STAINLESS STEEL COIL TUBE

Stainless Steel Coil Tube:

Features:
1) Production Standard :ASTM A249, ASTM A269.

2) Material of commonly used stainless steel:TP304/L, TP316L; Material of other stainless steel: TP317L, Duplex2205

3) Measurement Range:outer diameter: 6-25.4mm; wall thickness: 0.35-2.0mm; the measurement tolerance as per ASTM A249, ASTM A269.
4) Max.length of each coil:<1000M, min.length of each coil:>10m
5) General delivery length:200m-600m
6) Physical properties of bright-annealed coil pipe:

     i.        ratio of elongation no less than 55%

    ii.        surface hardness no greater 170HV

   iii.        tensile strength no less than 550MPa

  iv.        yield strength no less than 220MPa

7) Physical properties of general coil pipe (without bright annealing):

     i.        ratio of elongation no less than 35%

    ii.        surface hardness greater than 180HV

   iii.        tensile strength>600MPa

  iv.        yield strength>280MPa

8) Product applications and applicable field: refrigerating equipment, evaporators, gas/liquid conveying, condensers, beverage machinery

9)General product status at delivery: semi-hard status/bright annealing soft status

On the basis of complete equipment and leading technology, the company has aslo introduced world first-class brigt annealing technology, which makes it possible to conduct stainless steel pipe online softening treatment. Besides, we aslo have testing & inspecting facilities for flattening, tube end expansion, cold benging as well as for hardness, tensile and 100% Pneumatic tests.