susan@lorkgroup.com
8619937075488
enLanguage

Your Professional Stainless Steel Pipe & Tube Manufacturer

 

Lork Group specializes in supplying stainless steel pipe and tube. Common materials include 17-4ph, 15-7ph, 13-8ph, Nitronic 40, AL-6XN, 310s, and 321 etc. Our stock complies with ASTM, AISI, AMS, JIS, GB, and other relevant standards. These pipes and tubes are commonly used in aerospace, medical, and industrial applications. We stock pipes and tubes sizes ranging from Outside diameter: 6mm - 1219mm， Thickness: 0.5mm - 100mm. （Capillary pipe: outside diameter: 0.5mm - 6.0mm， Thickness: 0.05mm - 2.0mm ). We also offer custom processing services from billets to seamless pipes, capillaries, and related castings. Most importantly, we support third-party testing!

  • 17-4 PH Stainless Steel Pipe (UNS S17400)
    17-4 PH Stainless Steel Pipe (UNS S17400)

    17-4 PH pipe is a martensitic precipitation hardening stainless steel with additions of copper (Cu), niobium (Nb) and tantalum (Ta). The grade combines high strength and hardness values with moderate

  • Nitronic 60 Tube(UNS S21800 / Alloy 218)
    Nitronic 60 Tube(UNS S21800 / Alloy 218)

    Nitronic 60 (UNS S21800) tubing is a nitrogen-strengthened, high-silicon, high-manganese austenitic stainless steel seamless tube designed specifically for unlubricated metal-to-metal sliding

  • 310moLN Stainless Steel Pipe (UNS S31050 / ASTM A213)
    310moLN Stainless Steel Pipe (UNS S31050 / ASTM A213)

    310MoLN stainless steel pipe is a triple insurance against deformation, corrosion, and carburization in complex flue gas environments at extreme high temperatures (up to 1150°C). It is a battle armor

  • F55 Duplex Stainless Steel Pipe (UNS S32760)
    F55 Duplex Stainless Steel Pipe (UNS S32760)

    UNS S32760 duplex pipe is a super duplex stainless steel with a microstructure of 50% austenite and 50% ferrite. has very good resistance to localized corrosion and stress corrosion cracking in

  • Stainless Steel 254 SMO Tube(1.4547 / UNS S31254)
    Stainless Steel 254 SMO Tube(1.4547 / UNS S31254)

    Stainless steel 254 SMO tube is an austenitic stainless steel, similar to alloy 904L, but with increased molybdenum and nitrogen contents, to be used in seawater, oil and gas piping systems on

  • AISI 904L Stainless Steel Pipe (UNS N08904,ASTM A312)
    AISI 904L Stainless Steel Pipe (UNS N08904,ASTM A312)

    Lork Group is a leading international exporter and supplier of high-performance ASTM A312 AISI 904L Stainless Steel Pipes. We supply a comprehensive range of both seamless and welded 904L stainless

  • AISI 321 Stainless Steel Pipe (UNS S32100)
    AISI 321 Stainless Steel Pipe (UNS S32100)

    AISI 321 pipe is made from an austenitic stainless steel offering an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range

  • AISI 304 304L Stainless Steel Pipe
    AISI 304 304L Stainless Steel Pipe

    304/304L Stainless Steel Alloy has excellent mechanical properties and is resistant to many corrosive agents.

  • AISI 316 316L Stainless Steel Pipe (UNS S31600 / S31603)
    AISI 316 316L Stainless Steel Pipe (UNS S31600 / S31603)

    AISI 316/316L pipe is a popular alloy that possesses molybdenum. Unlike 304 steel, the most common form of stainless steel, it possesses enhanced resistance to corrosion from chloride and other

  • AISI 310 310S Stainless Steel Pipe (UNS S31000 S31008)
    AISI 310 310S Stainless Steel Pipe (UNS S31000 S31008)

    AISI 310/310S pipe high chromium and nickel contents provide comparable corrosion resistance, superior resistance to oxidation and the retention of a larger fraction of room temperature strength

  • 904L Stainless Steel Pipe (UNS N08904)
    904L Stainless Steel Pipe (UNS N08904)

    904L Stainless Steel pipe is a high-alloy austenitic stainless steel containing nickel, copper and molybdenum. It offers superior corrosion resistance when compared to conventional chromium-nickel

  • PH 15-7Mo Stainless Steel Pipe (UNS S15700)
    PH 15-7Mo Stainless Steel Pipe (UNS S15700)

    Lork Group is a trusted global supplier and exporter of PH 15-7MO pipe, a premium precipitation-hardening stainless steel known for its exceptional strength, corrosion resistance, and heat treatment

First 12 Last
AISI 316 316L Pipe

 

Custom Stainless Steel Pipes & Tube

We provide custom stainless steel pipe manufacturing solutions to meet your project needs. Customizable Options:

1. Material Grade:

Duplex steel, precipitation hardening steel, stainless steel.

 

2. Size:

Outside diameter: 6mm - 1219mm, Thickness: 0.5mm - 100mm. Or it can be customized upon request.

 

3. Availability:

Solid solution state, aging state, precipitation hardening state, return state, etc.

 

4. Surface Treatment:

We provide polishing, sandblasting, electroplating, and other surface treatment processes, which can be customized upon request.

 

Our Best-Selling Stainless Steel pipe & Tube

 
 
 

17-4 PH tube

17-4 PH tube is a martensitic precipitation hardening stainless steel with additions of copper (Cu), niobium (N,b), and tantalum (Ta). The grade combines high strength and hardness values with moderate corrosion resistance.

 
 

UNS S32760 Duplex Pipe

UNS S32760 duplex pipe is a super duplex stainless steel with a microstructure of 50% austenite and 50% ferrite.It has very good resistance to localized corrosion and stress corrosion cracking in combination with high mechanical strength.

 
 

AISI 321 tube

AISI 321 tube is made from an austenitic stainless steel offering an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C).

 
 

AISI 304 304L Pipe

Lork Group is a leading supplier and exporter of the AISI 304/304L pipe and tubes. 304/304L Stainless Steel Alloy has excellent mechanical properties and is resistant to many corrosive agents.

 

 

Stainless Steel Pipes & Tubes Specification

 

Type

Cold Drawn / Welded / ERW

Outer Diameter Size

Seamless - 1/4" NB to 6" NB (Nominal Bore Size)
Welded / ERW- 1" NB to 16" NB (Nominal Bore Size)

Wall Thickness

Schedule 10 to Schedule 160

Length

5 to 7 Meters, 09 to 13 Meters, Single Random Length, Double Random Length,andnd Customize Size.

Ends

Plain Ends / Beveled Ends

Delivery Conditions

As Rolled, Cold Drawn, Hot Finish, Stress Relieved, Annealed, Hardened, Tempered

Coating

Electropolish, Mechanical Polish, Satin Finish, Passivated

Other Testing

NACE MRO175, Hardness Test, Flare, Hydrostatic Test, Eddy Current test, Grain Size Test, Eddy Current, Annealed, Tempered, Stress Relieved, etc.

Dimension

All pipes are manufactured and inspected / Tested to the Relevant standardss including ASTM and ASME

Value Added Services

Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment

 

Stainless Steel Pipes & Tubes Chemical Composition

 

Element

Content (%)

Iron, Fe

Balance

Chromium, Cr

26

Nickel, Ni

8

Molybdenum, Mo

4

Manganese, Mn

1

Silicon, Si

1

Copper, Cu

1

Tungsten, W

1

Nitrogen, N

0.3

Carbon, C

0.03

Sulfur, S

0.015

Phosphorous, P

0.035

 

Stainless Steel Pipes & Tubes Mechanical Properties

 

Tensile Strength, Rm：

500 - 700N/mm2

Yield Strength, Rp0,2:

190N/mm2

Elongation, A:

40%

Modulus Of Elasticity, E:

200 GPa

Hardness, HB:

<215

Thermal Capacity, Cp:

500 J * kg-1 * K-1

Thermal Conductivity, Λ:

15 W * m-1 * K-1

Resistance, Ω:

0.73 mkOhm*m

Linear Expansion Coefficient, Α:

16.0 * 10-6 K-1

 

Stainless Steel Pipes & Tubes Material

 

Stainless Steel

Duplex Stainless Steel

Precipitation Hardening Stainless Steel

300 Series Stainless Steel

Other Stainless Steel

UNS S31803

UNS S32750

UNS S32205

UNS S32760

CD4MCuN

zeron 100

Ferralium 255

17-4PH

17-7PH

PH13-8mo

15-5PH

PH 15-7mo

AISI 316

AISI 316L

AISI 304

AISI 304L

AISI 301

AISI 309

AISI 310

AISI 310S

AISI 321

AISI 306

AISI 347

AISI 347H

Nitronic 30

Nitronic 40

Nitronic 50

Nitronic 60

254SMO

AL-6XN

904L Stainless Steel

 

Stainless Steel Pipes & Tubes Wall Tolerances

 

   

3/8" to 7/8"

  

15/16" to 1 7/8"

  

1 15/16" to 3 ¾"

  

Gage

Nominal

Min.

Max.

Min.

Max.

Min.

Max.

22

.028"

.023"

.029"

.023"

.029"

*

*

20

.035"

.030"

.037"

.030"

.036"

.030"

.036"

19

.042"

.036"

.044"

.036"

.043"

.036"

.043"

18

.049"

.043"

.052"

.043"

.051"

.043"

.051"

17

.058"

.052"

.063"

.051"

.062"

.051"

.062"

16

.065"

.058"

.070"

.058"

.069"

.058"

.069"

15

.072"

.065"

.077"

.065"

.076"

.065"

.076"

14

.083"

.076"

.089"

.076"

.088"

.076"

.087"

13

.095"

.088"

.101"

.088"

.100"

.088"

.099"

12

.109"

*

*

.101"

.115"

.101"

.114"

11

.120"

*

*

.112"

.127"

.112"

.126"

10

.134"

*

*

.126"

.141"

.126"

.140"

Stainless Steel Tube Surface Treatment

 

productcate-1-1

 

 

Application of Stainless Steel Tube

 

Industrial and chemical processing

Stainless steel tube is widely used in industrial and chemical processing plants due tto itscorrosion resistance and durability. It is used to transport various chemicals, gases, and liquids, including corrosive and high-temperature substances.

 

Oil and gas industry

Stainless steel tube is also used in refineries and petrochemical plants for its resistance to corrosive substances and high temperatures. It is a cost-effective choice for these industries, as it requires minimal maintenance and has a long lifespan.

 

Food and beverage industry

Stainless steel tube is a popular choice in the food and beverage industry due to its hygienic properties. It is non-porous, making it resistant to bacteria and easy to clean. This makes it suitable for transporting food and beverages, as well as for use in food processing and packaging.

 

Water and wastewater treatment

Stainless steel tube is commonly used in water and wastewater treatment plants due to its corrosion resistance and durability. It is used for transporting both clean and wastewater, as well as for various treatment processes.

 

Construction and architecture

Stainless steel tube is a popular choice in construction and architecture for its strength, durability, and aesthetic appeal. It is commonly used for structural support, in building frames and bridges, as well as for decorative purposes, such as handrails and balustrades.

 

Automotive and transportation

Stainless steel tube is used in the automotive and transportation industries for its strength, durability, and corrosion resistance. It is commonly used for exhaust systems, as well as for fuel and brake lines.

 

 

Quality Inspection Procedures

Spectrometer
Spectrometer
Ultrasonic Testing
Ultrasonic Testing
Stress Corrosion Testing
Stress Corrosion Testing
Microcopy
Microcopy
Mechanical
Mechanical
Eddy Current Test
Eddy Current Test
Heat Treatment Furnace
Heat Treatment Furnace
Corrosion Test
Corrosion Test
Hydraulic Test
Hydraulic Test
Metallographic Test
Metallographic Test

FAQ

Q: What is a stainless steel tube?

A: Stainless steel tubes are hollow, cylindrical structures used both as components in machinery and as conduits for fluid transport.

Q: Is a stainless steel tube strong?

A: The main advantage of stainless steel square tubes is their high strength and durability, which makes them ideal for heavy-duty applications. They are also resistant to corrosion and high temperatures, making them popular for outdoor and marine environments.

Q: Does stainless steel tubing rust?

A: Stainless steel is naturally corrosion-resistant, but it is not immune to rust. While it is less prone to rusting than conventional steels, exposure to damaging chemicals, saline, grease, moisture, or heat for extended periods of time can cause corrosion.

Q: How long before stainless steel rusts?

A: In harsh conditions like coastal areas or industrial environments with chlorine or acidic substances, it may begin to show signs of rust in as little as a few months. In more controlled environments, it could take years or even decades.

Q: What is a stainless steel tube used for?

A: Stainless tubing is used in a wide variety of applications for instruments, air, hydraulics, and any number of fluid handling operations in process plants, paper mills, medical facilities, wineries, breweriess and OEM's. Stainless tubing comes in both welded and seamless.

Q: Can you bend a stainless steel tube?

A: They allow a bender operator to gain a leverage advantage to apply proper force to the tubing. Bending stainless tubing takes a considerable effort compared to softer metals.

Q: Should you heata  stainless steel tube to bend it?

A: The temperature that you need to heat the steel will depend on the type of steel that you are using. It will need to be at least 1,000 degrees Fahrenheit (540 degrees Celsius) for carbon steel, and at least 1,500 degrees Fahrenheit (815 degrees Celsius) for stainless steel.

We're well-known as one of the leading stainless steel tube manufacturers in China. Please feel free to buy cheap stainless steel tube for sale here and get pricelist from our factory. For price consultation, contact us.

Send Inquiry