Stainless Steel Pipe
Introduction
Stainless steel pipes are tubular products made of stainless steel as the main material. They are mainly used as pipes for conveying fluids. With excellent corrosion resistance, high strength, durability and other characteristics, they are widely used in many industries such as construction, technology, medical, food, energy, etc. Wanzhi Steel has a large number of stainless steel pipes of various sizes that meet high quality standards and are very competitively priced.
Table of Contents
- Specifications of Stainless Steel Pipe
- Stainless Steel Pipe Production Process
- Types of Stainless Steel Pipes
- Stainless Steel Pipe Application
- Weight of Stainless Steel Pipe
- Stainless Steel Pipe Price
- Why Choose Us

Specifications of Stainless Steel Pipe
Product Name | Stainless Steel Pipe |
Thickness | 0.05mm-20mm or according to customer requirements |
Length | ≤12000mm or according to customer requirements |
Outer Diameter | 0.1mm-219mm or according to customer requirements |
Tolerance | Thickness: +/-10% or according to customer requirements |
Length: +/-10mm | |
Outer diameter: +/-0.2mm | |
Standard | ASTM A213, ASTM A312, ASTM A789, ASTM A790 |
Material | 201/202/304/316/321/S31803/S32750 |
Technique | Cold Rolled, Hot Rolled or Welded |
Surface Treatment | Polishing, mirror, bright, pickling, etc. |
MOQ | 5 tons |
Packing | Standard export packing or as required |
Stainless Steel Pipe Production Process
Round steel preparation → heating → hot rolling piercing → cutting → pickling → grinding → lubrication → cold rolling → degreasing → solution heat treatment → straightening → pipe cutting → pickling → finished product inspection


Types of Stainless Steel Pipes
1. By production process
- Seamless stainless steel pipes
- Welded stainless steel pipes
2. By shape
- Round pipes
- Oval pipes, rectangular pipes, diamond pipes
3. By material
- Austenitic stainless steel pipes (such as 304, 316)
- Martensitic stainless steel pipes (such as 410, 420, 440)
- Ferritic stainless steel pipes (such as 430, 409, 439)
- Duplex stainless steel pipes (such as 2205, 2507)
4. By use
- Structural stainless steel pipes
- Stainless steel pipes for fluid transportation
- Stainless steel pipes for heat exchangers
- Precision stainless steel pipes
- Decorative stainless steel pipes
Stainless Steel Pipe Application
- Industry and Energy: Oil and gas pipelines, chemical equipment pipelines, natural gas storage and transportation pipelines, boiler pipes, solar bracket pipes, hydraulic system pipelines, automobile exhaust pipes, etc.
- Construction and decoration fields: used for curtain wall brackets, stair handrails, guardrails, railings, steel structure frames; large-diameter round pipes are used for supporting components of bridges and factory buildings.
- Food industry: beer/dairy/juice pipelines, food machinery pipelines, food production equipment connecting pipes, food storage and distribution pipes.
- Medical industry: surgical instruments, implants, pharmaceutical equipment pipelines, infusion pipeline systems, etc.
- Urban infrastructure: used for urban water supply, drainage pipeline systems, natural gas pipelines, etc.
- Home field: kitchen sink drain pipes, range hood exhaust pipes, furniture frames, shower pipes, towel racks, etc.


Weight of Stainless Steel Pipe
Calculation formula
Calculation formula for round pipe
W (kg/m) = (D-t) x t x ρ
- D: outer diameter (mm).
- t: wall thickness (mm).
- ρ: material density coefficient (kg/m³).
- 201 stainless steel: 0.02466.
- 304 stainless steel: 0.02491.
- 430 stainless steel: 0.02421.
Calculation formula for square/rectangular pipe
Weight (kg/m) = 2×(a+b-2t) × t × ρ
- a: long-side OD (mm);
- b: short-side OD (mm);
- t: wall thickness (mm)
- ρ: material density coefficient (kg/m³).
- 201 stainless steel: 0.02466.
- 304 stainless steel: 0.02491.
- 430 stainless steel: 0.02421
Theoretical weight table of stainless steel pipe
Outer diameter x wall thickness (mm) | Weight (kg/m) | Outer diameter x wall thickness (mm) | Weight (kg/m) | Outer diameter x wall thickness (mm) | Weight (kg/m) |
6×1 | 0.125 | 27×3.5 | 2.049 | 57×3.5 | 4.664 |
6×1.5 | 0.168 | 28×2 | 1.295 | 60×4 | 5.58 |
8×1 | 0.174 | 28×3 | 1.868 | 60×5 | 6.85 |
8×1.5 | 0.243 | 30×2 | 1.395 | 63.5×4 | 5.929 |
10×1 | 0.224 | 30×2.5 | 1.713 | 70×3.5 | 5.798 |
10×1.5 | 0.318 | 30×3 | 2.018 | 76×4 | 7.174 |
12×1 | 0.274 | 32×2 | 1.495 | 76×4.5 | 8.015 |
12×1.5 | 0.392 | 32×2.5 | 1.837 | 76×5 | 8.843 |
12×2 | 0.498 | 32×3 | 2.167 | 80×4 | 7.753 |
14×1 | 0.324 | 32×3.5 | 2.485 | 89×4 | 8.469 |
14×2 | 0.598 | 33.5×3 | 2.616 | 89×4.5 | 9.472 |
14×3 | 0.822 | 34×3 | 2.317 | 89×5 | 10.462 |
16×2 | 0.697 | 34×3.5 | 2.659 | 89×6 | 12.405 |
16×3 | 0.971 | 38×3 | 2.616 | 102×5 | 12.081 |
17×3 | 1.046 | 38×3.5 | 3.008 | 102×6 | 14.348 |
18×1 | 0.423 | 40×2 | 1.893 | 108×4 | 10.363 |
18×1.5 | 0.617 | 40×3 | 2.765 | 108×4 | 11.602 |
18×2 | 0.797 | 42×3 | 2.914 | 108×5 | 12.829 |
18×3 | 1.121 | 42×3.5 | 3.357 | 114×4.5 | 12.274 |
20×1 | 0.473 | 42×4 | 3.786 | 127×5 | 15.195 |
20×2 | 0.897 | 45×3 | 3.139 | 133×5 | 15.942 |
20×3 | 1.27 | 45×3.5 | 3.618 | 133×6 | 18.981 |
21×3 | 1.345 | 48×3 | 3.363 | 159×4.5 | 17.319 |
22×2 | 0.996 | 48×3.5 | 3.88 | 159×5 | 19.181 |
22×2.5 | 1.214 | 48×4 | 4.384 | 159×6 | 22.867 |
22×3 | 1.42 | 50×4 | 4.583 | 168×6 | 24.212 |
25×2 | 1.146 | 50×5 | 5.605 | 219×6 | 31.835 |
25×2.5 | 1.401 | 51×3 | 3.587 | 219×8 | 42.048 |
25×3 | 1.644 | 51×3.5 | 4.141 | 273×9.3 | 61.09 |
27×3 | 1.794 | 57×3 | 4.035 | 325×10 | 78.467 |
Stainless Steel Pipe Price
The price of stainless steel pipe will be affected by raw material price, material, specification, production process and other factors, the price will be different, the following is a list of several different materials 1 ton stainless steel pipe price.
- 201 material stainless steel pipe, the price is about 1000 – 1500 USD / ton.
- 304 material stainless steel pipe, the common price is around 1600 – 2200 U.S. dollars / ton.
- For 316L stainless steel pipe, the price is usually around 2000 – 4500 USD/ton.


These prices are just for reference, for specific price information, you can contact Wanzhi Steel to get the accurate price information.
Why Choose Us
- 17+ years of production experience and 14+ years of export experience, providing the most economical solution for your project.
- Both raw materials and finished products are strictly tested to ensure the corrosion resistance and strength of the products.
- We can provide a variety of processing services such as cutting, bending, polishing, etc., and customize and finish stainless steel pipes.

As a professional stainless steel pipe supplier in China, Wanzhi Steel has passed ISO 9001, ISO14001 and other certifications. The supply of stainless steel products has stable performance and complete specifications. If you have any stainless steel pipe needs, please feel free to contact us.
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