Stainless Steel Coil Tube
Grade: 304/L, 316L, 317L, Duplex2205
OD: 6.0mm to 25.4mm, WT: 0.3mm to 2.0mm
Length: 10m to 800 meters per coil
100% pneumatic test with 5MPa pressure.
Stainless Steel Coil Tube:
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.