304 Stainless Steel Pipe
304 stainless steel is a highly-recognized material for its corrosion resistance, heat resistance, low temperature strength and mechanical properties. In addition, it has exceptional hot-workability such as stamping and bending, without leaving heat treatment hardening phenomenon, being one of the most widely used types of stainless steel.
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Product Description

304 Stainless Steel Pipe Description

304 stainless steel pipe is the most common type of steel pipe across the globe for a number of its characteristics. 304 stainless steel is primarily composed of iron, chromium and nickel. This combination gives rise to outstanding oxidation resistance and corrosion resistance. 304 stainless steel is a versatile stainless steel material with better anti-rust properties than 200 series stainless steel materials. It also outperforms them in high temperature resistance. 304 stainless steel pipe features a smooth surface, high plasticity, toughness and mechanical strength, and is very resistant to corrosion by acids, alkaline gases, solutions and other media. 304 stainless steel pipes are widely used in food processing equipment, building materials, automobile parts and other fields for its versatility and relatively low cost.


Product Parameters

Product Name

304 Stainless Steel Pipe

Type

Steel Pipe

Outer diameter

Round Tube

4mm-200mm

Square Tube

10*10mm-100*100mm

Rectangular Tube

10*20mm-50*100mm

Wall Thickness

0.6mm-6.0mm

Length

1-6 meters, Length can be customized

Standard

ASTM, AISI, JIS, GB, DIN, EN, etc.

Surface

Black, Bright Polished, Rough Turning, Matt Surface Treatment, No. 4. BA, etc.

Scope of Application

Common applications for stainless steel pipes include food processing,

Textile operations, Breweries, Water treatment plants, Oil and gas processing,

Fertilizers and pesticides, Chemical applications, Construction, Pharmaceuticals, Auto parts, etc.

Certificate

ISO, SGS, BV, etc.

Production Technology

Hot Rolling, Cold Rolling

Edge Processing

Edging, Trimming

 

Chemical Composition

C

Si

Mn

Cr

Ni

S

P

≤ 0.08

≤1.0

≤ 2.0

18.0~20.0

8.0~10.5

≤ 0.03

≤ 0.035

 

Mechanical Properties

Tensile Strength Kb (MPa)

Yield Strength σ0.2 (MPa)

Elongation D5 (%)

Hardness

≥ 520

≥ 205

≥ 40

≤ 187HB ;≤ 90HRB;≤ 200HV

 

Physical Performance

Density(g/cm³)

Modulus of Elasticity(Gpa)

Coefficient of Thermal Expansion(10-6/°C)

Coefficient of Thermal Conductivity(W/m*K)

Resistivity(ΜΩ. cm)

8.03

193

16.9

16.2

72

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Product Application

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Packaging and shipping

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Factory Display

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  • Stainless-Steel-Pipe-Manufacturers
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FAQ

Q1: What types of steel products does your company primarily manufacture and supply?
A: We are a direct manufacturer specializing in carbon steel, hot-dip galvanized steel, PPGI (pre-painted galvanized iron), and stainless steel (grades 201, 304, and 316) in the form of sheets, coils, pipes, and various structural profiles, along with complementary steel structural components. Our products serve a wide range of industries, including infrastructure, photovoltaics, machinery manufacturing, chemicals, and new energy.

 

Q2: Do you support customization regarding material grades, thicknesses, and dimensions?
A: Customization is available across our entire product range. For carbon steel, galvanized steel, and stainless steel, we can adjust thickness, width, and cut-to-length dimensions according to GB, ASTM, or EN standards. Various profiles can be cut and bent based on customer drawings, and special steel grades can be produced through customized scheduling.

 

Q3: What is the difference between galvanized steel and color-coated (PPGI) steel, and how should I choose for my project?
A: Hot-dip galvanized steel features a pure zinc anti-rust layer; it is cost-effective and impact-resistant, making it ideal for mounting brackets, guardrails, and load-bearing factory structures (and it can be painted over). PPGI color-coated steel uses a galvanized base, offering both rust protection and aesthetic appeal with a wide range of colors; it is commonly used for factory roofing, wall cladding, and energy storage equipment casings. We recommend thicker galvanized coatings for projects in rainy coastal areas, color-coated sheets for outdoor projects requiring visual appeal, and weather-resistant fluorocarbon (PVDF) coatings for high-temperature desert environments.

 

Q4: Does the factory keep stock on hand, and what is the minimum order quantity (MOQ)?
A: We operate our own standardized, zoned warehouse with a capacity of over 10,000 tons, maintaining ample stock of carbon steel, galvanized steel, and stainless steel. The MOQ for standard specifications is 1 ton, though we also accept sample orders as small as a few dozen kilograms. There is no upper limit for large-scale projects, and we support mixed-load shipments combining different steel products in a single container.

 

Q5: What are the lead times for stock items versus customized products?
A: Standard stock items take 3–7 days for processing, packaging, and container loading. Simple cutting and bending orders take 7–10 days. Orders requiring mold creation or special steel customization take 15–30 days; exact delivery dates are confirmed based on the customer's specific order specifications.

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