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309/309S Stainless Steel Plate

309 and 309S are austenitic chromium-nickel stainless steels that are typically used for higher temperature applications. Due to its high chromium and nickel content, 309 and 309S alloys have a high degree of corrosion resistance, excellent oxidation resistance and excellent heat resistance, while providing good strength at room temperature and high temperature. The only significant difference between 309 and 309S is the carbon content. The 309S alloy has less carbon, which minimizes carbide precipitation and improves weldability.
  • Commodity name: 309/309S Stainless Steel Plate

Keyword:

309/309S Stainless Steel Plate

  • PRODUCT DESCRIPTION
  • 309/309S Stainless Steel Plate Description

    309 and 309S are austenitic chromium-nickel stainless steels that are typically used for higher temperature applications. Due to its high chromium and nickel content, 309 and 309S alloys have a high degree of corrosion resistance, excellent oxidation resistance and excellent heat resistance, while providing good strength at room temperature and high temperature. The only significant difference between 309 and 309S is the carbon content. The 309S alloy has less carbon, which minimizes carbide precipitation and improves weldability.


    Product Parameters

    Product Name

    309/309S 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

    ≤ 0.75

    ≤ 2.0

    22.0~24.0

    12.0~15.0

    ≤ 0.03

    ≤ 0.045

     

    Mechanical Properties

    Tensile Strength Kb (MPa)

    Yield Strength σ0.2 (MPa)

    Elongation D5 (%)

    Hardness

    ≥515

    ≥205

    ≥35

    ≤ 217HB

     

    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)

    7.98

    200

    14.9

    15.6

    78

     

    Surface Selection

Packing and delivery

Our company adheres to the principle of reputation first and small profits but quick turnover, and expands the market with high-quality services and flexible business models. Our product quality, price, service and reputation remain the same as before. With the strong assistance and support of new and old customers, we continue to grow and become a professional steel export manufacturer.

 

 

 

Application areas

Its products are suitable for various fields such as automobiles, motorcycles, power, machinery, hydraulic accessories, bearings, pneumatic components, oil cylinders, coal mines, conveyors, boiler equipment, pipelines, engineering, etc. Our company has 5 perforation units, 30 precision rolling machines, and 6 cold drawing machines.

 

Factory appearance

It is a specialized manufacturer and seller of carbon steel, steel bars, stainless steel, galvanized, hot-rolled seamless steel pipes, precision seamless steel pipes, cold drawn seamless steel pipes, alloy pipes, special-shaped pipes, etc.

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