China AISI 304 304L stainless steel capillary tubing Manufacturers, Supplier

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China AISI 304 304L stainless steel capillary tubing Manufacturers, Supplier

1.Production standards: ASTM A269/A249 2.Stainless steel material :304 304L 316L(UNS S31603) Duplex 2205 (UNS S32205 & S31803) Super Duplex 2507 (UNS S32750) Incoloy 825 (UNS N08825) Inconel 625 (UNS N06625) 3. Size range: diameter 3MM(0.118”-25.4(1.0”)MM 4. Wall thicknesses: 0.5mm (0.020’’) to 3mm (0.118’’) 5.General delivery pipe status: half hard / soft bright annealing 6.The tolerance range: diameter: + 0.1mm, wall thickness: + 10%, length: -0/+6mm 7.Coil lengthsup to: 500MM-13500MM (45000feet)(can be adjusted according to customer requirements)

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Product Description

stainless steel coil tube stainless steel tube coil stainless steel coil tubing stainless steel coil pipe stainless steel coil tube suppliers stainless steel coil tube manufacturers stainless steel pipe coil

Stainless steel capillary, stainless steel small tube is widely used in medical treatment, fiber-optic, pen making, electronic welding products, light cable joint, food, vintage, dairy, drink, pharmacy and biochemistry, different length can be provided according to requests.

Capillary tubes with a maximum bore of 0.0158 in., available in a wide range of stainless steels. Capillary tubes are characterized by tight tolerances, and the inside surface of the tubes is free from oil, grease and other particles. This ensures, for example, an optimized and even flow of liquids and gases from the sensor to the measuring instrument.

Stainless steel Coiled tubing is available in a range of different product forms depending on the customer requirements. Welded and seamless tube products are manufactured. The standard grades are 304 304L 316L(UNS S31603) Duplex 2205 (UNS S32205 & S31803) Super Duplex 2507 (UNS S32750) Incoloy 825 (UNS N08825) Inconel 625 (UNS N06625) Other grades of stainless steel in duplex and superduplex and nickel alloy are available on request.

Diameter from 3mm (0.118’’) to 25.4mm (1.00’’) OD. Wall thickness from 0.5mm (0.020’’) to 3mm (0.118’’). Tubing can be supplied in the annealed or cold worked stainless steel control line pipe condition.

304 Stainless Steel Chemical Composition

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
304	min.	–	–	–	–	–	18.0	–	8.0	–
304	max.	0.08	2.0	0.75	0.045	0.030	20.0	–	10.5	0.10

Stainless Steel 304 Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Rockwell B (HR B) max	Brinell (HB) max
304	515	205	40	92	201

Stainless Steel 304 Physical Properties

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
Grade	Density (kg/m3)	Elastic Modulus (GPa)	0-1000C	0-3150C	0-5380C	at 1000C	at 5000C	Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
304	8000	193	17.2	17.8	18.4	16.2	21.5	500	720

Electric Properties

Properties		Conditions
Properties		T (°C)	Treatment
Electric Resistivity (10-9W-m)	720	25

Equivalent Grades for 304 Stainless Steel

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS	GOST
Grade	UNS No	BS	En	No	Name	Swedish SS	Japanese JIS	GOST
SS 304	S30400	304S31	58E	1.4301	X5CrNi18-10	2332	SUS 304	08Х18Н10

Specification

Thickness	0.1-2.0mm
Diameter	0.3-20mm (tolerance: ±0.01mm)
Stainless Grade	201, 202, 304, 304L, 316L, 317L, 321, 310s, 254mso, 904L, 2205, 625 etc.
Surface Finish	inside and outside are both bright annealing, cleaning, and seamless, no leaks.
Standard	ASTM A269-2002.JIS G4305/ GB/T 12770-2002GB/T12771-2002
Length	200-1500m per coil, or As customer required
Stock size	61mm ,80.5mm ,80.6mm,80.8mm, 80.9mm,81mm, 9.51mm,101mm,ect..
Certificate	ISO&BV
Packing way	Woven bags, plastic bags etc.
Application range	widely used in food industry, beverage equipment, beer machine, heat exchanger, milk/ water supply system, medical equipment, solar energy, aviation, aerospace, communications, oil and other industries
Note	OEM / ODM / Buyer Label accepted.

Size of 304L stainless steel capillary tubing

Stainless steel coiled tubing / coiled tubes material grade:

U.S.A.	GERMANY	GERMANY	FRANCE	JAPAN	ITALY	SWEDEN	U.K.	E.U.	SPAIN	RUSSIA
AISI	DIN 17006	W.N. 17007	AFNOR	JIS	UNI	SIS	BSI	EURONORM
201				SUS 201
301	X 12 CrNi 17 7	1.4310	Z 12 CN 17-07	SUS 301	X 12 CrNi 1707	23 31	301S21	X 12 CrNi 17 7	X 12 CrNi 17-07
302	X 5 CrNi 18 7	1.4319	Z 10 CN 18-09	SUS 302	X 10 CrNi 1809	23 31	302S25	X 10 CrNi 18 9	X 10 CrNi 18-09	12KH18N9
303	X 10 CrNiS 18 9	1.4305	Z 10 CNF 18-09	SUS 303	X 10 CrNiS 1809	23 46	303S21	X 10 CrNiS 18 9	X 10 CrNiS 18-09
303 Se			Z 10 CNF 18-09	SUS 303 Se	X 10 CrNiS 1809		303S41		X 10 CrNiS 18-09	12KH18N10E
304	X 5 CrNi 18 10 X 5 CrNi 18 12	1.4301 1.4303	Z 6 CN 18-09	SUS 304	X 5 CrNi 1810	23 32	304S15 304S16	X 6 CrNi 18 10	X 6 CrNi 19-10	08KH18N10 06KH18N11
304 N				SUS 304N1	X 5 CrNiN 1810
304 H				SUS F 304H	X 8 CrNi 1910				X 6 CrNi 19-10
304 L	X 2 CrNi 18 11	1.4306	Z 2 CN 18-10	SUS 304L	X 2 CrNi 1911	23 52	304S11	X 3 CrNi 18 10	X 2 CrNi 19-10	03KH18N11
	X 2 CrNiN 18 10	1.4311	Z 2 CN 18-10-Az	SUS 304LN	X 2 CrNiN 1811	23 71
305			Z 8 CN 18-12	SUS 305	X 8 CrNi 1812	23 33	305S19	X 8 CrNi 18 12	X 8 CrNi 18-12
			Z 6 CNU 18-10	SUS XM7				X 6 CrNiCu 18 10 4 Kd
309	X 15 CrNiS 20 12	1.4828	Z 15 CN 24-13	SUH 309	X 16 CrNi 2314		309S24	X 15 CrNi 23 13
309 S				SUS 309S	X 6 CrNi 2314			X 6 CrNi 22 13
310	X 12 CrNi 25 21	1.4845		SUH 310	X 22 CrNi 2520		310S24			20KH23N18
310 S	X 12 CrNi 25 20	1.4842	Z 12 CN 25-20	SUS 310S	X 5 CrNi 2520	23 61		X 6 CrNi 25 20		10KH23N18
314	X 15 CrNiSi 25 20	1.4841	Z 12 CNS 25-20		X 16 CrNiSi 2520			X 15 CrNiSi 25 20		20KH25N20S2
316	X 5 CrNiMo 17 12 2	1.4401	Z 6 CND 17-11	SUS 316	X 5 CrNiMo 1712	23 47	316S31	X 6 CrNiMo 17 12 2	X 6 CrNiMo 17-12-03
316	X 5 CrNiMo 17 13 3	1.4436	Z 6 CND 17-12	SUS 316	X 5 CrNiMo 1713	23 43	316S33	X 6 CrNiMo 17 13 3	X 6 CrNiMo 17-12-03
316 F	X 12 CrNiMoS 18 11	1.4427
316 N				SUS 316N
316 H				SUS F 316H	X 8 CrNiMo 1712				X 5 CrNiMo 17-12
316 H					X 8 CrNiMo 1713				X 6 CrNiMo 17-12-03
316 L	X 2 CrNiMo 17 13 2	1.4404	Z 2 CND 17-12	SUS 316L	X 2 CrNiMo 1712	23 48	316S11	X 3 CrNiMo 17 12 2	X 2 CrNiMo 17-12-03	03KH17N14M2
	X 2 CrNiMoN 17 12 2	1.4406	Z 2 CND 17-12-Az	SUS 316LN	X 2 CrNiMoN 1712
316 L	X 2 CrNiMo 18 14 3	1.4435	Z 2 CND 17-13		X 2 CrNiMo 1713	23 53	316S13	X 3 CrNiMo 17 13 3	X 2 CrNiMo 17-12-03	03KH16N15M3
	X 2 CrNiMoN 17 13 3	1.4429	Z 2 CND 17-13-Az		X 2 CrNiMoN 1713	23 75
	X 6 CrNiMoTi 17 12 2	1.4571	Z6 CNDT 17-12		X 6 CrNiMoTi 1712	23 50	320S31	X 6 CrNiMoTi 17 12 2	X 6 CrNiMoTi 17-12-03	08KH17N13M2T 10KH17N13M2T
	X 10 CrNiMoTi 18 12	1.4573			X 6 CrNiMoTi 1713		320S33	X 6 CrNiMoTI 17 13 3	X 6 CrNiMoTi 17-12-03	08KH17N13M2T 10KH17N13M2T
	X 6 CrNiMoNb 17 12 2	1.4580	Z 6 CNDNb 17-12		X 6 CrNiMoNb 1712			X 6 CrNiMoNb 17 12 2		08KH16N13M2B
	X 10 CrNiMoNb 18 12	1.4583			X 6 CrNiMoNb 1713			X 6 CrNiMoNb 17 13 3		09KH16N15M3B
317				SUS 317	X 5 CrNiMo 1815	23 66	317S16
317 L	X 2 CrNiMo 18 16 4	1.4438	Z 2 CND 19-15	SUS 317L	X 2 CrNiMo 1815	23 67	317S12	X 3 CrNiMo 18 16 4
330	X 12 NiCrSi 36 16	1.4864	Z 12NCS 35-16	SUH 330
321	X 6 CrNiTi 18 10 X 12 CrNiTi 18 9	1.4541 1.4878	Z 6 CNT 18-10	SUS 321	X 6 CrNiTi 1811	23 37	321S31	X 6 CrNiTi 18 10	X 6 CrNiTi 18-11	08KH18N10T
321 H				SUS 321H	X 8 CrNiTi 1811		321S20		X 7 CrNiTi 18-11	12KH18N10T
329	X 8 CrNiMo 27 5	1.4460		SUS 329J1		23 24
347	X 6 CrNiNb 18 10	1.4550	Z 6 CNNb 18-10	SUS 347	X 6 CrNiNb 1811	23 38	347S31	X 6 CrNiNb 18 10	X 6 CrNiNb 18-11	08KH18N12B
347 H				SUS F 347H	X 8 CrNiNb 1811				X 7 CrNiNb 18-11
904L		1.4939	Z 12 CNDV 12-02
UNS31803	X 2 CrNiMoN 22 5	1.4462
UNS32760	X 3 CrNiMoN 25 7	1.4501	Z 3 CND 25-06Az
403	X 6 Cr 13 X 10 Cr 13 X 15 Cr 13	1.4000 1.4006 1.4024	Z 12 C 13	SUS 403	X 12 Cr 13	23 02	403S17	X 10 Cr 13 X 12 Cr 13	X 6 Cr 13	12Kh13
405	X 6 CrAl 13	1.4002	Z 6 CA 13	SUS 405	X 6 CrAl 13		405S17	X 6 CrAl 13	X 6 CrAl 13
409	X 6 CrTi 12	1.4512	Z 6 CT 12	SUH 409	X 6 CrTi 12		409S19	X 5 CrTi 12
410	X 6 Cr 13 X 10 Cr 13 X 15 Cr 13	1.4000 1.4006 1.4024	Z 10 C 13 Z 12 C 13	SUS 410	X 12 Cr 13	23 02	410S21	X 12 Cr 13	X 12 Cr 13	12Kh13
410 S	X 6 Cr 13	1.4000	Z 6 C 13	SUS 410S	X 6 Cr 13	23 01	403S17	X 6 Cr 13		08Kh13

Factory

Quality advantage:

The quality of our products for the control line in oil and gas sector is assured not just during the controlled manufacturing process but also by way of finished product testing. Typical tests include:

1. Non-destructive tests
2. Hydrostatic tests
3. Surface finish controls
4. Dimensional accuracy measurements
5. Flare and coning tests
6. Mechanical and chemical property testing

Application capillary tube

1) Medical device industry
2) Temp-guided industrial controls & sensors
3) Pens care industry core tube
4) Micro-tube precision antennas
5) Small-diameter electronic capillaries
6) Jewelry needle punch
7) Watches and instrumentation
8) Car antenna tubes
9) Laser engraving equipment
10) Fishing gear & accessories
11) Diet-industry capillary tubing
12) Stylus pens (mobile/computer)
13) Heating and oil industries
14) Printer needle assemblies
15) Double-melt window-coupled tubes
16) Industrial precision small-diameter tubes
17) Precision dispensing needles
18) Microphone and headphone components

Frequently Asked Questions (FAQ)

What grades of stainless steel coiled tubing are available?

Standard grades include 304, 304L, 316L (UNS S31603), Duplex 2205 (UNS S32205 & S31803), Super Duplex 2507 (UNS S32750), Incoloy 825 (UNS N08825), Inconel 625 (UNS N06625), and other specialty grades upon request.

What are the typical dimensions for your coiled tubing?

Our coiled tubing spans from 3mm (0.118’’) to 25.4mm (1.00’’) in Outer Diameter (OD). Wall thickness options range from 0.5mm (0.020’’) to 3mm (0.118’’).

What quality control tests do the control line tubes undergo?

Quality assurance includes non-destructive testing, hydrostatic testing, surface finish controls, dimensional accuracy measurements, flare and coning tests, alongside mechanical and chemical property validations.

What applications are precision capillary tubes used for?

They are widely applied in medical devices, industrial temperature sensors, instrumentation, electronics, precision styling instruments, oil & gas control lines, and aerospace components.

What standards do these stainless steel tubes meet?

Our production complies with international standards including ASTM A269-2002, JIS G4305, GB/T 12770-2002, and GB/T 12771-2002, with ISO and BV certifications.

What are the physical properties of 304 grade stainless steel?

Grade 304 exhibits a density of 8000 kg/m³, an elastic modulus of 193 GPa, a specific heat capacity of 500 J/kg.K, and an electrical resistivity of 720 n.m.