RADIATOR FLAT-OVAL TUBES
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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
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¹
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b |
Maximum deviations |
h |
Maximum deviations |
s |
Maximum deviations |
L |
Maximum deviations |
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1 |
19,0 |
± 0,15 |
2,2 |
± 0,15 |
0,55 |
± 0,06 |
350 |
+3 |
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500 | ||||||||
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1220 | ||||||||
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2 |
17,5 |
4,0 |
500 | |||||
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1100 | ||||||||
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1220 | ||||||||
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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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