Stainless Steel Needle Tube

Stainless steel needle tubes have a range of uses, in industries that require precision, such as medicine, chemistry and automotive. These tubes are small in diameter. Have walls making them perfect for injecting substances into tight spaces or delivering fluids with accuracy.


The advantages of using steel make it the ideal material for needle tubes. Its resistance to corrosion ensures that the tubes last a time even when exposed to substances or sterilization processes. The combination of durability and lightweight properties makes stainless steel needle tubes sturdy yet easy to handle.


The ability to customize the diameter and wall thickness adds to the versatility of these tubes making them suitable for applications. In the field stainless steel needle tubes are used in devices like syringes and catheter systems. In chemistry they find application in metering and dispensing systems.


Manufacturers typically produce these tubes using grades of steel such as 304, 316 and 316L. Each grade offers corrosion resistance and mechanical properties tailored to meet application requirements. For purposes the 316L grade is often preferred due to its resistance against chloride corrosion. The smooth and seamless interior surface is a feature of stainless steel needle tubes. This is particularly important, in applications like needles, where it can reduce discomfort and ensure a smooth flow of the injected fluid.


Stainless steel needle tubes are highly regarded for their precision, versatility and impressive performance. Their material and design possess qualities that make them adaptable to applications. By delivering amounts of substances these tubes undoubtedly play a crucial role, in different industries by enhancing efficiency.

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

Thin Wall Tubing

Seamless Tube

Seamless Tube

Erw Tube

Erw Tube

Bright Annealed Tube

Bright Annealed Tube

Coil Tubing

Coil Tubing

Condenser Tube

Condenser Tube

Welded Tube

Welded Tube

Heat Exchanger Tube

Heat Exchanger Tube

Small Diameter Tubing

Small Diameter Tubing

Equivalent Grades

Stainless Steel Heat Exchanger tube StandardUNSENWERKSTOFF NR.JISGOSTBSAFNOR
SS 304S30400X5CrNi18-101.4301SUS 30408Х18Н10304S31Z7CN18‐09
SS 304LS30403X2CrNi18-9 / X2CrNi19-111.4306 / 1.4307SUS 304L03Х18Н113304S11Z3CN18‐10
SS 304HS304091.4301
SS 310S31000X15CrNi25-201.4841SUS 31020Ch25N20S2310S24
SS 310SS31008X8CrNi25-211.4845SUS 310S20Ch23N18310S16
SS 310HS31009
SS 316S31600X5CrNiMo17-12-2 / X3CrNiMo17-13-31.4401 / 1.4436SUS 316316S31 / 316S33Z7CND17‐11‐02
SS 316LS31603X2CrNiMo17-12-2 / X2CrNiMo18-14-31.4404 / 1.4435SUS 316L03Ch17N14M3 / 03Ch17N14M2316S11 / 316S13Z3CND17‐11‐02 / Z3CND18‐14‐03
SS 316HS316091.4401
SS 316TiS31635X6CrNiMoTi17-12-21.4571SUS 316Ti08Ch17N13M2T320S31Z6CNDT17‐123
SS 317S317001.4449SUS 317
SS 317LS31703X2CrNiMo18-15-41.4438SUS 317L
SS 321S32100X6CrNiTi18-101.4541SUS 321
SS 321HS32109X12CrNiTi18-91.4878SUS 321H
SS 347S34700X6CrNiNb18-101.4550SUS 34708Ch18N12B
SS 347HS34709X6CrNiNb18-121.4961SUS 347H
SS 904LN08904X1NiCrMoCu25-20-51.4539SUS 904LSTS 317J5L904S13Z2 NCDU 25-20

Chemical Composition

Carbon0.08max
Manganese2.00max
Phosphorous0.040max
Sulfur0.030max
Silicon0.75max
Chromium18.0~20.0
Nickel8.0~11.0

Mechanical Properties

Tensile strength, ksi(MPa)150-200 (1030-1370)

Tube Tolerances

Specified Dimension, Outside DiameterRatio of Wall Thickness to Outside DiameterOutside DiameterUp To 0.1090.109 to 0.172Over 0.172 to 0.203Over 0.203Permissible Variations In Cut Length
OverUnderOverUnderOverUnderOverUnderOverUnderOverUnder
up to 3″All Thickness0.0230.02316.516.51515141412.512.53/160
3″ to > 5.5″All Thickness0.0310.03116.516.51515141412.512.53/160
5.5″ to > 8″All Thickness0.0470.047141412.512.53/160
8″ to > 10.75″5% and Over0.0470.04712.512.53/160
10.75″ to > 12.75″Under 5%0.0630.06312.512.53/160

Pressure Rating

AVE. WALL INCHESMIN YIELD STRENGTH (PSI)MIN TENSILE STRENGTH (PSI)THEORETICAL BURST PRESSURE * (PSI)WORKING PRESSURE (PSI) 25% OF BURSTTHEORETICAL YIELD POINT ** (PSI)COLLAPSE PRESSURE *** (PSI)
0.2500.02030,00075,00014,2863,5715,7144,416
0.2500.02830,00075,00021,6495,4128,6605,967
0.2500.03530,00075,00029,1677,29211,6677,224
0.2500.04930,00075,00048,35512,08919,3429,455
0.2500.06530,00075,00081,25020,31332,50011,544
0.3750.02030,00075,0008,9552,2393,5823,029
0.3750.02830,00075,00013,1663,2925,2664,145
0.3750.03530,00075,00017,2134,3036,8855,077
0.3750.04930,00075,00026,5346,63410,6146,816
0.3750.06530,00075,00039,7969,94915,9188,597
0.5000.02030,00075,0006,5221,6302,6092,304
0.5000.02830,00075,0009,4592,3653,7843,172
0.5000.03530,00075,00012,2093,0524,8843,906
0.5000.04930,00075,00018,2844,5717,3135,304
0.5000.06530,00075,00026,3516,58810,5416,786
0.5000.08330,00075,00037,2759,31914,9108,307
0.6250.02030,00075,0005,1281,2822,0511,859
0.6250.02830,00075,0007,3811,8452,9532,568
0.6250.03530,00075,0009,4592,3653,7843,172
0.6250.04930,00075,00013,9473,4875,5794,335
0.6250.06530,00075,00019,6974,9247,8795,591
0.6250.08330,00075,00027,1246,78110,8506,910
0.6250.09530,00075,00032,7598,19013,1037,734
0.6250.10930,00075,00040,17210,04316,0698,639
0.7500.02830,00075,0006,0521,5132,4212,156
0.7500.03530,00075,0007,7211,9303,0882,669
0.7500.04930,00075,00011,2732,8184,5093,664
0.7500.06530,00075,00015,7263,9316,2904,749
0.7500.08330,00075,00021,3185,3308,5275,905
0.7500.09530,00075,00025,4466,36210,1796,637
0.7500.10930,00075,00030,7337,68312,2937,453
0.7500.12030,00075,00035,2948,82414,1188,064
0.8750.02030,00075,0003,5938981,4371,340
0.8750.02830,00075,0005,1281,2822,0511,859
0.8750.03530,00075,0006,5221,6302,6092,304
0.04930,00075,0009,4592,3653,7843,172
0.8750.06530,00075,00013,0873,2725,2354,126
0.8750.08330,00075,00017,5604,3907,0245,152
0.8750.09530,00075,00020,8035,2018,3215,807
0.8750.10930,00075,00024,8866,2219,9546,543
0.8750.12030,00075,00028,3467,08711,3397,100
1.0000.02830,00075,0004,4491,1121,7801,633
1.0000.03530,00075,0005,6451,4112,2582,027
1.0000.04930,00075,0008,1492,0373,2592,796
1.0000.06530,00075,00011,2072,8024,4833,647
1.0000.08330,00075,00014,9283,7325,9714,567
1.0000.09530,00075,00017,5934,3987,0375,159
1.0000.10930,00075,00020,9085,2278,3635,827
1.0000.12030,00075,00023,6845,9219,4746,336
1.0000.13430,00075,00027,4596,86510,9846,963
1.2500.03530,00075,0004,4491,1121,7801,633
1.2500.04930,00075,0006,3801,5952,5522,260

Wall Thickness

GAUGETHICKNESS RANGE(INCHES)TYPICAL VALUE (INCHES)
220.025 through 0.0290.028
200.031 through 0.0350.035
190.038 through 0.0420.042
180.044 through 0.0490.049
170.053 through 0.0580.058
160.060 through 0.0650.065
150.066 through 0.0740.072
140.075 through 0.0850.083
130.087 through 0.0970.095
120.101 through 0.1110.109
110.112 through 0.1220.12
100.126 through 0.1360.134
90.140 through 0.1500.148
80.157 through 0.1670.165
70.175 through 0.1850.18

Tube Sizes

Gauge SizeNominal InchesODID304 SS  Item #316 SS  Item #
ODWallIDMinMaxMinMax
3 RW.259.02.219.257.261.216.222304H03RW
3 TW.259.015.229.257.261.227.231304H03TW
3 X.259.01.239.257.261.237.241304H03X
4 RW.238.02.198.236.24.195.201304H04RW316H04RW
4 TW.238.015.208.236.24.206.21304H04TW
4 TW.238.01.218.236.24.216.22304H04TW
5 RW.219.015.189.217.221.186.192304H05RW
5 X.219.007.205.217.221.203.207304H05X
6 RW.2030.015.173.2020.2040.1700.1760304H06RW316H06RW
6 TW.2030.010.183.2020.2040.1810.1850304H06TW316H06TW
6 X.2030.007.189.2020.2040.1870.1910304H06X
6.5.1880.010.168.1870.1890.1650.1710304H06.5
7 RW.1800.015.150.1790.1810.1470.1530304H07RW316H07RW
7 TW.1800.010.160.1790.1810.1580.1620304H07TW
7 X.1800.007.166.1790.1810.1640.1680304H07X
7 XX.1800.004.173.1790.1810.1720.1740304H07XX
7.5.1720.011.150.1710.1730.1470.1530304H07.5
8 RW.1650.015.135.1640.1660.1320.1380304H08RW316H08RW
8 TW.1650.010.145.1640.1660.1430.1470304H08TW
8 XX.1650.007.150.1640.1660.1475.1530304H08XX
8.5.1560.010.136.1550.1570.1330.1390304H08.5
9 RW.1480.015.118.1470.1490.1150.1210304H09RW316H09RW
9 TW.1480.010.128.1470.1490.1260.1300304H09TW316H09TW
9 XX.1480.007.135.1470.1490.1330.1370304H09XX
9 UX.1480.005.138.1470.1490.1360.1400304H09UX
9.5.1410.011.119.1400.1420.1170.1210304H09.5
10 RW.1340.014.106.1330.1350.1040.1080304H10RW316H10RW
10 TW.1340.010.114.1330.1350.1120.1160304H10TW316H10TW
10 X.1340.008.118.1330.1350.1165.1200304H10X
10 XX.1340.006.122.1330.1350.1200.1240304H10XX
10.5.1260.010.106.1250.1270.1040.1080304H10.5
11 RW.1200.013.094.1190.1210.0920.0960304H11RW316H11RW
11 TW.1200.010.100.1190.1210.0980.1020304H11TW316H11TW
11 X.1200.007.106.1190.1210.1040.1080304H11X
11 XX.1200.004.112.1190.1210.1100.1140304H11XX
11.5.1150.010.095.1140.1160.0930.0960304H11.5
12 H.1090.016.077.1080.1100.0750.0790304H12H
12 RW.1090.012.085.1080.1100.0830.0870304H12RW316H12RW
12 TW.1090.009.091.1080.1100.0890.0930304H12TW316H12TW
12 X.1090.006.097.1080.1100.0950.0990304H12X
12 XX.1090.005.100.1080.1100.0990.1010304H12XX
12.5.1000.009.082.0990.1010.0800.0840304H12.5
13 RW.0950.012.071.0940.0960.0690.0730304H13RW316H13RW
13 TW.0950.009.077.0940.0960.7500.0790304H13TW316H13TW
Gauge SizeNominal InchesODID304 SS  Item #316 SS  Item #
ODWallIDMinMaxMinMax
13 X.0950.005.085.0940.0960.0840.0860304H13X
13 XX.0950.003.090.0940.0960.0890.0910304H13XX
13.5.0890.009.071.0880.0900.0690.0730304H13.5
14 XH.0830.022.039.0820.0840.0370.0410304H14XH
14 H.0830.017.049.0820.0840.0470.0510304H14H
14 RW.0830.010.063.0820.0840.0610.0650304H14RW316H14RW
14 M.0830.008.068.0820.0840.0660.0690304H14M
14 TW.0830.006.072.0820.0840.0700.0730304H14TW316H14TW
14 XX.0830.003.077.0820.0840.0760.0780304H14XX
14.5.0780.008.063.0770.0790.0620.0640304H14.5
15 RW.0720.009.054.0715.0725.0525.0555304H15RW316H15RW
15 TW.0720.006.060.0715.0725.0585.0615304H15TW316H15TW
15 X.0720.005.063.0715.0725.0620.0640304H15X
15 S.0720.009.054.0715.0725.0548.0532316H15S
15.5.0680.007.054.0675.0685.0525.0555304H15.5
16 RW.0650.009.047.0645.0655.0455.0485304H16RW316H16RW
16 TW.0650.006.053.0645.0655.0525.0545304H16TW316H16TW
16 X.0650.004.057.0645.0655.0550.0580304H16X
16 XX.0650.003.060.0645.0655.0585.0610304H16XX
16 H.0650.016.033.0645.0655.0310.0350304H16H316H16H
16.5.0620.005.052.0615.0625.0505.0535304H16.5316H16.5
17 RW.0590.009.041.0585.0595.0395.0425304H17RW316H17RW
17TW.0590.007.046.0585.0595.0445.0475304H17TW316H17TW
17 X.0590.004.052.0585.0595.0510.0530304H17X
17 XX.0590.002.054.0585.0595.0535.0550304H17XX
17 S.0580.008.042.0575.0585.0405.0435304H17S316H17S
17 SX.0580.004.050.0575.0585.0490.0510304H17SX
17 H.0590.010.039.0585.0595.0370.0410304H17H
17.5.0560.005.046.0555.0565.0445.0475304H17.5
18 RW.0500.009.033.0495.0505.0315.0345304H18RW316H18RW
18 S.0500.006.038.0495.0505.0365.0395304H18S316H18S
18 TW.0500.004.042.0495.0505.0410.0430304H18TW316H18TW
18 XX.0500.003.045.0495.0505.0440.0460304H18XX316H18XX
18 H.0500.010.030.0495.0505.0280.0320304H18H
18.5.0460.006.034.0455.0465.0325.0355304H18.5
19 RW.0425.008.028.0420.0430.0260.0290304H19RW316H19RW
Gauge SizeNominal InchesODID304 SS  Item #316 SS  Item #
ODWallIDMinMaxMinMax
19 TW.0425.005.033.0420.0430.0315.0335304H19TW316H19TW
19 X.0425.004.035.0420.0430.0340.0360304H19X
19 XX.0425.003.038.0420.0430.0365.0385304H19XX
19 H.0425.010.023.0420.0430.0210.0240304H19H
19.5.0390.006.027.0385.0395.0255.0285304H19.5
20 RW.0355.006.024.0355.0360.0230.0245304H20RW316H20RW
20TW.0355.005.026.0355.0360.0250.0265304H20TW316H20TW
20 X.0355.004.028.0355.0360.0270.0285304H20X
20 XX.0355.003.031.0355.0360.0295.0315304H20XX316H20XX
20.5.0340.004.027.0340.0345.0255.0275304H20.5
21 H.0320.008.017.0320.0325.0150.0180304H21H
21 RW.0320.006.020.0320.0325.0195.0210304H21RW316H21RW
21TW.0320.005.023.0320.0325.0220.0240304H21TW316H21TW
21 XX.0320.002.029.0320.0325.0280.0295304H21XX
21.5.0300.003.024.0300.0305.0230.0245304H21.5
22 RW.0280.006.016.0280.0285.0155.0170304H22RW316H22RW
22 TW.0280.004.020.0280.0285.0190.0205304H22TW316H22TW
22 XX.0280.002.024.0280.0285.0230.0240304H22XX
22 X.0280.003.022.0280.0285.0210.0225304H22X
22 XH.0280.011.007.0280.0285.0050.0090304H22XH
22.5.0260.003.020.0260.0265.0195.0210304H22.5
23 RW.0250.006.013.0250.0255.0125.0140304H23RW316H23RW
23 TW.0250.004.017.0250.0255.0165.0180304H23TW316H23TW
23 XX.0250.002.020.0250.0255.0195.0210304H23XX
23.5.0230.003.017.0230.0235.0165.0180304H23.5
24 RW.0220.005.012.0220.0225.0115.0130304H24RW316H24RW
24TW.0220.004.014.0220.0225.0135.0150304H24TW316H24TW
24 XX.0220.003.016.0220.0225.0155.0170304H24XX
24.5.0210.002.016.0210.0215.0155.0170304H24.5
25 RW.0200.005.010.0200.0205.0095.0110304H25RW316H25RW
25TW.0200.004.012.0200.0205.0115.0130304H25TW316H25TW
25 XX.0200.002.016.0200.0205.0155.0170304H25XX
25.5.0190.002.014.0190.0195.0135.0150304H25.5
26 RW.0180.004.010.0180.0185.0095.0110304H26RW316H26RW
26 TW.0183.003.0123.0180.0185.0115.0130304H26TW
26 X.0183.002.0138.0180.0185.0130.0145304H26X
27 RW.0160.004.0080.0160.0165.0075.0090304H27RW316H27RW
27 TW.0163.003.0103.0160.0165.0095.0110304H27TW
27 X.0163.0021.012.0160.0165.0115.0125304H27X
28 RW.0140.003.007.0140.0145.0065.0080304H28RW316H28RW
28 TW.0143.0025.0093.014.0145.0085.0100304H28TW
29 RW.0130.003.007.0130.0135.0065.0080304H29RW316H29RW
30 XH.0120.004.003.0115.0125.0020.0040316H30XH
30 H.0120.004.004.0120.0125.0035.0050304H30H
30 RW.0120.003.006.0120.0125.0055.0070304H30RW316H30RW
30 XX.0120.002.008.012.0125.0075.0085304H30XX
31 RW.0100.002.005.0100.0105.0045.0060304H31RW316H31RW
32 RW.0090.002.004.0090.0095.0035.0050304H32RW
33 RW.0080.002.004.0080.0085.0035.0050304H33RW
33 X.0080.001.006.0080.0085.0060.0070304H33X
34 RW.0060.002.002.0060.0065.0015.0030304H34RW

Dimensions And Weights

Gage No.OD, in.OD Tolerance,
in (±)
Nominal Wall, in.Wall Tolerance,
in.. (±)
60.2030.0010.0150.001
70.1800.0010.0150.001
80.1650.0010.0150.001
90.1480.0010.0150.001
100.1340.0010.0140.001
110.1200.0010.0130.001
120.1090.0010.0120.001
130.0950.0010.0120.001
140.0830.0010.0100.001
150.0720.00050.0090.0005
160.0650.00050.0090.0005
170.0590.00050.0090.0005
180.0500.00050.00850.0005
190.04250.00050.007750.0005
200.0355+0.0005/-0.0000.00625+0.000/-0.0005
210.032+0.0005/-0.0000.00625+0.000/-0.0005
220.028+0.0005/-0.0000.00625+0.000/-0.0005
230.025+0.0005/-0.0000.00625+0.000/-0.0005
240.022+0.0005/-0.0000.00525+0.000/-0.0005
250.020+0.0005/-0.0000.00525+0.000/-0.0005
260.018+0.0005/-0.0000.00425+0.000/-0.0005
270.016+0.0005/-0.0000.00425+0.000/-0.0005
280.014+0.0005/-0.0000.00350.00025
290.013+0.0005/-0.0000.0030.00025
300.012+0.0005/-0.0000.0030.00025
310.010+0.0005/-0.0000.00250.00025
320.009+0.0005/-0.0000.00250.00025
330.008+0.0005/-0.0000.0020.00025

Application

Aerospace

Cleaning Factories

Food Processing

Food Processing

Oil and Gas

Oil and Gas

Pharmaceutical

Pharmaceutical

Power Plant

Power Plant

Ship Building

Ship Building

Water Systems

Water Systems

Refinery

Refinery