RADIATOR FLAT-OVAL TUBES

RADIATOR FLAT-OVAL TUBES


Standard documents: 
TU U 27.4-00195452-013-2002 radiator tubes flat-seamless. Specifications. 

Purpose: The tubes are used in engineering and other industries. 

Sizes: 19 x 2.2 x 0.55 mm, 17.5 x 4 x 0.55 mm 


Requirements:

1.Geometric sizes according to TU U 27.4-00195452-013-2002 

where: b-major axis, mm 

 h-minor axis, mm 

 s-wall thickness, mm 

 R-radius, mm 

 L-length, mm 


¹ 

b

Maximum deviations

h

Maximum deviations

s

Maximum deviations

L

Maximum deviations

1

19,0

± 0,15

2,2

± 0,15

0,55

± 0,06

350

+3

500

1220

2

17,5

4,0

500

1100

1220

Note 1. The consumer is allowed to install another tubes length. 

Note 2. The radius of curvature R and the tolerances on it set by agreement between manufacturer and consumer. 


2.  The tubes are made in the solid state, not less than 29 kg / mm 2 (290 MPa).  Elongation is not standardized. 



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