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MD70A Grade Carbide Cold Heading Dies Advanced Sintered In Hip Furnace

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Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd

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Cold Heading Dies Grade MD70A

Grade	Co	Grain Size of WC	Hardness		Density	Flexural Strength	Bending Toughness	Elastic Modulus	Coefficient of Thermal Expansion	Application
Grade	%	Grain Size of WC	HRA	HV30	g/cm3	MPa	N/mm²	GPa	10^-6/℃	Application
MD51B	19	medium	85	940	13.5	3100		400	6.7	Suitable for mould of shrinkage rod with large reduction in diameter
MD50A	20	medium	85.8	1020	13.4	3300		390	6.8	Suitable for mould of shrinkage rod with small reduction in diameter
MD60A	20	medium	84	860	13.6	2900		390	6.8	Suitable for mould to make straight rod, screws,nut etc
MD61B	22	medium	84	860	13.3	3150		360	7.1	Suitable for heavy hardness stainless steel
MD62B	22	medium	83.5	820	13.3	3000		360	7.1	Suitable for dry wall screw and common stainless steel
MD65A	25	medium	84.1	870	12.9	3100		340	7.6	Suitable for heavy loads straight rod moulds
MD70A	25	medium	82.5	760	13.1	2800		340	7.6	Suitable for heavy loads nut moulds

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Carbide Cold Heading Dies Advanced Sintered

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