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.
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- Commodity name: 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.
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 ParametersProduct Name
439 Stainless Steel Bar
Type
Steel Bar
Outer Diameter
Round Bar
4mm-500mm
Hexagon Bar
18mm-57mm (11/16″ to 2-3/4″)
Square Bar
18mm-47mm (11/16″ to 1-3/4″)
Flat Steel
1/2 "to 10", Thickness: 2mm-150mm, Can provide customized
Length
1-6 meters, Length can be customized
Standard
ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface
Black, 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
C
Si
Mn
Cr
S
P
≤ 0.03
≤1.0
≤1.0
17.0～19.0
≤ 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)
Dmodulus of Elasticity(Gpa)
Coefficient of Thermal Expansion(10-6/°C)
Coefficent of Yhermal Conductivity(W/m*K)
Resistivity(ΜΩ. cm)
7.60
210H
10.2
24.2
63
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439 Stainless Steel Bar - Stock Warehouse
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439 Stainless Steel Bar - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
439 Stainless Steel Bar - Product Measurement
Outer Diameter Measurement Outer Diameter Measurement Outer Diameter Measurement Outer Diameter Measurement -
439 Stainless Steel Bar - Product Packaging
Jiuzhou Metal
Your reliable steel supplier
Jiuzhou Metal has 10+ warehouses with ready stock. The annual supply capacity is approximately 10 million tons. It has 10 years of experience in large-scale project supply. The customer reorder rate reaches 86%. We ensure quality and quantity, provide material certificates, and will refund if the products are not qualified, so please be assured the purchase.
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