Stainless Steel 310/309
STAINLESS STEEL 310
OVERVIEW
Stainless Steel 310 is a high-temperature, austenitic stainless steel designed for excellent oxidation resistance, scaling resistance, and strength at elevated temperatures.
CHEMICAL COMPOSITION
| Element | Percentage (%) |
| Carbon (C) | 0.25 max |
| Chromium (Cr) | 24 – 26 |
| Nickel (Ni) | 19 – 22 |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 1.5 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Iron (Fe) | Balance |
MECHANICAL PROPERTIES
| Property | Value |
| Tensile Strength | 520 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 40% (min) |
| Hardness (Brinell) | 217 HB max |
| Density | 7.9 g/cm³ |
| Melting Range | 1400 – 1450°C |
PHYSICAL PROPERTIES
| Property | Value |
| Thermal Conductivity | 14.2 W/m·K |
| Electrical Resistivity | 0.78 µΩ·m |
| Modulus of Elasticity | 200 GPa |
| Magnetism | Non-magnetic (slightly magnetic after cold work) |
APPLICATIONS
SS 310 is ideal for high-temperature industrial use:
-
Furnace parts & furnace muffles
-
Heat exchangers
-
Kiln linings & burners
-
Thermal processing equipment
-
Oil refinery components
-
Power plant boilers
-
Annealing covers
-
Cryogenic structures
-
Exhaust systems
-
Chemical processing equipment
EQUIVALENT GRADES
| Standard | Grade |
| AISI / ASTM | 310 |
| EN | 1.4841 |
| JIS | SUS 310 |
| DIN | X15CrNi25-20 |
| IS | 310 |
310 Round Bars 310 Fine Wire
310 Hex Bars 310 Core Wire
310 Flat Bars 310 Cold Heading Wire
310 Square Bars 310 General Application Wire
310 Angle Bars 310 TIG Wire
310 MIG Wire
Your perfect stainless steel solution is here—choose how you want to continue.
BUY ONLINE GET A QUOTE OR CALL BACK
STAINLESS STEEL 309
OVERVIEW
Stainless Steel 309 is a high-temperature, austenitic stainless steel grade designed for excellent oxidation resistance, heat resistance, and scaling resistance.
CHEMICAL COMPOSITION
| Element | Percentage (%) |
| Carbon (C) | 0.20 max |
| Chromium (Cr) | 22 – 24 |
| Nickel (Ni) | 12 – 15 |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 1.0 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Iron (Fe) | Balance |
MECHANICAL PROPERTIES
| Property | Value |
| Tensile Strength | 550 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 40% (min) |
| Hardness (Brinell) | 217 HB max |
| Density | 7.9 g/cm³ |
| Melting Range | 1398 – 1454°C |
PHYSICAL PROPERTIES
| Property | Value |
| Thermal Conductivity | 14.2 W/m·K |
| Electrical Resistivity | 0.74 µΩ·m |
| Modulus of Elasticity | 190–200 GPa |
| Magnetism | Non-magnetic (may become slightly magnetic after cold working) |
APPLICATIONS
SS 309 is used in high-temperature and industrial applications such as:
-
Furnace parts & furnace linings
-
Heat exchangers & reheating equipment
-
Kiln components
-
Burner nozzles
-
Industrial ovens
-
Exhaust systems
-
Petrochemical processing equipment
-
Thermal processing plants
-
Annealing covers
-
Boiler baffles
EQUIVALENT GRADES
| Standard | Grade |
| AISI / ASTM | 309 |
| EN | 1.4828 |
| JIS | SUS 309 |
| DIN | X15CrNi23-13 |
| IS | 309 |