COPPER AND BRASS BAR

Standard document: 

TU U 14-00195452.027-99 – brass bars  L63, LS59-1 brass extruded, drawn.  Specifications 

Material Grade:

M1 M1r, M2, M2r, M3, M3r with the chemical composition of GOST 859-2001 (DSTU GOST 859:2003) 

L63, 59-1 PM with the chemical composition of GOST 15527-2004 (DSTU GOST 15527:2005) 

Cu-FRTP, Cu-DLP, Cu-DHP, E-Cu57 TU U 27.4-00,195,452, 015-2003. 

Purpose: The bars are used in various industries 

Method of production: extruded, drawn 

Shape of the section: Allen, fitting 

Requirements: TU U 14-00195452.027-99 

1.  Dimensions bars, deviation on them, brand, condition of the material to be agreed with the customer when ordering and confirmed by a drawing. 

Length - from 500 mm to 6000 mm. 

Bars can be made up in excess thereof, with the requirement to curvature, surface quality set by agreement with the consumer. 

2.  Mechanical properties and state: 

With drawn bars sections of the solid state should be removed residual tensile stress by thermal or mechanical method.

Surface quality:

The surface bar should be clean, free prisoners, shells, bubbles, cracks, dents, and foreign inclusions.  On the surface bars allowed the risks, small slivers, scratches, tracks changes, and other defects, if they are in control do not lead clean-up profiles beyond the permissible deviations in size.  On the surface bars are allowed discoloration, traces of lubricant technology.  In the fracture bars should not be foreign inclusions and voids.