Product Description
The chemical composition of 409 stainless steel coil sets it apart from other types of stainless steel. It is mainly composed of iron, with large amounts of chromium and small amounts of carbon, manganese, silicon and nitrogen. Iron is the primary element of 409 stainless steel, providing its strength and stability. Chromium gives the alloy corrosion resistance and helps form a protective oxide layer on the surface while carbon helps increase 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 compromising its structural integrity or dimensional stability.
Product Parameters
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Type
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Steel Coil
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Thickness
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2.5mm-10.0mm
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Length
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2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc.
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Width
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610mm-2000mm
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Standard
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ASTM, AISI, JIS, GB, DIN, EN, etc.
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Surface
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BA, 2B, NO.1, NO.4, 4K, HL, 8K, etc.
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Scope of Application
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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.
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Certificate
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ISO, SGS, BV, etc.
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Production Technology
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Hot Rolling, Cold Rolling
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Edge Processing
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Edging, Trimming
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Chemical Composition
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C
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Si
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Mn
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Cr
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Ni
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S
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P
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≤ 0.08
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≤1.0
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≤1.0
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10.5～11.75
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≤ 0.5
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≤ 0.045
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≤ 0.045
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Mechanical Properties
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Tensile Strength Kb (MPa)
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Yield Strength σ0.2 (MPa)
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Elongation D5 (%)
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Hardness
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≥360
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≥175
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≥25
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≤ 162HBW
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Physical Performance
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Density(g/cm³)
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Modulus of Elasticity(Gpa)
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Coefficient of Thermal Expansion(10-6/°C)
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Coefficient of Thermal Conductivity(W/m*K)
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Resistivity(NΩ.m)
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7.80
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200
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11.0
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25.8
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600
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