Stainless Steel Coil Tube

Stainless Steel Coil Tubes conform to DIN 17458 production standards and are made from high-quality austenitic stainless steel, offering corrosion and high-temperature resistance. Delivered in coils for easy transportation, these tubes are widely used in heat exchangers, automotive, chemical, pharmaceutical, and machinery applications.
Outer Diameter: 5mm-420mm (customizable)
Wall Thickness: 0.5mm-55mm (customizable)
Length: Can be customized upon request
Steel Grade:X5CrNi18-10 X2CrNi19-11 X2CrNIN18-10 X6CrNITi18-10 X6CrNiNb18-10 X5CrNiMo17-12 2 X2CrNIMo17-13 2 X6CrNIMOTi17-12 2 X6 CrNiMoNb17-12 2

Products Description

DIN 17458 Stainless Steel Coil Tube

Advantages of Stainless Steel Coil Tube

Length Advantage: Long continuous coil lengths reduce the number of joints and fittings, lowering the risk of leaks in chemical transport systems.
Corrosion Resistance: Stainless steel resists chloride-induced pitting and stress corrosion cracking, making it an ideal choice for hydraulic control lines and chemical injection lines in subsea and offshore environments.
Material Advantage: X6CrNiTi18-10 is a titanium-stabilized grade that resists carbide precipitation at high temperatures. Stainless Steel Coil Tube is an ideal choice for boiler instrumentation and steam generator systems, providing reliable performance under thermal stresses.

applications of Stainless Steel Coil Tube

Chemical & Petrochemical: Control lines, chemical injection lines, and heat exchanger tubing
Oil & Gas: Hydraulic and subsea umbilical systems
Power Generation: Boiler and instrumentation tubing
Medical & Pharmaceutical: Long-length sanitary fluid transfer systems
Aerospace & Automotive: Fuel lines, brake systems, and precision fluid circuits

Chemical Composition

Element	C (max)	Mn (max)	Si (max)	P (max)	S (max)	Cr (%)	Ni (%)	N / Ti
X2CrNi19-11 (1.4306)	0.03	2.0	1.0	0.045	0.015	17.0–19.5	10.0–12.0	-
X2CrNiN18-10 (1.4311)	0.03	2.0	1.0	0.045	0.015	17.0–19.0	9.0–12.0	N: 0.10–0.16
X6CrNiTi18-10 (1.4541)	0.08	2.0	1.0	0.045	0.015	17.0–19.0	9.0–12.0	Ti stabilized

Mechanical Properties

Property	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HB)
X2CrNi19-11 (1.4306)	500–700	≥190	≥40	≤215
X2CrNiN18-10 (1.4311)	520–720	≥230	≥35	≤217
X6CrNiTi18-10 (1.4541)	520–720	≥200	≥35	≤217

Possible Alternative Grades

X5CrNi18-10 (1.4301 / ASTM 304): Standard austenitic grade with balanced corrosion resistance.
X2CrNiMo17-12-2 (1.4404 / ASTM 316L): Molybdenum-bearing grade with improved chloride resistance.
X2CrNiMoN22-5-3 (1.4462 / Duplex 2205): Duplex stainless steel with higher strength and resistance to stress corrosion cracking.
Alloy 825 (UNS N08825): Nickel-based alloy for highly corrosive chemical service.

Packaging

Once the pipes have passed all inspections and tests, they are ready for packaging. They are usually packaged in bales wrapped in plastic. The pipes can be bundled and ready for delivery according to customer requirements, ensuring that the pipes are protected during transportation and prevent surface damage.