Stainless Steel High Pressure Tubing

Stainless Steel High Pressure Tubing exemplifies the results of engineering techniques. These tubes are designed to withstand pressure and temperature conditions, making them invaluable in industries that operate under challenging circumstances.


Manufactured from quality chromium and nickel alloys, these tubes possess strength and corrosion resistance. The unique alloy composition provides protection against agents while maintaining their integrity even in the face of intense pressure and temperature fluctuations.


Different grades like 304, 304L and 316 offer advantages depending on the application. For example, the 304 grade tubes are well known for their corrosion resistance. They are suitable for various purposes. The lower carbon content of 304L tubes makes them ideal for projects that require welding without causing precipitation. Grade 316 tubes exhibit corrosion resistance making them a preferred choice in environments, with high levels of corrosive substances.Stainless Steel High Pressure Tubing is widely used in industries, like petrochemical, power generation and marine applications as a component of high pressure systems. These tubes are designed to maintain their integrity when exposed to constant high pressures, ensuring no leaks or disruptions occur. They are also utilized in the production of pressure gauges and other sensitive instruments due to their durability.


One notable characteristic of these tubes is their recyclability aligning with sustainability goals. By allowing for repurposing of used tubes, their manufacturing and usage have a reduced impact positively contributing to environmental conservation.


Stainless Steel High Pressure Tubing combines strength, resilience, adaptability to pressure and temperature conditions making it a crucial industrial product. Its ability to withstand demanding situations without compromising efficiency or structural stability has made it the preferred choice for high pressure applications.

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

Chemical Composition %CrNiCMgMoSiPS
304 (UNS S30400)18.0 – 20.08.0 – 11.00.08 (max)2.00-.1.000.045 (max).030 (max)
316/L (UNS S31600 / S31603)16.0 – 18.010.0 – 14.00.03 (max)2.002.0 – 3.01.000.045 (max).030 (max)
317L (UNS S31703)18.0 – 20.011.0 – 15.0.035 (max)2.003.0 – 4.01.000.045 (max).030 (max)

Mechanical Properties

MaterialHeatTemperureTensile StrengthYield StrengthElongation %, Min
TreatmentMin.Ksi (MPa), Min.Ksi (MPa), Min.
º F(º C)
TP304Solution1900 (1040)75(515)30(205)35
TP304LSolution1900 (1040)70(485)25(170)35
TP316Solution1900(1040)75(515)30(205)35
TP316LSolution1900(1040)70(485)25(170)35

Stainless Steel Pressure Tubing Dimensional Tolerances

376.20.0651.65+/-0.010+/-0.25+⅛, -0+3.18, -0+/-10.0%
4101.60.0832.11+/-0.015+/-0.38+⅛, -0+3.18, -0+/-10.0%
6152.40.1092.77+/-0.030+/-0.76+1, -0+25.4, -0+/-10.0%

Stainless Steel Medium Pressure Tubing Sizes and Pressure Ratings:

Nominal OD†OD ToleranceID RangePressure Rating*
1/4"- 0.007" / + 0.0".104" / .109"20,000 psi
3/8"- 0.010" / + 0.0".198" / .203"20,000 psi
9/16"- 0.011" / + 0.0".307" / .312"
.354" / .359"
20,000 psi
15,000 psi
3/4"- 0.010" / +0.0".432" / .437"
.510" / .515"
20,000 psi
15,000 psi
1"- 0.010" / +0.0".557" / .562"
.682" / .687"
20,000 psi
15,000 psi

Ultra High Pressure Tubing Sizes and Pressure Ratings:

 Nominal OD†OD ToleranceIDPressure Rating*
SS Pressure Tubing1/4"+ 0.004" / - 0.004"3/32" 
1/16"
80,000 psi 
114,000 psi
SS Pressure Tubing3/8"+ 0.004" / - 0.004"1/8" 
1/16
90,000 psi 
150,000 psi
SS Pressure Tubing9/16"+ 0.004" / - 0.004"5/16" 
3/16"
60,000 psi 
90,000 psi

Stainless Steel Pressure Tubing Sizes

High Pressure TubeNominal OD†OD ToleranceID RangePressure Rating*
SS Pressure Tubing1/4"- 0.007" / + 0.0".079" / .083"60,000 psi
SS Pressure Tubing3/8"- 0.010" / +0.0".121" / .125"60,000 psi
SS Pressure Tubing9/16"- 0.011" / + 0.0".182" / .187"
.245" / .250"
60,000 psi 
40,000 psi
SS Pressure Tubing3/4"- 0.010" / +0.0".245" / .250"60,000 psi
SS Pressure Tubing1"- 0.010" / +0.0".432" / .437"30,000 psi

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