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310 Stainless Steel Sheet & Plate

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310 Stainless Steel Sheet & Plate (UNS S31008,1.4845)

310 stainless steel sheet and plate are premium austenitic materials designed for high-temperature and high-corrosion environments. Combining outstanding strength, oxidation resistance, and durability, this alloy is a versatile solution for industries requiring reliable performance in extreme conditions. With chromium content of 24-26% and nickel content of 19-22%, 310 stainless steel delivers exceptional heat resistance while maintaining structural integrity under thermal cycling.

 

Key Features

  • High-Temperature Resistance: One of the key advantages of 310 stainless steel is its ability to withstand temperatures up to 1100°C (2012°F) in continuous service, making it ideal for high-heat environments.
  • Corrosion Resistance: Excellent resistance to oxidation, scaling, and thermal fatigue in high-temperature applications. It also shows resistance to many corrosive environments, although it is not as resistant to chlorides as 316 stainless steel.
  • Mechanical Properties: The combination of high chromium and nickel content gives 310 stainless steel good tensile strength (~520 MPa) and good ductility, making it reliable under thermal and mechanical stress.

 

Technical Specifications:

  • UNS Number: S31008
  • DIN/EN Designation: 1.4845

Available Thickness

3/16″1/4″5/16″3/8″1/2″5/8″3/4″1″
4.8mm6.3mm7.9mm9.5mm12.7mm15.9mm19mm25.4mm
1 1/4″1 1/2″1 3/4″2″2 1/4″2 1/2″3″
31.8mm38.1mm44.5mm50.8mm57.2mm63.5mm76.2mm
310-stainless-steel-sheet-plate

Application

  • Automotive
  • Chemical and Pharmaceutical
  • Fertilizer
  • Food Processing and Handling
  • Manufacturing
  • Mining
  • Oil & Gas
  • Phosphate Mining

Standard

  • ASTM A240 / A240M
  • ASTM A276 / A276M
  • ASTM A312 / A312M
  • ISO 15510
  • EN 10088-2
  • IN 10204
  • HE G4304
  • HE G4305
  • ASME SA240 / SA240M
  • ASME SA312 / SA312M

Worldwide Equivalent Grade of 310

Country
Standard
Grade
USA
ASTM
310
Germany
DIN
X15CrNi25-20
Japan
JIS
SUS 310 
UK 
BS
310 (1.4845) 
China 
GB
0Cr25Ni20 
France
AFNOR
Z12CND25-20 

Corrosion Resistance

  • Oxidation Resistance: Thanks to its high chromium content (about 25%), Stainless Steel Plate 310 offers excellent resistance to oxidation, especially at high temperatures. It can withstand environments up to 2100°F (1149°C) without significant degradation, making it suitable for furnace components and high-heat applications.
  • Sulfuric Acid Resistance: While not as resistant as some other alloys, Stainless Steel Plate 310 provides good resistance to sulfuric acid in dilute concentrations and at moderate temperatures, which is beneficial in certain chemical processing environments.
  • Chloride Stress Corrosion Cracking (SCC): The alloy has moderate resistance to chloride-induced stress corrosion cracking, though it is not as resistant as some other grades specifically designed for this purpose, such as 316L.
  • Corrosion in Acidic Environments: Stainless Steel Plate 310 offers some resistance to acids, including nitric acid, but may require additional protective measures or coatings in highly aggressive acid environments to ensure optimal performance.
  • General Corrosion Resistance: The high nickel content (about 20%) helps to enhance resistance against general corrosion, including atmospheric corrosion and various industrial chemicals, providing a broad spectrum of protection.

Chemical Composition of Stainless Steel Plate 310

Element Composition Range
Chromium (Cr) 24-26%
Nickel (Ni) 19-22%
Carbon (C) Max 0.25%
Manganese (Mn) Max 2.0%
Silicon (Si) Max 1.0%
Phosphorus (P) Max 0.045%
Sulfur (S) Max 0.03%

Physical Properties for Stainless Steel Plate 310

Property Value
Density 7.80 g/cm³
Melting Point ~1400-1450°C (2550-2640°F)
Young’s Modulus ~200 GPa (29,000 ksi)
Poisson’s Ratio ~0.30
Thermal Conductivity ~15.1 W/m·K (at 100°C)
Specific Heat Capacity ~500 J/kg·K
Electrical Resistivity ~0.72 μΩ·m
Thermal Expansion ~16.0 x 10⁻⁶ /°C

Mechanical Properties for Stainless Steel Plate 310

PropertyValue
Yield Strength~210 MPa (30 ksi)
Tensile Strength~510-690 MPa (74-100 ksi)
Elongation~40% (in 50 mm gauge length)
Hardness~217 HB (Rockwell B)
Modulus of Elasticity~200 GPa (29,000 ksi)
Fatigue Strength~140 MPa (20 ksi)
Impact ToughnessNotched Charpy Impact: ~50 J (at room temperature)

Fabrication Data

  1. Cutting
  • Laser Cutting: Provides high precision and clean edges. Suitable for intricate designs and thick plates.
  • Water Jet Cutting: Effective for cutting thick plates without affecting the material properties due to heat.
  • Plasma Cutting: Fast and cost-effective for thicker plates, though it may produce rougher edges compared to laser cutting.
  • Shearing: Suitable for straight cuts in thinner plates.
  1. Machining
  • Drilling: Use carbide-tipped drill bits or cobalt drills. Stainless steel can work-harden, so cutting speeds and feeds should be optimized.
  • Milling: Use high-speed steel (HSS) or carbide tools. Ensure proper cooling and lubrication to manage heat buildup.
  • Turning: Similar to milling, with attention to cutting speeds and tool materials to prevent work hardening.
  1. Welding
  • TIG (Tungsten Inert Gas) Welding: Preferred for its precision and ability to produce clean, high-quality welds. Use filler rods compatible with grade 310.
  • MIG (Metal Inert Gas) Welding: Can be used for larger welds or where speed is a factor. Ensure proper shielding gas and filler materials.
  • Resistance Welding: Suitable for certain applications where fast, high-volume welding is required.
  1. Bending and Forming
  • Press Brake Bending: Effective for creating precise angles and bends. Proper tooling and die selection are crucial to prevent cracking.
  • Roll Forming: Suitable for creating long, continuous curves or shapes.
  1. Heat Treatment
  • Annealing: Helps to relieve stresses and enhance ductility. Stainless steel 310 should be annealed at temperatures between 1040°C to 1150°C (1900°F to 2100°F).
  • Solution Treatment: Involves heating the material to a high temperature and then rapidly cooling to achieve optimal mechanical properties.
  1. Surface Finishing
  • Grinding and Polishing: To achieve a smooth finish or specific surface texture. Use appropriate abrasives and polishing compounds for stainless steel.
  • Passivation: Enhances corrosion resistance by removing free iron and other contaminants from the surface.
  1. Drilling and Tapping
  • Drilling: Use carbide drills and ensure proper cooling to prevent work hardening.
  • Tapping: Utilize taps designed for stainless steel and ensure lubrication to ease the tapping process.
  1. Assembly and Joining
  • Bolting: Common for assemblies where disassembly may be needed. Ensure bolts and fasteners are compatible with stainless steel.
  • Adhesive Bonding: For applications where welding or mechanical fastening is not feasible.
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