Alloy Grade UNS: CF16Fa Tough and Ductile Austenitic

  • Overview

    CF16Fa, also known as 302B, is an austenitic stainless steel prized for its exceptional toughness and ductility. This alloy, composed of up to 12% nickel and 21% chromium, exhibits the good strength and ductility characteristic of austenitic stainless steels, making it suitable for applications requiring formability and resistance to cracking. Its high toughness allows it to absorb significant impact energy without fracturing, making it a reliable choice for applications where shock and vibration resistance are important. CF16Fa also offers good weldability and excellent machinability, providing flexibility in manufacturing processes and facilitating the production of intricate components.

  • Typical Uses

    Food and beverage, cryogenic, and applications where sanitation is a concern.

  • MetalTek Designation

    MTEK 302B

  • Poured At:

    Carondelet Division, Sandusky International Division, Wisconsin Centrifugal Division, Wisconsin Investcast Division

Similar Specifications

Cast ASTM: A743

Typical Chemical Composition (% by wt.)

Aluminum: n/a

Carbon: 0.16

Chromium: 18-21

Manganese: 1.50

Iron: n/a

Copper: n/a

Nickel: 9-12

Lead: n/a

Tin: n/a

Silicon: 2.00

Zinc: n/a

Other: S 0.20-0.40, Mo 0.40-0.80

Minimum Mechanical Properties

Tensile, ksi

0

Tensile, MPa

0

Calculated PREn (Minimum)

0

Yield, ksi

0

Yield, MPa

0

Elongation

0%

Heat Treatment: Solution Annealed

Frequently Asked Questions

Austenitic steel is a non-magnetic stainless steel alloy with high chromium and nickel content. It provides excellent corrosion resistance, formability, and weldability, making it ideal for industrial and food-grade applications.

Common applications include food processing equipment, pump and valve components, chemical processing equipment, and heat exchangers due to its excellent corrosion resistance.

Super austenitic steels contain higher levels of molybdenum, nickel, and nitrogen than standard austenitic steels, enhancing their resistance to pitting, crevice corrosion, and stress corrosion cracking in harsh environments.

Benefits include superior corrosion resistance, high ductility, excellent weldability, and good performance at both cryogenic and elevated temperatures.

Austenitic stainless steel is corrosion-resistant and non-magnetic, while martensitic stainless steel is magnetic, harder, and better suited for wear-resistant and high-strength applications.

In its annealed state, austenitic stainless steel is non-magnetic. However, it may exhibit slight magnetism after cold working due to partial transformation into martensite.

Common austenitic grades include 304, 309, 310 and 316 stainless steels. These are widely used across industries for their excellent corrosion resistance and mechanical properties.

Austenitic steel offers better corrosion resistance and ductility than ferritic steel, which is magnetic, has lower chromium content, and is more cost-effective but less weldable.