Stainless Steel Corrugated Tube

Steel corrugated tubes are highly valued in industries because of their exceptional strength, remarkable durability and great versatility. These tubes stand out from tubing solutions due to the presence of ridges or corrugations along their length.


The key feature of steel corrugated tubes lies in their flexibility, which comes from their unique construction. The corrugations allow the tubes to bend and twist without any damage or significant deformation, making them ideal for routing through spaces or around shapes. This quality makes them highly sought after in construction projects as for transporting liquids, gases or even solids through pipes.


One of the qualities of these tubes is their resistance to corrosion, even under harsh conditions. They can withstand pressure temperatures and exposure to various chemicals. This makes them the perfect choice for a range of applications including oil and gas production, thermal solar plants, district heating or cooling systems and more.


Another notable advantage of steel corrugated tubes is their ability to absorb vibrations. The corrugations help reduce vibrations and noise levels in applications, like HVAC systems or industrial machinery where smooth and quiet operation is essential. Producing steel corrugated tubes involves a known process called deep drawing, where pressure is applied to create the corrugations. This technique guarantees consistent results thanks to quality control measures.


One notable advantage of steel corrugated tubes lies in their sustainability. By utilizing steel, a recyclable material, these tubes align with the growing global emphasis on environmental responsibility. Steel corrugated tubes offer a combination of strength, flexibility and resistance to corrosion that few other materials can match. The distinctive design of the corrugations combined with the durability of steel makes them an essential component in industrial applications. Their versatility and eco-friendly benefits ensure their continued value 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

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

Dimensional Tolerances

SIZE OD NOMINAL WALL THICKNESS OUTSIDE DIAMETER TOLERANCE LENGTH TOLERANCE WALL THICKNESS TOLERANCE
(in)(mm)(in)(mm)(in)(mm)(in)(mm)(%)
½12.70.0651.65+/-0.005+/-0.13+⅛, -0+3.18, -0+/-10.0%
¾19.10.0651.65+/-0.005+/-0.13+⅛, -0+3.18, -0+/-10.0%
125.40.0651.65+/-0.005+/-0.13+⅛, -0+3.18, -0+/-10.0%
38.10.0651.65+/-0.008+/-0.20+⅛, -0+3.18, -0+/-10.0%
250.80.0651.65+/-0.008+/-0.20+⅛, -0+3.18, -0+/-10.0%
63.50.0651.65+/-0.010+/-0.25+⅛, -0+3.18, -0+/-10.0%
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%

Chemical Composition

STAINLESS STEEL CORRUGATED TUBE GRADESUNSCMnPSSiCrNiMoTiNbN
TP304S304000.0820.0450.03118.0-20.08.0-11.0
TP304LS304030.03520.0450.03118.0-20.08.0-13.0
TP316S31600.0820.0450.03116.0-18.011.0-14.02.0-3.0
TP316LS316030.03520.0450.03116.0-18.010.0-14.02.0-3.0

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

Pressure Rating

SIZESINGLE BRAIDDOUBLE BRAID
Nominal SizeStatic Dynamic bend radiusMax. workingTest pressureBurst Static Dynamic bend radiusMax. workingTest pressureBurst 
bend radiuspressurepressurebend radiuspressurepressure
Inchmmmmmmbarbarbarmmmmbarbarbar
1/462510015423061625100246369984
3/8104015010515742040150168252672
1/212502008813235250200140210560
5/816502007310929250200116174464
3/42070200649625670200102153408
1259020050752009020080120320
32110250426316811025067100268
1 ½4013025032481281302505176204
25017535031461241753504973196
2 ½6520041026391042004104161164
3802054501827722054502842112
41002305601624642305602639104
51252806601624642806602537100
6150320815121848320815203080
820043510151016404351015162464
1025056012206.51026560122010.51642

Tube Sizes

NOMINAL DIAMETER (INCHES)NUMBER OF BRAIDSNOMINAL OD (INCHES)STATIC
MINIMUM BEND RADIUS (INCHES)
DYNAMIC 
MINIMUM BEND RADIUS (INCHES)
MAXIMUM
WORKING PRESSURE
@ 70°
F (PSIG)
BURST PRESSURE
@ 70 F (PSIG)
WEIGHT PER FOOT
(POUNDS)
 1/400.386  188 0.05
10.4341.183.94195578210.121
 3/800.634  156 0.132
10.6821.573.94154661860.225
 1/200.764  94 0.168
10.8121.775.51117646930.308
 3/401.106  78 0.285
11.1542.176.396038390.438
1   01.445  56 0.39
11.5092.567.0997839110.722
1 1/401.787  39 0.478
11.8513.158.6671128440.893
1 1/202.157  31 0.644
12.2373.5410.2456922751.227
2   02.709  23 0.84
12.7894.3312.9955122041.613
2 1/203.189  21 0.941
13.2796.514.9640216072.117
3   03.78  17 1.169
13.878.517.7233813512.58
4   04.764  14 1.626
14.85411.0222.052389533.272
5   05.945  21 2.755
16.03513.9827.952248964.872
6   07.047  21 3.32
17.13715.9833.861495975.941
8   09.094  17 3.998
19.18418.9841.731927689.307

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