Tu 48-19-154-92. Hard-alloy blends of grades BK8-KS, BK10-KS, BK20-KS. Technical specifications.

Specifications Tu 48-19-154-92

1.1 Hard-alloy mixtures (hereinafter mixtures) must comply with the requirements of these technical specifications.
1.2 By agreement of the parties the mixtures can be supplied with determination of cobalt, carbon, (free and total), oxygen, iron. Norms of the content of the above components and impurities must comply with TU 48-1U-10.4-73.

Mark Cobalt Total carbon Free carbon Fe O
BK8-KS 7,6-8,2 5,30-5,70 0,1 0,3 0,5
BK10-KS 9,5-10,5 5,20-5,60 0,1 0,3 0,5
BK20-KS 19,5-20,5 4,70-4,95 0,1 0,3 0,5
1.3 The physical-mechanical properties of the control samples, must meet the specified
requirements specified.
Mark ultimate bending strength, N/mm2 (kgf/mm2), not less Density, g/cm3 Hardness HRA, not less
ВК8-КС 1911 (195) 14,6-14,8 88,5
ВК10-КС 1862 (190) 14,2-14,6 85,0
ВК20-КС 2107 (215) 13,2-13,4 82,0
1.4 Macrostructure in the fracture of sintered samples should be homogeneous, without foreign inclusions and stratification.
1.5 The mixture must pass through a sieve with a grid No. 14 according to GOST 6613-86.

Supplier

We offer to buy carbide powders ВК series from specialized warehouses of the supplier Evek GmbH with delivery in any city. Full compliance with the requirements of Tu 48-19-154-92. The supplier Evek GmbH offers to buy carbide powders of grades BK, the price is optimal in this segment of rolled metal products.

Buy, bargain price

Supplier Evek GmbH offers carbide powders of grades BK8-KS, BK10-KS (Tu 48-19-154-92), the price - determined by the technological features of production without the inclusion of additional costs. On the site of the company information about the latest arrivals of products is displayed. We invite you to partner cooperation.