Technical requirements TU 48-19-290-91

1.1 The wire shall meet the requirements of these technical specifications.

1.2 Chemical composition.

aluminum	iron	nickel	silicon	Ca+Mg	carbon	oxygen	Molybdenum
0,004	0,010	0,005	0,0010	0,005	0,005	0,008	basis

1.3 The dimensions of the coil must comply with the following requirements.

Diameter, mm	Deviation	Length, m	Inside diameter of the coil, mm
3,17	±0,05	4 to 20 inclusive	560±40

1.4 Wire surface shall have no cracks or splits. Impressions, rolled film, traces of abrasive scraping, which do not lead to wire diameter deviation, are not considered as rejecting features.
1.5 Tensile strength of wire shall be not less than 735.5 MPa (75 ^kgf/mm2).

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