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Stainless steel precision tube

Thin & heavy wall precision stainless steel tubing manufacturer in India

Stainless steel precision tube

Manufacturer of thin wall stainless steel tube and high precision tube for nuclear power & aerospace industry

Heavy wall stainless steel tubing

Heavy wall stainless steel tubing

Thin wall SS tubing

Thin wall SS tubing

Seamless precision stainless steel tubes

Seamless precision stainless steel tubes

Exporter of high precision stainless steel tube in bright annealed & highly polished finish in grade 304L, 316L & 317L

Specifications of stainless steel precision tube

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stainless steel precision tube specification
Pickled surface precision stainless steel tubing in cold drawn, polished, ground, and bright finish

Types of precision stainless tubing

High precision stainless steel tube

High precision stainless steel tube

Welding thin wall stainless steel tubing

Welding thin wall stainless steel tubing

Heavy wall stainless steel tubing

Heavy wall stainless steel tubing

Thin wall stainless steel tube

Thin wall stainless steel tube

SS 430 precision hypodermic tubes

SS 430 precision hypodermic tubes

Ultra thin wall stainless steel tubing

Ultra thin wall stainless steel tubing

Large diameter thin wall stainless steel tubing

Large diameter thin wall stainless steel tubing

Precision ground stainless steel tube

Precision ground stainless steel tube

Bending thin wall stainless tubing

Bending thin wall stainless tubing

Manufacturing seamless precision stainless steel tubes as per ASTM A511/ A213/A269 standard

SS 430 precision tubes sizes

Thin wall precision tubes sizes
Wall thickness 0.10-3 milimeter (0.0039-0.118 inch)
Outside dia 0.5-50.8 milimeter (0.0197-2 inch.)

 

Thick wall precision tubes sizes
Wall thickness 0.254-19.05 milimeter (0.010-0.750 inch)
Outside diameter 0.787-130 milimeter (0.031-5 inch)

Ultra thin wall stainless steel tubing properties

Nominal size Nominal Wall Thickness (mm)
DN SCH
26.90 1.0,1.2,1.6,2.0
28.50 1.0,1.2,1.6,2.0
30.00 1.0,1.2,1.6,2.0
31.80 1.0,1.2,1.6,2.0
33.70 1.0,1.2,1.6,2.0
38.00 1.0,1.2,1.6,2.0
42.40 1.0,1.2,1.6,2.0
12.70 1.0, 1.2, 1.6, 2.0
13.50 1.0,1.2
16.00 1.0,1.2
17.20 1.0,1.2,1.6
19.00 1.0,1.2,1.6
20.00 1.0,1.2,1.6
21.30 1.0,1.2,1.67
22.00 1.0,1.2,1.6,2.0
25.40 1.0,1.2,1.6,2.0
44.50 1.0,1.2,1.6,2.0
48.30 1.0,1.2,1.6,2.0
51.00 51.00

Thin wall SS tubing features

  • Light in weight
  • Heat transfer performance
  • Smooth surface
  • Recyclable material
  • Good Corrosion resistance
  • No leakage even in high pressure

Equivalent of stainless steel precision tubes

SS 316L Z3CND17‐11‐02 / Z3CND18‐14‐03 1.4404 / 1.4435 SUS 316L S31603 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 X2CrNiMo17-12-2 / X2CrNiMo18-14-3

Precision stainless steel tubing chemical composition

Grade Si C Mn S P Cr Mo Ni N Ti Fe
SS 304 minimum. 18.0 8.0
maximum. 0.75 0.08 2.0 0.030 0.045 20.0 10.5 0.10
SS 304L minimum. 18.0 8.0
maximum. 0.75 0.030 2.0 0.030 0.045 20.0 12.0 0.10
SS 310 0.015 maximum 0.015 maximum 2 maximum 0.015 maximum 0.020 maximum 24.00 26.00 0.10 maximum 19.00 21.00 54.7 minimum
SS 316 minimum. 16.0 2.03.0 10.0
maximum. 0.75 0.035 2.0 0.030 0.045 18.0 14.0
SS 316L minimum. 16.0 2.03.0 10.0
maximum. 0.75 0.035 2.0 0.030 0.045 18.0 14.0
SS 321 1.0 maximum 0.08 maximum 2.0 maximum 0.030 maximum 0.045 maximum 17.00 19.00 9.00 12.00 0.10 maximum 5(C+N) 0.70 maximum
SS 317L 1.0 maximum 0.035 maximum 2.0 maximum 0.030 maximum 0.045 maximum 18.00 20.00 3.00 4.00 11.00 15.00 57.89 minimum
SS 347 1.0 maximum 0.08 maximum 2.0 maximum 0.030 maximum 0.045 maximum 17.00 20.00 9.0013.00
SS 904L minimum. 19.0 4.00 23.00 0.10
maximum. 1.00 0.20 2.00 0.035 0.045 23.0 5.00 28.00 0.25

SS 304 precision tube mechanical properties

Grade Density(gram/cm3) Tensile Strength Yield Strength (0.2%Offset) Melting Point Elongation
SS 304/ 304L 8.0 Psi 75000 , MPa 515 Psi 30000 , MPa 205 1400 °C (2550 °F) 35 %
SS 316L 8.0 Psi 75000 , MPa 515 Psi 30000 , MPa 205 1399 °C (2550 °F) 35 %
SS 321 8.0 Psi 75000 , MPa 515 Psi 30000 , MPa 205 1457 °C (2650 °F) 35 %
SS 310 7.9 Psi 75000 , MPa 515 Psi 30000 , MPa 205 1402 °C (2555 °F) 40 %
SS 306 8.0 Psi 75000 , MPa 515 Psi 30000 , MPa 205 1400 °C (2550 °F) 35 %
SS 347 8.0 Psi 75000 , MPa 515 Psi 30000 , MPa 205 1454 °C (2650 °F) 35 %
SS 904L 7.95 Psi 71000 , MPa 490 Psi 32000 , MPa 220 1350 °C (2460 °F) 35 %

Heavy wall SS tubing diameter

Outside Diameter (mm) / Wall Thickness (mm) SCH 10 SCH 20 SCH 30 STD SCH 40 SCH 60 XS SCH 80 SCH 100 SCH 120 SCH 140 SCH 160
610 6.35 9.53 14.27 9.53 17.48 24.61 12.70 30.96 38.39 46.02 52.37 59.54
660 7.92 12.70 9.53 12.70
711 7.92 12.70 15.88 9.53 12.70
457 6.35 7.92 11.13 9.53 14.27 19.05 12.70 23.88 29.36 34.93 39.67 45.24
508 6.35 9.53 12.70 9.53 15.09 20.62 12.70 26.19 32.54 38.10 44.45 50.01
559 6.35 9.53 12.70 9.53 22.23 12.70 28.58 34.93 41.28 47.63 53.98
762 7.92 12.70 15.88 9.53 12.70

Thin wall SS tube hot-finished permissible variations

Ratio of Wall Thk to Outside Dia Outside Dia Outside Dia 0.109 to 0.172 Up To 0.109 Over 0.172 to 0.203 Permissible Variations In Cut Length Over 0.203
Over Under Over Under Over Under Over Under Over Under Over Under
All Thickness up to 3″ 0.023 0.023 15 15 16.5 16.5 14 14 3/16 0 12.5 12.5
All Thickness 3″ to > 5.5″ 0.031 0.031 15 15 16.5 16.5 14 14 3/16 0 12.5 12.5
5% and Over 8″ to > 10.75″ 0.047 0.047 3/16 0 12.5 12.5
All Thickness 5.5″ to > 8″ 0.047 0.047 14 14 3/16 0 12.5 12.5
Under 5% 10.75″ to > 12.75″ 0.063 0.063 3/16 0 12.5 12.5

Cold finished 316 stainless steel precision tube permissible variations

Outside Diameter, In. Ovality Double Outside Diameter Tolerance when wall is: Outside Diameter Tolerance, In. Over and Under Permissible Variations in Cut Length, in. Wall Thickness in %
Over Under Over Under
1/2 to 1-1/2 Excl. Less than 0.065 In. 0.005 1/8 0 10 10
Under 1/2 Less than 0.015 In. 0.005 1/8 0 15 15
1 1/2 to 3 1/2, Excl Less Than 0.095 In. 0.010 3/16 0 10 10
5 1/2 to 8 Excl. Less than 0.240 In. 0.030 3/16 0 10 10
3 1/2 to 5 1/2 Excl Less than 0.150 In. 0.015 3/16 0 10 10
8 5/8 to 12 3/4 Less than 0.350 In. 0.062 3/16 0 10 10
8 to 8 5/8 Excl Less than 0.300 In. 0.045 3/16 0 10 10

Pressure rating of bending thin wall stainless tubing

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

Large diameter thin wall SS tubing tolerance

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