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High Strength 409 Stainless Steel Square Tube Corrosion Resistant

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High Strength 409 Stainless Steel Square Tube Corrosion Resistant

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Brand Name : HYX

Model Number : 409

Certification : CE ISO CNAS CQC

Place of Origin : China

MOQ : 1Ton

Price : $1500-$2400

Payment Terms : T/T,L/C

Supply Ability : 30000Tons/Month

Delivery Time : 7-15days

Packaging Details : Standard package

Application : Industry, Construction, Decoration

Length : 10-12000mm or as Customized

Material : Steel

Standard : ASTM, AISI, DIN, EN, GB, JIS

Shape : Round

Technique : Cold Rolled

Outer Diameter Range : 1-2000mm

Thickness Range : 0.5-200mm

Tolerance : 0.1mm

Surface Finish : Polished

Edge : Mill Edge Slit Edge

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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

High Strength 409 Stainless Steel Square Tube Corrosion Resistant


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