: Industrial Grade
• Forming Way: Isostatic Graphite
• Crystal Morphology: Compact Crystalline Graphite
• Model NO.: Special graphite block
• Average Grain Size: 8-25 Micron
• Bending Strength: 35-55 MPa
• Bulk Density: 1.80-1.90 g/cm3
• Shore Hardness: 45-75
• Ash Content: 300-800ppm
• Application: Sintering Mold ,EDM
• Transport Package: Wooden Case or as Customer Demand
• Specification: Dimension as your demand
• Trademark: xs
• Origin: China
• HS Code: 3801100090
• Production Capacity: 5000ton/Month

Product Description

Products Specification :

 

Bulk Density	Hardness	Electrical Resistivity	Flexural Strength	Compressive Strength	Tensile Strength	Young's Modulus	Coefficient of Thermal Expansion	Coefficient of Thermal Conductivity	Standard Size
(HSD)	μΩm	MPa	MPa	MPa	GPa	10^-6/K	W/(mK)	(mm)
1.77	51	11.0	39	78	25	9.8	4.5	120	305×620×1000 410×410×2040 D585×1050
1.78	55	12.5	39	88	28	10.8	4.7	100	305×620×1000 D585×1050
1.90	60	9.5	54	103	29	11.8	4.8	140	230×620×1000
1.75	60	17.0	38	88	25	9.5	4.6	80	D585×1050 305x620x1000
1.82	55	9.2	54	90	37	10.8	4.8	140	300× 540× 850
1.88	55	9.0	60	110	40	12.0	4.9	140	300×540×850
1.77	57	12.2	43	88	27	10.3	4.7	100	190×620×1500 D1150×560
1.83	58	10.0	47	103	31	11.8	4.6	130	305×620×1000 D460×1050
1.68	45	13.5	36	69	20	8.8	4.2	90	305×620×1000
1.78	55	11.0	41	83	25	9.8	4.6	120	305×620×1000
1.85	60	10.0	49	103	29	11.8	5.0	130	305×620×1000
1.78	63	13.4	52	106	34	10.1	5.6	90	305×620×1050~1200
1.78	76	15.0	65	135	46	12.0	5.6	70	230×540×1000
1.82	75	14.4	70	134	46	12.6	7.1	80	180×450×850
1.82	80	15.5	76	172	54	13.2	5.6	70	230×540×1000
1.80	70	13.0	60	130	40	11.5	5.1	100	305×620×1000 230×540×1000
1.78	72	14.0	73	135	49	10.9	5.0	90	210×510×950
1.78	80	15.5	80	150	53	11.6	5.7	80	210×510×950
1.77	78	15.0	80	155	55	12.0	5.3	80	150×400×700
1.77	90	18.0	92	180	67	13.0	5.8	70	150×400×700
1.85	60	10.0	49	103	29	11.8	5.0	130	305×620×1000
1.77	65	14.1	47	93	29	10.8	5.0	80	305×620×1000
1.78	73	14.3	75	140	50	11.0	5.1	90	210×510×950
1.78	81	15.7	80	156	55	11.8	5.8	80	210×510×950
1.91	88	13.5	100	210	74	12.7	5.7	95	100×500×950
1.77	80	15.1	83	161	58	12.2	5.2	80	150×400×700
1.77	92	18.2	96	187	70	13.3	5.9	70	150×400×700

1. The figures above are typical values, and are not guaranteed.
2. The measurement temperature range for the coefficient of thermal expansion is 350 to 450ºC.
3. There are other product sizes in addition to those described above. Contact us  for details.

Products details

Formed by means of CIP (cold isostatic pressing) technique, isostatic graphite is characterized by its homogeneous structure and excellent isotropic electrical, thermal and mechanical properties. Sometimes it is purified in special-designed graphitization furnace to remove non-carbonaceous impurities. It is widely used in a variety of industrial and scientific engineering as a structural and/or functional material.


Applications
 

Molds in continuous casting systems for making shaped steel, cast iron, copper
Sintering molds for cemented carbides, diamond tools and electronic components
Molds for making shaped glass
Crucibles for melting precious metals or alloys
Electrodes for EDM
Heating elements, heat shields, crucibles, boats in furnaces for pulling monocrystalline silicon or optical fibers
Anodes for production of manganese dioxide, metallic magnesium & rare metals and etc.
 

Programmable properties
 

Fine grain
Homogeneous structure
Isotropic properties
High density and high mechanical strength
High thermal and chemical resistance
High resistance to thermal shock
Proper electrical conductivity
High oxidation resistance
Low ash