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Heat Resistant Stainless Steel Plate 309S / 2.4833 Stainless Plate & Sheet Thickness 1.5 - 50.0mm

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Heat Resistant Stainless Steel Plate 309S / 2.4833 Stainless Plate & Sheet Thickness 1.5 - 50.0mm

Brand Name : TISCO BAOSTEEL

Model Number : UNS S30908 / 309S

Certification : ISO

Place of Origin : China

MOQ : 500 kgs

Price : 4000-6000 USD/Ton

Payment Terms : T/T, Western Union

Supply Ability : 20Ton per week

Delivery Time : 5 - 12 days based on the quantity

Packaging Details : standard packing for export

Products : Stainless Steel Plate

Grade : UNS S30908 / 309S

Thickness : 1.5 - 50.0mm

Width : 1500mm 1219mm 1000mm

Surface : NO.1 2B

Brand : POSCO TISCO BAOSTEEL

Standard : ASTM A240/240M

Loading Port : Shanghai Port

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Heat Resistant Stainless Steel Plate 309S / 2.4833 Stainless Plate & Sheet Thickness 1.5 - 50.0mm

Product name 309s Stainless steel plate
Standard GB,JIS,DIN,AISI,ASTM,AISI,ASME
Thickness 1.5mm-50mm
Width 1000,1219,1250,1500mm, or as your requirements
Length 2000,2438,2500,3000,6000mm, or as your requirements
MOQ 1MT
Surface No.1, 2B, BA, 8K Mirror, Hairline,satin, Embossed,brush,No.4,HL,matt,pvc film,laser film.
Packing standard export packing (inside:water proof paper,outside:steel covered with strips and pallets)
Cargo ready date within 25-35 days after confirming orders
Delivery Time About 5-7 days after receive the deposit.

 

Alloys 309 and 309S are austenitic chromium-nickel stainless steels that are often used for higher temperature applications. Due to their high chromium and nickel content, Alloys 309 and 309S are highly corrosion resistant, have outstanding resistance to oxidation, and excellent heat resistance while providing good strength at room and elevated temperatures. The only significant difference between 309 and 309S is the carbon content. Alloy 309S has a much less carbon composition which minimizes carbide precipitation and improves weldability.

Specifications: UNS S30900/S30908

APPLICATIONS:

Alloys 309 and 309S are used exclusively for their high temperature oxidation resistance, excellent high temperature strength, along with their resistance to creep deformation and environmental attack. Some examples include, but are not limited to:

  • Heating elements
  • Aircraft and jet engine parts
  • Heat exchangers
  • Carburizing annealing products
  • Sulfite liquor handling equipment
  • Kiln liners
  • Boiler baffles
  • Refinery and chemical processing equipment
  • Auto exhaust parts

STANDARDS:

  • ASTM/ASME: UNS S30900/S30908
  • EURONORM: FeMi35Cr20Cu4Mo2
  • DIN: 2.4660

309 CORROSION RESISTANCE

  • Provide excellent corrosion resistance
  • More resistant to marine atmospheres than Alloy 304
  • Often used at higher temperatures to take advantage of their oxidation resistance
  • Have high resistance to sulfite liquors
  • Generally considered heat resistant alloys
  • Destructive scaling temperature is approximately 2000oF
  • Good scaling resistance with regard to continuous and intermittent service

HIGH TEMPERATURE CORROSION

  • Alloy 309 resists high temperature corrosion in most in-service conditions. Operating temperatures are as follows:
    • Oxidizing conditions (max. sulfur content–2 g/m3)
      • 1922°F (1050°C) continuous service
      • 2012°F (1100°C) peak temperature
    • Oxidizing conditions (max. sulfur greater than 2 g/m3)
      • 1742°F (950°C) maximum temperature
    • Low oxygen atmosphere (max. sulfur content–2 g/m3)
      • 1832°F (1000°C) maximum temperature
    • Nitriding or carburizing atmospheres
      • 1562–1742°F (850–950°C) maximum
The alloy does not perform as well as Alloy 600 (UNS N06600) or Alloy 800 (UNS N08800) in reducing, nitriding or carburizing atmospheres, but it does outperform most heat resistant stainless steels in these conditions.
 

309 HEAT TREATMENT

  • Cannot be hardened through heat treatment because the consist solely of austenite at room temperature
  • Higher tensile and yield strengths that can be obtained through cold working and not followed by full annealing are not stable at the higher temperatures where these alloys are used
  • Creep properties can be negatively affected by the use of cold worked material at these higher temperatures

FABRICATION

  • Can be roll formed, stamped, and drawn readily
  • In process annealing is often required to reduce hardness and increase ductility

WELDABILITY

  • The austenitic class of stainless steels is generally considered to be weldable
  • Generally considered to have weldability equivalent to the most common alloys of the austenitic class 304 and 304L
  • Special consideration is needed to compensate for a higher coefficient of thermal expansion to avoid warping and distortion

309 Chemical Properties:

  C Mn Si P S Cr Ni Fe
309 max: 0.20 2.0 max 0.75 max 0.045 max 0.03 max min: 22.0 max: 24.0 min: 12.0 max: 15.0 Balance
309H min: 0.04 max: 0.10 2.0 max 0.75 max 0.045 max 0.03 max min: 22.0 max: 24.0 min: 12.0 max: 15.0 Balance

309 Mechanical Properties:

Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Brinell) MAX
309/H 40 30 40 217

309 Physical Properties:

Density
lbm/in^3		 Thermal Conductivity
(BTU/h ft. °F)		 Electrical
Resistivity
(in x 10^-6)		 Modulus of
Elasticity
(psi x 10^6)		 Coefficient of
Thermal Expansion
(in/in)/
°F x 10^-6		 Specific Heat
(BTU/lb/
°F)		 Melting
Range
(°F)
at 68°F: 0.285 9.0 at 32- 212°F 30.7 at 68°F 28.5 8.28 at 32 – 212°F 0.1200 at 68°F to 212°F 2500-2590

 

 Heat Resistant Stainless Steel Plate 309S / 2.4833 Stainless Plate & Sheet Thickness 1.5 - 50.0mmHeat Resistant Stainless Steel Plate 309S / 2.4833 Stainless Plate & Sheet Thickness 1.5 - 50.0mmHeat Resistant Stainless Steel Plate 309S / 2.4833 Stainless Plate & Sheet Thickness 1.5 - 50.0mmHeat Resistant Stainless Steel Plate 309S / 2.4833 Stainless Plate & Sheet Thickness 1.5 - 50.0mm


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