ALLOY 253MA (1.4835, UNS S30815, SS 2368) is an austenitic chromium nickel alloy. Suitable for high temperature applications up to 1150 ° C. It exhibits high oxidation resistance and very good structural stability.

The high creep strength of 253 MA makes the 253MA a very suitable material for its excellent oxidation resistance and good resistance to carburizing, which requires resistance to oxidation and carburizing.

ALLOY 253MA (1.4835, UNS S30815, SS 2368) GENERAL SPECIFICATIONS

• High creep resistance
• Very high oxidation resistance
• Good structural stability at high temperatures
• Good welding ability
• Operating temperature up to 1150 ° C

ALLOY 253MA (1.4835, UNS S30815, SS 2368) USAGE AREAS

• Pipes in waste heat recovery systems in the metallurgical industry,
• Tubes in heat treatment furnaces,
• Radiation tubes, thermocouple protection tubes, burner components, oven cylinders
• Tubes for powdered coal injection in blast furnaces
• Pipes for fluid bed combustion plants
• Furnace tubes for sludge incineration plants
• Gas cylinders for carbon black
• Tubes for glass and cement industry
• Styrene reactor tubes
• EDC cracking pipes
• Convection tubes in ethylene cracking
• Air pre-heater tubes in sulfuric acid gas converters

ALLOY 253MA (1.4835, UNS S30815, SS 2368) CHEMICAL COMPOSITION

• Carbon: 0.08
• Silicon: 1,6
• Manganese: 0.8
• Phosphorus: 0.040
• Sulfur: 0,030
• Chrome: 21
• Nickel: 11
• Nitrogen: 0,17

ALLOY 253MA (1.4835, UNS S30815, SS 2368) PHYSICAL PROPERTIES

Density: 7,8 g / cm³

Magnetic permeability: 1.003

Thermal conductivity: 13 W / m ° C (at 20 ° C)

Electrical resistance: 0.84 µΩm (at 20 ° C)

ALLOY 253MA (1.4835, UNS S30815, SS 2368) SHAPES SUPPLIED

• ALLOY 253MA (1.4835, UNS S30815, SS 2368) Plate
• Sheet metal ALLOY 253MA (1.4835, UNS S30815, SS 2368)
• ALLOY 253MA (1.4835, UNS S30815, SS 2368) Pipe
• ALLOY 253MA (1.4835, UNS S30815, SS 2368) Rod / Shaft
• Wire ALLOY 253MA (1.4835, UNS S30815, SS 2368)
• Welding Wire of ALLOY 253MA (1.4835, UNS S30815, SS 2368)

ALLOY 253MA (1.4835, UNS S30815, SS 2368) STANDARDS

• UNS: S30815
• EN Number: 1.4835
• Nr .: (1.4893) * / (1.4828 mod.) *
• SS: 2368 *
• ASTM A213, A312
• EN 10297-2
• SS 14 23 68 *