COPPER AND BRASS BAR

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: 

Mark

Way 
manufacturing 

State 

 Temporary 
Resistance,
MPa 
at least 

 Elongation A 10, 
%, At least 

1

2

3

4

5

M1 M1r, 
M2 M2r,
M3 M3r 

Pressed 

190

30

Extruded

soft

200

35

solid

240

3

L63

Pressed 

290

30

Extruded

soft

290

40

semisolid

370

10

1

2

3

4

5

LS59-1

Pressed 

360

18

Extruded

soft

330

18

semisolid

diameter, mm

5-12

410

8

13-20

390

10

21-40

390

10


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. 



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