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REFRIGERATION TUBES

Production Range
outside diameter
mm
tolerance
mm
wall thickness
mm
tolerance
mm
4,00± 0,080,64± 0,13
4,76± 0,080,71± 0,13
6,00± 0,080,71± 0,08
6,35± 0,080,71± 0,08
7,94± 0,080,71± 0,08
9,52± 0,080,71± 0,08

TECHNICAL CHARACTERISTICS

Grade

Welded low carbon steel tube 1006/1010 (SAE J526)

Surface appearance

Resistance in salt spray: 

according to ASTM B117 (zinc coated tube) ≥ 48 hours

The unplated tube is supplied with oiled outer surface

Hot dip galvanized

Physical-chemical properties

ASTM A254 e NBR 14666


Insoluble internal residue max 12 mg/sqm

Soluble internal residue max 28 mg/sqm

Total internal residue max 40 mg/sqm

NBR 14667

Internal moisture max 50 mg/l

NBR 14668

Chemical reactivity

NBR 14669

Compatibility with R134a gas max -36 °C

Mechanical characteristics

Tensile strength ≥ 290 MPa

Yield strength ≥ 170 MPa

Elongation ≥ 14%

Hardness max 80 HR 15 T

Hydrostatic resistence ≥ 725 psi

Expansion max25%

Supply conditions

• Additional requirements or ones diverging from the present
   specifications must be analyzed and agreed beforehand.

• Tubes can be supplied in coils or bars

 

MARCEGAGLIA DO BRASILRodovia BR101 km 11 Bairro Urubuquara 89248-000 Garuva, Estado de Santa Catarina - Brasil phone +55 . 47 . 3431 64 05 fax +55 . 47 . 3431 64 46vendas@marcegaglia.com.br

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