439 Stainless Steel Coil

SKU: HC-1128989107794690048

439 stainless steel is a ferritic stainless steel with large amounts of chromium (approximately 18%) and low carbon content. This combination leads to its excellent corrosion resistance, especially in environments where chloride ions are present.

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Key Features

  • Third-Party Inspection Support
  • Sufficient Inventory Supply
  • International Standard Certification
  • Custom Processing Service

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Product Description

439 stainless steel is a ferritic stainless steel with large amounts of chromium (approximately 18%) and low carbon content. This combination leads to its excellent corrosion resistance, especially in environments where chloride ions are present. 439 stainless steel coil excels in corrosion resistance. This stainless steel has a high chromium content, which prevent s rust and corrosion in both wet and dry conditions. This makes it ideal for use in moisture or chemicals. In addition, 439 stainless steel also has good formability and weldability and can be easily molded into different forms or sizes without compromising on its structural integrity. This makes it versatile and suitable for different manufacturing processes. However, 439 stainless steel coil is vulnerable to corrosion in certain environments. Contact with chloride-containing substances, such as salt water or harsh cleaners, can cause pitting and rust on the surface of 439 stainless steel. 439 stainless steel coil does not have the same level of strength and durability as other types of stainless steel. Despite being a strong material, it may not perform well under heavy loads or stressful conditions.

Product Parameters

Product Name439 Stainless Steel Coil
TypeSteel Coil
Thickness2.5mm-10.0mm
Length2000mm,2440mm,3000mm,5800mm,6000mm,etc.
Width610mm-2000mm
StandardASTM,AISI,JIS,GB,DIN,EN,etc.
SurfaceBA,2B,NO.1,NO.4,4K,HL,8K,etc.
Scope of ApplicationWidely used in high temperature and electrical industry,medical equipment construction,chemical,food industry,agriculture and ship parts,food and beverage packaging,Kitchen supplies,trains,airplanes,conveyor belts,vehicles,bolts,nuts,springs and screens,etc.
CertificateISO,SGS,BV,etc.
Production TechnologyHot Rolling,Cold Rolling
Edge ProcessingEdging,Trimming

Chemical Composition

CSiMnCrSP
≤ 0.03≤1.0≤1.017.0~19.0≤ 0.03≤ 0.04

Mechanical Properties

Tensile Strength Kb (MPa)Yield Strength σ0.2 (MPa)Elongation D5 (%)Hardness
≥ 415≥ 205≥ 22≤ 89HRB

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)
7.6021010.224.263
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