439 Stainless Steel Coil
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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- Commodity name: 439 Stainless Steel Coil
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 Description
439 stainless steel coil excels in corrosion resistance. This stainless steel has a high chromium content, which prevents 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 ParametersProduct Name
439 Stainless Steel Coil
Type
Steel Coil
Thickness
2.5mm-10.0mm
Length
2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc.
Width
610mm-2000mm
Standard
ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface
BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc.
Scope of Application
Widely 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.
Certificate
ISO, SGS, BV, etc.
Production Technology
Hot Rolling, Cold Rolling
Edge Processing
Edging, Trimming
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)
Modulus of Elasticity(Gpa)
Coefficient of Thermal Expansion(10-6/°C)
Coefficient of Thermal Conductivity(W/m*K)
Resistivity(ΜΩ. cm)
7.60
210
10.2
24.2
63
Surface Selection
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439 Stainless Steel Coil - Stock Warehouse
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439 Stainless Steel Coil - Product Inspection
Tensile Strength Testing Tensile Strength Testing Physical Performance Testing Chemical Composition Testing 
Inspection Hardness Testing Spectral Detection Mechanical Properties -
439 Stainless Steel Coil - Product Measurement
Thickness measurement Thickness measurement Thickness measurement Width measurement 
Measurement Measurement Measurement Measurement -
439 Stainless Steel Coil - 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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