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Polished Tungsten Carbide Seal Rings Wear Resistant MD45A Grade

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Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd

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Polished Tungsten Carbide Seal Rings Wear Resistant MD45A Grade

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Brand Name :	PM
Payment Terms :	L/C, T/T
Delivery Time :	10-25 working days

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Polished Tungsten Carbide Seal Rings Wear Resistant MD45A Grade

Carbide Rings Grade MD45A Specification D159*d120.5*25.5

High performance cemented carbides for molding；Standard Specification For Square Material and Standard Specifications Of The Rings. Also we can produce the your drawing of ring.

100% raw material;
Hip sintered, high hardness, high wear resistance;
Tunable residual stress
Electrochemical corrosion resistance

Polarization curve (corrosion current reduced, corrosion rate decreased significantly, corrosion resistance improved significantly)

Grade	Co%	WC Grain size	Hardness		Density	Flexural Strength	Fracture Toughness	Elastic Modulus	Coefficient of Thermal Expansion
		WC Grain size	HRA	HV30	g/cm3	MPa	N/mm²	GPa	10-6/℃
ST37NF	15	Nano	92.0	1700	13.8	4800	10	430	6.3
ST37UF	15	Ultra-fine	91.5	1630	13.8	4200	11	430	6.3
MD15	12	Ultra-fine	92.2	1730	14.1	5100	10	470	5.7
MD10	10	Sub-Micron	91.7	1660	14.4	4300	11	490	5.4
MD33A	12	Sub-Micron	90.3	1470	14.2	4000	14	470	5.7
MD20	13	Sub-Micron	90.6	1500	14.2	4100	15	460	5.8
MD36	15	Sub-Micron	89.4	1360	13.8	3900	16	430	6.3
MD16	6	Fine	90.5	1500	14.8	3200	12	530	4.9
MD40B	12	Fine	89.5	1380	14.2	3800	17	470	5.7
MD40C	12	Fine	89.7	1400	14.1	3800	16	470	5.7
MD55	20	Fine	86.4	1060	13.5	3100	-	390	6.8
MD40A	12	Medium	88.9	1310	14.2	3700	27	470	5.7
MD45A	15	Medium	87.9	1200	13.9	3600	-	430	6.3

Max Tolerance
(Δ)

Specifications
Max Tolerance
(Δ)

Max Tolerance
(Δ)

159

+0.3～+2.5

120.5

0～-1.8

25.5

0～+0.5

Product Tags:

Polished Tungsten Carbide Seal Rings

Tungsten Carbide Seal Rings Wear Resistant

Tungsten Carbide Seal Rings MD45A

Polished Tungsten Carbide Seal Rings Wear Resistant MD45A Grade

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