439 Stainless Steel Bar

439 stainless steel is a ferritic stainless steel with high amounts of chromium and low carbon content. This gives it excellent corrosion resistance, especially in environments where chloride ions exist.

PRODUCT DESCRIPTION

439 Stainless Steel Bar Description

439 stainless steel bars have a high chromium content that can prevent rust and corrosion in both wet and dry conditions. This makes them an ideal option in environments where moisture or chemicals exist. In addition, Good formability and weldability means they can be easily molded into different forms or sizes without sacrificing the structural integrity. This makes them applicable for a variety of manufacturing processes. However, 439 stainless steel bars are prone to corrosion in certain environments. Contact with substances containing chloride, such as salt water or harsh cleaners, can cause pitting and rust on the surface. For another, 439 stainless steel bars may not have the same level of strength and durability as other stainless steel bars. Although it is still a strong material, it may not perform well under heavy loads or stressful conditions.

Product Parameters

Product Name 439 Stainless Steel Bar
TypeSteel Bar
Outer DiameterRound Bar4mm-500mm
Hexagon Bar18mm-57mm (11/16″ to 2-3/4″)
Square Bar18mm-47mm (11/16″ to 1-3/4″)
Flat Steel1/2 "to 10", Thickness: 2mm-150mm, Can provide customized
Length1-6 meters, Length can be customized
StandardASTM, AISI, JIS, GB, DIN, EN, etc.
SurfaceBlack, Bright Polished, Rough Turning, Mattness Surface Treatment, No. 4. BA, etc.
Scope of Application

Stainless steel bars are used in a variety of industries such as shipbuilding,

Defense, Automotive, Textiles, Paper and pulp, Manufacturing, Cement,

Heavy earthmoving equipment and construction, etc.

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
41520522≤ 89HRB

Physical Performance

Density(g/cm³)Dmodulus of Elasticity(Gpa)Coefficient of Thermal Expansion(10-6/°C)Coefficent of Yhermal Conductivity(W/m*K)Resistivity(ΜΩ. cm)
7.60210H10.224.263


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