310 Stainless Steel (1.4845) offers exceptional oxidation resistance to 2000°F and cryogenic toughness to -450°F. Ideal for furnace parts & cryogenic applications. ZYTC Alloy supplies sheet, plate, bar.
Delivery :
FOB
minimum order :
50 kilograms
Supply Ability :
5000kilograms / Month
Stock Time :
7-10Day
Country of Origin :
CHINA
Quantity :
add to cart
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310 stainless steel is a premium austenitic alloy with high chromium (24-26%) and nickel (19-22%) content, specifically engineered for exceptional oxidation resistance up to 1093°C (2000°F). It retains significant room-temperature strength at elevated temperatures while also maintaining excellent toughness down to cryogenic conditions (-268°C / -450°F). This dual-range capability makes it the preferred material for furnace components, heat exchangers, and cryogenic equipment requiring reliability across extreme temperature spans .
1. Product Specifications & Physical Data
ZYTC Alloy supplies 310/310S stainless steel in comprehensive mill forms for high-temperature and cryogenic applications requiring verified properties.
Available Forms: Sheet, strip, plate, wire, forging stock, tube, rod, and round bar .
Specifications: ASTM A240, ASTM A276, ASTM A312, EN 10088-2 1.4845, UNS S31000 .
Chemical Composition (Weight %)
310 Stainless Specification
Chromium (Cr)
24.0 - 26.0
Nickel (Ni)
19.0 - 22.0
Carbon (C)
0.08 max.
Manganese (Mn)
2.0 max.
Silicon (Si)
1.0 max.
Phosphorus (P)
0.040 max.
Sulfur (S)
0.030 max.
Molybdenum (Mo)
0.75 max.
Copper (Cu)
0.75 max.
Iron (Fe)
Balance
Physical Properties
Metric
Imperial
Density
7.9 - 8.0 g/cm³
0.285 - 0.289 lb/in³
Melting Point
1400 - 1450°C
2550 - 2640°F
Modulus of Elasticity
200 GPa
29,000 ksi
Thermal Conductivity (RT)
14.2 W/m·K
98.5 BTU·in/hr·ft²·°F
Coefficient of Expansion (20-100°C)
14.4 µm/m·°C
8.0 µin/in·°F
Mechanical Properties (Minimum)
Value
Unit
Tensile Strength
515 MPa
75 ksi
Yield Strength (0.2% offset)
205 MPa
30 ksi
Elongation (in 50mm)
40%
40%
Hardness (Brinell)
217 max.
217 max.
2. Operating Conditions & Selection Criteria
310 stainless steel is specified when designers require an alloy capable of performing reliably across extreme temperature ranges, from cryogenic to 1093°C.
Service Temperature Range: Continuous service up to 1093°C (2000°F); excellent oxidation resistance through this range. Also suitable for cryogenic service down to -268°C (-450°F) with retained toughness .
High-Temperature Performance: High chromium content provides superior scaling resistance; retains significant room-temperature strength at elevated temperatures .
Cryogenic Properties: Maintains excellent toughness and low magnetic permeability at cryogenic temperatures .
Corrosion Resistance: Good resistance to a wide range of corrosive media; outperforms 304 in many high-temperature environments .
Low Magnetic Permeability: Suitable for applications requiring non-magnetic properties at cryogenic temperatures .
Weldability: Good weldability using standard fusion and resistance methods; 310S (low carbon) recommended for heavy welded sections .
3. Fabrication & Material Comparison
Heat Treatment: Solution anneal at 1038-1150°C (1900-2100°F), rapid cool (water quench or accelerated air cool); cannot be hardened by heat treatment .
Hot Working: Forge at 927-1177°C (1700-2150°F); avoid working below 927°C to prevent cracking .
Cold Working: Work-hardening rate moderate; intermediate annealing may be required for severe forming operations .
Machining: Similar to 304 but with higher cutting forces due to nickel content; requires sharp tools, positive feeds, and adequate coolant .
Welding: Good weldability using TIG, MIG, and resistance methods; 310 filler recommended; 310S (low carbon) preferred for heavy sections to prevent sensitization .
Material Comparison:
vs. 309 Stainless: Higher chromium (25% vs. 23%) and nickel (20% vs. 14%) provide superior high-temperature strength and oxidation resistance .
vs. 310S (1.4845): Identical composition but with controlled carbon (0.08% max) for improved weldability; 310S is the low-carbon version of 310 .
vs. 314 Stainless: Similar high-temperature capability; 314 has higher silicon (1.5-2.5%) for enhanced oxidation resistance .
Contact ZYTC Alloy for certified 310 stainless steel materials with complete traceability, ASTM/EN specifications, technical datasheets, and competitive pricing on standard sizes or custom-fabricated components.
