Specifications Tu 48-19-60-78

1.1 The content of the main components in the mixture of powders and physical and mechanical properties of sintered control samples must meet the requirements of GOST 3882-74

Mark	WC	VC	Cr3 C2	TaC	cobalt	Flexural strength, kgf/mm2, not less	Density, g/cm3	Hardness NDA, not less
BK15-M	85	-	-	-	15	155	13,8-14,1	87,0
BK20-M	80	-	-	-	20	175	13,3-13,7	85,0
BK15-0M	82,9	0,1	-	2	15	150	13,8-14,3	87,0
ВК10-Х0М	89,2	-	0,8	-	10	150	n.m. 14,3	89,0
ВК15-Х0М	84,2	-	0,8	-	15	165	n.a. 13,8	87,5

1.2 By agreement of the parties, the mixture can be supplied with determination of cobalt, carbon, (free and total), oxygen, iron. Content of the above components and impurities shall be in accordance with TU 48-1U-10.4-73/.

Mark	Cobalt	Total carbon	Free carbon	O	Fe
BK3	2,8-3,3	5,65-5,8	0,1	0,4	0,3
BK20	19,5-20,5	4,7-4,95	0,1	0,5	0,3
BK25	24,5-25,5	4,5-4,75	0,1	0,5	0,3
BK3-M	2,8-3,2	5,7-5,95	0,1	0,6	0,3
BK6-0M	5,8-6,2	5,7-6,0	0,25	0,9	0,3
BK10-M	9,5-10,5	5,3-5,5	0,08	1,0	0,3
BK15-M	14,2-15,5	5,0-5,2	0,08	1,2	0,3
ВК10-Х0М	9,5-10,5	n.a. 5,40	0,25	0,8	0,5
BK20-M	19,0-20,5	4,7-4,9	0,08	1,5	0,3
ВК15-Х0М	14,2-15,5	n.a. 5,10	0,25	1,0	0,5
BK10-0M	9,5-10,5	5,4-5,7	0,25	1,0	0,3
BK15-0M	14,2-15,5	n.a. 5,10	0,25	1,0	0,8

1.3. physical and mechanical properties of control samples/

Mark	Flexural strength, kgf/mm2, not less	Density, g/cm3	Hardness HRA, not less
BK6	150	14,8-15,0	88,7
BK8	165	14,6-14,8	88,0
BK15	180	13,9-14,1	86,0
BK20	195	13,4-13,7	84,0
T5K10	150	12,5-13,1	88,7
T14K8	130	11,2-11,6	89,7
T15K6	120	11,2-11,6	90,3
T30K4	95	9,5-9,8	92,0

1.4 Control specimens in the cutting test should have resistance standards, corresponding to OST 48-99-76.

1.5 Drilling properties of specimens made of BK8-B, BK11-B and BK15 mixtures must meet the requirements of GOST 4411-67.

1.6 During the screening of titanium-tantalum-tungsten mixtures, mixtures of M and OM group through the sieve 025-018 and all the rest mixtures through the sieve to 01 according to GOST 6613-73, there must not remain any trash or foreign admixtures on the screen.

Supplier

We offer to buy tungsten mixture from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with the requirements of Tu 48-19-60-78. Supplier Evek GmbH offers titanium-tungsten mixture and titanium-tantalum-tungsten mixture according to Tu 48-19-60-78, the price is optimal in this segment of rolled metal products.

Buy, bargain price

Supplier Evek GmbH offers to buy tungsten mixtures, price - determined by the technological features of production without including additional costs. The company's website displays information about the latest arrivals of products. You can buy tungsten and titanium-tantalum-tungsten powders according to Tu 48-19-60-78. We have the best price-quality ratio. In the segment of rare and refractory metals, Evek GmbH is a profitable supplier.