CC50 Stainless Steel Properties, Composition & Equivalent

CC50 ASTM A743 / A744           Grade(UNS): J92615          Alloy Family: Ferritic Stainless Steel         Equivalent: 446 stainless steel

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What is CC50 Stainless Steel ?

CC50 is a kind of ferritic stainless steel with high temperature resistance and strong corrosion resistance. It does not produce scale under 1082 ℃ and is often used in combustion chamber.

This stainless steel is often referred to as super ferritic stainless steel.

After heat treatment, this steel maximum hardness can reach HRC 58. Due to its high temperature resistance, the steel is widely used in blade, bracket, brake disc, large public building materials and other fields.

CC50 ASTM A743 /A743M 

CC50 chemical composition

C Mn Si P S Cr Ni
Max 0.50 1.00 1.50 0.04 0.04 30.0 4.0
Min 26.0

Heat treatment

Heat to 1950°F [1065°C] minimum, hold for sufficient time to heat casting to temperature, quench in water or rapid cool by other means

Mechanical Properties

GradeCC50
Reduction of Area, min / %
Yield Strength, minKsi – 42, MPa – 290
Tensile Strength, minKsi – 85, MPa – 585
Elongation[50mm], min / %30 %

Features

  • High corrosion resistance;
  • Climate resistance;
  • High strength;
  • Magnetism;
  • It cannot be hardened by heat treatment.

Applications

  • Blade

  • High temperature support

  • Brake disc

  • Large building materials

CC50 Equivalent

446 stainless steel

446 stainless steel is a super ferritic stainless steel

446 stainless steel has good corrosion resistance. Compared with 445 stainless steel, it has high Cr content and low C content. Adding Mo can ensure better corrosion resistance. Its disadvantage is that it cannot be hardened by heat treatment. Its welded pipe has been widely used in condenser.

Physical Properties

density (g/cm3)magneticspecific heat 250C (J/kg.0C)Thermal conductivity 1000C(W/m.

Expansion rate 20~1000C (10-6/0C)

7.75yes50018.411.0

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