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Duplex Stainless Steel Capillary Tube

Condition: New product

Duplex Stainless Steel Capillary Tube possesses a duplex structure, a combination of the austenite and ferrite phases. It has high yield strength, up to twice that of austenitic stainless steel. Heeger Materials can provide the best Duplex Stainless Steel Capillary Tube at a competitive price. We can offer S32900, S32750, S31260, S31200, S31500, and S31803 brands. The dimensions can be customized.

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Data sheet

Materials	S32900, S32750, S31260, S31200, S31500, S31803
Size	customized

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Duplex Stainless Steel Capillary Tube is made of a stainless steel alloy containing chromium and nickel. It is a heat-resistant steel alloy and has good pitting corrosion resistance, crevice corrosion resistance, oxidation resistance, and stress corrosion resistance in chlorine-containing water.

Duplex Stainless Steel Capillary Tube

Duplex Stainless Steel Capillary Tube Chemical Composition

Brand No.	C	Cr	Ni	Mn	Si	Mo	Cu	W	P	S	N
S32900	0.08	23-28	2.0-5.0	1	0.75	1.0-2.0	--	--	0.04	0.03	--
S32750	0.03	24-26	6-8	1.2	0.8	3-5	0.5	--	0.035	0.02	0.24-0.32
S31260	0.03	24-26	5.5-7.5	1	0.75	2.5-3.5	0.2-0.8	0.1-0.50	0.035	0.02	0.1-0.3
S31200	0.03	24-26	5.5-6.5	2	1	1.2-2.0	--	--	0.045	0.03	0.14-0.2
S31500	0.03	18-19	4.5-5.5	1.0-2.0	1.3-2.0	2.5-3.0	--	--	0.035	0.03	0.05-0.12
S31803	0.03	24-26	5.5-6.5	2	1	1.2-2.0	--	--	0.05	0.03	0.14-2.0

Duplex Stainless Steel Capillary Tube Physical and Mechanical Properties

Brands No.	Physical properties		Mechanical Properties & Others
	Density (g/cm3)	Thermal conductivity (W/(m·k) 100~500℃)	Yield Strength		Tensile Strength	Elongation A5 %	Hardness HRB
	Density (g/cm3)	Thermal conductivity (W/(m·k) 100~500℃)	Rp0.2(MPa)	Rp1.0(Mpa)	Mpa
S32900	7.8	15-25		590	390	18	≤32HRB
S32750	7.8	15-25	550	800	≥795	≥15	≤32HRB
S31260	7.8	15-25		795	550	30	≤32HRB
S31200	7.8	15-25		650	450	20	≤32HRB
S31500	7.8	15-25		630	440	30	≤30HRB
S31803	7.8	15-25		450	620	20	≤30HRB

Duplex Stainless Steel Capillary Tube Dimension Specifications

Dimension	OD: 0.2-6 mm
	WT: 0.02-2 mm
Note: The dimensions can be tailored according to specific requirements.

Duplex Stainless Steel Capillary Tube Features

Fine softness
Anti-corrosion
Heat resistance
Durability
Good tensile properties
Waterproofing
Good electromagnetic shielding properties

Duplex Stainless Steel Capillary Tube Applications

Automation instrument line
Wire protection tube
Inner support of high-voltage cable
Medical equipment such as needles and catheters

Duplex Stainless Steel Capillary Tube Packing

Duplex Stainless Steel Capillary Tube will be packaged in wooden cases supported by soft materials to prevent any movement during transportation and storage.

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