Stainless Steel Capillary Tube

Stainless steel capillary tubes, also known as precision tubes, are highly regarded in the industry for their qualities and exceptional accuracy and performance. Crafted from steel, these tubes offer numerous advantages across a wide range of industrial applications.

Capillary tubes are characterized by their flexible nature with diameters less than 1mm. These compact dimensions make them an ideal choice for precision driven applications. They exhibit resistance to hazards, corrosion and high pressure. This durability is a result of the strength and longevity of steel, a material widely recognized for its robustness.

These versatile tubes find application across industries. In the field for instance stainless steel capillary tubes are components in a diverse array of uses such as infusion sets, intravenous needle cannulas and endoscopes. They also play a role in the aviation industry, where they are extensively utilized in hydraulic control systems of aircraft.

Notably stainless steel capillary tubes can be easily sterilized, making them highly suitable, for environments or applications. Additionally, their inert property poses no risk of contamination in situations which further enhances their appeal within the pharmaceutical sector. The production process for stainless steel capillary tubes is complex. Requires machinery and strict quality controls to ensure consistency and dependability. Typically, these tubes are made through drawing or cold rolling techniques, which allow for the creation of tubes with tolerances.

One significant advantage of stainless steel tubes is their recyclability. They are 100% recyclable, which reduces their impact on the environment and aligns with sustainability objectives. The versatility, durability, accuracy and sterilization capabilities of stainless steel capillary tubes make them essential in industries. The manufacturing process and recyclability of these tubes exemplify the industry's commitment to precision and sustainability. They serve as an example of how technology merges with material science to enhance efficiency across fields.

Specification

Standards	-
Types	Welded, Seamless, ERW, Fabricated, CEW, CDW, CDS, DOM
Size range	1/2" OD - 12" OD
Production technique	Decoiling, Punching, Bending, Welding, Cutting, Moulding
Standards	ASTM, AISI, JIS, DIN, EN, SUS, GB
Form	Round, Hydraulic, Coiled, Square, U Shape, Rectangular, Straight, Honed Tubes, Pan Cake Coils
Thickness Range	SCH 10, SCH 160, SCH XXH, SCH XXS, SCH 5, SCH 40, SCH XS, SCH 80S, SCH 80
Custom Size/Thickness	Available
End	Treaded, Beveled End, Plain End
Surface Finish	8K, 1D, No.3, 180G, BA, No.4, 500G, No.1, Mirror Polished, 320G, HL, No.8, 400G, 2B, 600G or 800G Mirror finish Tubing, 2D, 400G Satin/ Hairline or Custom Finish as per customer's specification.
Marking Standard	Name of Manufacturer
	Schedule
	Pressure Class
	Tube Size, etc
Test Certificates	Third Party Inspection Report
	Manufacturer Test Certificate
	Raw Materials Certificate
	100% Radiography Test Report
	Laboratory Test Certificate from Govt. Approved Lab
	EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)

Available Tubes in Our Warehouse

Thin Wall Tubing

Seamless Tube

Erw Tube

Bright Annealed Tube

Coil Tubing

Condenser Tube

Welded Tube

Heat Exchanger Tube

Small Diameter Tubing

Pressure Rating

AVE. WALL INCHES	MIN YIELD STRENGTH (PSI)	MIN TENSILE STRENGTH (PSI)	THEORETICAL BURST PRESSURE * (PSI)	WORKING PRESSURE (PSI) 25% OF BURST	THEORETICAL YIELD POINT ** (PSI)	COLLAPSE PRESSURE *** (PSI)
0.250	0.020	30,000	75,000	14,286	3,571	5,714	4,416
0.250	0.028	30,000	75,000	21,649	5,412	8,660	5,967
0.250	0.035	30,000	75,000	29,167	7,292	11,667	7,224
0.250	0.049	30,000	75,000	48,355	12,089	19,342	9,455
0.250	0.065	30,000	75,000	81,250	20,313	32,500	11,544
0.375	0.020	30,000	75,000	8,955	2,239	3,582	3,029
0.375	0.028	30,000	75,000	13,166	3,292	5,266	4,145
0.375	0.035	30,000	75,000	17,213	4,303	6,885	5,077
0.375	0.049	30,000	75,000	26,534	6,634	10,614	6,816
0.375	0.065	30,000	75,000	39,796	9,949	15,918	8,597
0.500	0.020	30,000	75,000	6,522	1,630	2,609	2,304
0.500	0.028	30,000	75,000	9,459	2,365	3,784	3,172
0.500	0.035	30,000	75,000	12,209	3,052	4,884	3,906
0.500	0.049	30,000	75,000	18,284	4,571	7,313	5,304
0.500	0.065	30,000	75,000	26,351	6,588	10,541	6,786
0.500	0.083	30,000	75,000	37,275	9,319	14,910	8,307
0.625	0.020	30,000	75,000	5,128	1,282	2,051	1,859
0.625	0.028	30,000	75,000	7,381	1,845	2,953	2,568
0.625	0.035	30,000	75,000	9,459	2,365	3,784	3,172
0.625	0.049	30,000	75,000	13,947	3,487	5,579	4,335
0.625	0.065	30,000	75,000	19,697	4,924	7,879	5,591
0.625	0.083	30,000	75,000	27,124	6,781	10,850	6,910
0.625	0.095	30,000	75,000	32,759	8,190	13,103	7,734
0.625	0.109	30,000	75,000	40,172	10,043	16,069	8,639
0.750	0.028	30,000	75,000	6,052	1,513	2,421	2,156
0.750	0.035	30,000	75,000	7,721	1,930	3,088	2,669
0.750	0.049	30,000	75,000	11,273	2,818	4,509	3,664
0.750	0.065	30,000	75,000	15,726	3,931	6,290	4,749
0.750	0.083	30,000	75,000	21,318	5,330	8,527	5,905
0.750	0.095	30,000	75,000	25,446	6,362	10,179	6,637
0.750	0.109	30,000	75,000	30,733	7,683	12,293	7,453
0.750	0.120	30,000	75,000	35,294	8,824	14,118	8,064
0.875	0.020	30,000	75,000	3,593	898	1,437	1,340
0.875	0.028	30,000	75,000	5,128	1,282	2,051	1,859
0.875	0.035	30,000	75,000	6,522	1,630	2,609	2,304
0.049	30,000	75,000	9,459	2,365	3,784	3,172
0.875	0.065	30,000	75,000	13,087	3,272	5,235	4,126
0.875	0.083	30,000	75,000	17,560	4,390	7,024	5,152
0.875	0.095	30,000	75,000	20,803	5,201	8,321	5,807
0.875	0.109	30,000	75,000	24,886	6,221	9,954	6,543
0.875	0.120	30,000	75,000	28,346	7,087	11,339	7,100
1.000	0.028	30,000	75,000	4,449	1,112	1,780	1,633
1.000	0.035	30,000	75,000	5,645	1,411	2,258	2,027
1.000	0.049	30,000	75,000	8,149	2,037	3,259	2,796
1.000	0.065	30,000	75,000	11,207	2,802	4,483	3,647
1.000	0.083	30,000	75,000	14,928	3,732	5,971	4,567
1.000	0.095	30,000	75,000	17,593	4,398	7,037	5,159
1.000	0.109	30,000	75,000	20,908	5,227	8,363	5,827
1.000	0.120	30,000	75,000	23,684	5,921	9,474	6,336
1.000	0.134	30,000	75,000	27,459	6,865	10,984	6,963
1.250	0.035	30,000	75,000	4,449	1,112	1,780	1,633
1.250	0.049	30,000	75,000	6,380	1,595	2,552	2,260

Chemical Composition

STAINLESS STEEL CAPILLARY TUBE GRADES	UNS	C	Mn	P	S	Si	Cr	Ni	Mo	Ti	Nb	N
TP304	S30400	0.08	2	0.045	0.03	1	18.0-20.0	8.0-11.0
TP304L	S30403	0.035	2	0.045	0.03	1	18.0-20.0	8.0-13.0
TP316	S3160	0.08	2	0.045	0.03	1	16.0-18.0	11.0-14.0	2.0-3.0
TP316L	S31603	0.035	2	0.045	0.03	1	16.0-18.0	10.0-14.0	2.0-3.0

Mechanical Properties

Material	Heat	Temperure	Tensile Strength	Yield Strength	Elongation %, Min
	Treatment	Min.	Ksi (MPa), Min.	Ksi (MPa), Min.
		º F(º C)
TP304	Solution	1900 (1040)	75(515)	30(205)	35
TP304L	Solution	1900 (1040)	70(485)	25(170)	35
TP316	Solution	1900(1040)	75(515)	30(205)	35
TP316L	Solution	1900(1040)	70(485)	25(170)	35

Dimensional Tolerances

SIZE OD		NOMINAL WALL THICKNESS		OUTSIDE DIAMETER TOLERANCE		LENGTH TOLERANCE		WALL THICKNESS TOLERANCE
(in)	(mm)	(in)	(mm)	(in)	(mm)	(in)	(mm)	(%)
½	12.7	0.065	1.65	+/-0.005	+/-0.13	+⅛, -0	+3.18, -0	+/-10.0%
¾	19.1	0.065	1.65	+/-0.005	+/-0.13	+⅛, -0	+3.18, -0	+/-10.0%
1	25.4	0.065	1.65	+/-0.005	+/-0.13	+⅛, -0	+3.18, -0	+/-10.0%
1½	38.1	0.065	1.65	+/-0.008	+/-0.20	+⅛, -0	+3.18, -0	+/-10.0%
2	50.8	0.065	1.65	+/-0.008	+/-0.20	+⅛, -0	+3.18, -0	+/-10.0%
2½	63.5	0.065	1.65	+/-0.010	+/-0.25	+⅛, -0	+3.18, -0	+/-10.0%
3	76.2	0.065	1.65	+/-0.010	+/-0.25	+⅛, -0	+3.18, -0	+/-10.0%
4	101.6	0.083	2.11	+/-0.015	+/-0.38	+⅛, -0	+3.18, -0	+/-10.0%
6	152.4	0.109	2.77	+/-0.030	+/-0.76	+1, -0	+25.4, -0	+/-10.0%

Tube Sizes

Gauge	Outside Diameter Tolerance mm	Regular Wall (RW) mm	Thin Wall (TW) mm	Extra Thin Wall (XTW) mm	Ultra Thin Wall (UTW) mm
30	0.304 – 0.317	0.064 – 0.089
29	o.330 – 0.342	0.064 – 0.089
28	0.355 – 0.368	0.076 – 0.102
27	0.406 – 0.419	0.089 – 0.115	0.064 – 0.089
26	0.457 – 0.469	0.089 – 0.114
25	0.508 – 0.520	0.115 – 0.140	0.089 – 0.114
24	0.558 – 0.571	0.114 – 0.140	0.089 – 0.114		0.051 – 0.102
23	0.635 – 0.647	0.140 – 0.165	0.089 – 0.114		0.051 – 0.102
22	0.711 – 0.723	0.140 – 0.165	0.096 – 0.121	0.077 – 0.102	0.051 – 0.102
21	0.812 – 0.825	0.140 – 0.165	0.102 – 0.127		0.051 – 0.102
20	0.901 – 0.914	0.108 – 0.165	0.108 – 0.134
19	1.054 – 1.079	0.166 – 0.216	0.102 – 0.140	0.070 – 0.108
18	1.257 – 1.282	0.191 – 0.241	0.127 – 0.165	0.083 – 0.121	0.051 – 0.102
17	1.460 – 1.485	0.177 – 0.229	0.115 – 0.152	0.083 – 0.127	0.057 – 0.102
16	1.638 – 1.663	0.204 – 0.254	0.127 – 0.165	0.096 – 0.133	0.070 – 0.121
15	1.816 – 1.841	0.204 – 0.254	0.127 – 0.165	0.096 – 0.134	0.070 – 0.121
14	2.082 – 2.133	0.216 – 0.292	0.165 – 0.229	0.114 – 0.165	0.076 – 0.134
13	2.387 – 2.438	0.267 – 0.343	0.191 – 0.267
12	2.743 – 2.749	0.267 – 0.321
11	3.023 – 3.073	0.293 – 0.368	0.216 – 0.292
10	3.378 – 3.429	0.318 – 0.394	0.216 – 0.292

Application

Aerospace

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Food Processing

Oil and Gas

Pharmaceutical

Power Plant

Ship Building

Water Systems

Refinery

Stainless Steel Capillary Tube

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Jain

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Specification

Available Tubes in Our Warehouse

Pressure Rating

Chemical Composition

Mechanical Properties

Dimensional Tolerances

Tube Sizes

Application

Enquiry

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Stainless Steel Capillary Tube

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Specification

Available Tubes in Our Warehouse

Pressure Rating

Chemical Composition

Mechanical Properties

Dimensional Tolerances

Tube Sizes

Application

Enquiry

Reach

Shahil
Jain