409 Stainless Steel Pipe

409 Stainless Steel Pipe
409 stainless steel is a ferritic steel recognized for its good mechanical properties and corrosion resistance. It contains 11% chromium, which is the minimum amount required to form the passive surface film that makes stainless steel corrosion-resistant.
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product description

 

409 Stainless Steel Pipe Description

The chemical composition of 409 stainless steel pipes sets it apart from other stainless steels. It is mainly comprised of iron, with large amount of chromium and small amounts of carbon, manganese, silicon and nitrogen. Iron is the main element of 409 stainless steel, making for its strength and stability. Chromium helps form a protective oxide layer on the surface to ensure corrosion resistance. Carbon adds to the material's hardness and wear resistance. Manganese acts as a stabilizer to prevent excessive grain growth during heat treatment. Silicon enhances oxidation resistance while minimizing scaling at high temperatures. Nitrogen improves mechanical properties such as tensile strength and yield strength. This unique combination of elements gives 409 stainless steel excellent thermal expansion capabilities, making it suitable for high-temperature applications without jeopardizing its structural integrity or dimensional stability. Its chemical composition also helps achieve good solderability, thus simplifying the manufacturing process.


Product Parameters

Product Name

409 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

≤1.0

10.5~11.75

≤ 0.5

≤ 0.045

≤ 0.045

 

Mechanical Properties

Tensile Strength Kb (MPa)

Yield Strength σ0.2 (MPa)

Elongation D5 (%)

Hardness

≥360

≥175

≥25

≤ 162HBW

 

Physical Performance

Density(g/cm³)

Modulus of Elasticity(Gpa)

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

Coefficient of Thermal Conductivity(W/m*K)

Resistivity(NΩ.m)

7.80

200

11.0

25.8

600

Factory Display

 

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Mode Of Transport

 

不锈钢管-1_15

FAQ

 

Q1: Are you a manufacturer or a trading company?
A: We are a professional metal products manufacturer based in Shandong, China, with our own production facilities and a strong supply chain. We specialize in carbon steel and stainless steel products, with over 100,000 tons of stock available year-round.

 

Q2: Where is your company located? Can I visit your factory?
A: Our company is located in Shandong, China. We welcome customers and partners from all over the world to visit our facilities. Please contact us in advance to arrange a visit.

 

Q3: What products does your company mainly supply?
A: We mainly supply carbon steel and stainless steel products in various forms, including plates, pipes, coils, bars, structural steel (H-beam, channel steel, angle steel), and customized metal components. We cover a full range of specifications to meet diverse customer needs.

 

Q4: Do you support OEM or customized orders?
A: Yes. We have years of experience in product customization. We can produce according to your drawings, samples, or specific technical requirements. Please contact us with your customization needs.

 

Q5: What material grades do you offer?
A: For carbon steel, we offer grades such as A36, S235JR, Q235, Q345, and more. For stainless steel, we offer 304, 304L, 316, 316L, 201, 430, and other common grades. Custom grades are available upon request.

 

Q6: How do you guarantee product quality?
A: Our factory operates under strict QA/QC standards. Every product is inspected during production and before shipment to ensure it meets agreed quality specifications. We can provide mill test certificates and accept thirdparty inspections upon request.

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