409 Stainless Steel Plate
409 stainless steel is a ferritic steel with good mechanical properties and high temperature corrosion resistance. It contains 11% chromium, which is the minimum content required to form a corrosion-resistant passive surface film.

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- Commodity name: 409 Stainless Steel Plate
409 stainless steel is a ferritic steel with good mechanical properties and high temperature corrosion resistance. It contains 11% chromium, which is the minimum content required to form a corrosion-resistant passive surface film.
409 Stainless Steel Plate Description
The chemical composition of 409 stainless steel 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. 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. Its chemical composition also provides good solderability, thus simplifying the manufacturing process.
Product ParametersProduct Name
409 Stainless Steel Plate
Type
Plate
Thickness
0.3mm-200mm
Length
2000mm, 2438mm, 3000mm, 5800mm, 6000mm, 12000mm, etc.
Width
40mm-600mm, 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc.
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
Ni
S
P
≤ 0.08
≤1.0
≤1.0
10.5~11.75
≤ 0.5
≤ 0.045
≤ 0.045
Mechanical Properties
Tensile Strength Kb (MPa)
Yield Strength σ0.2 (MPa)
Elongation D5 (%)
Hardness
≥360
≥175
≥25
≤ 162HBW
Physical Performance
Density(g/cm³)
Modulus of Elasticity(Gpa)
Coefficient of Thermal Expansion(10-6/°C)
Coefficient of Thermal Conductivity(W/m*K)
Resistivity(NΩ.m)
7.80
200
11.0
25.8
600
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409 Stainless Steel Plate - Stock Warehouse
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409 Stainless Steel Plate - Product Inspection
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409 Stainless Steel Plate - Product Measurement
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409 Stainless Steel Plate- Product Packaging
Taigang Yilian
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Taigang Yilian 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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