AISI 446 (1.4762, UNS S44600) is a stainless steel with excellent resistance to oxidation, sulfidation and other forms of hot corrosion. AISI 446 (1.4762, UNS S44600) is a heat resistant alloy with high chromium content.

Although AISI 446 (1.4762, UNS S44600) has high temperature resistance, it is generally used between 1500 – 2100 ° F. AISI 446 (1.4762, UNS S44600) is the only heat resistant alloy that can tolerate molten copper and rice.

The AISI 446 (1.4762, UNS S44600) also exhibits severe friability in the 700-1000 ° F temperature range (885 ° F brittle), as in other high chromium ferritic stainless steels.

AISI 446 (1.4762, UNS S44600) is known as stainless steel, high alloy steel. AISI 446 (1.4762, UNS S44600) has excellent corrosion resistance compared to other steels because it contains more chromium.

AISI 446 (1.4762, UNS S44600) grade stainless steel is ferritic stainless steel which provides good resistance to oxidation and corrosion at high temperature.

 

AISI 446 (1.4762, UNS S44600) CHEMICAL COMPOSITION

The chemical composition of AISI 446 grade stainless steel is summarized in the table below.

 

Element	(%)
Fe	73
Cr	23.0 – 27.0
Mn	1.50
Si	1.0
Ni	0.25
C	0.20
P	0.040
S	0.030

 

AISI 446 (1.4762, UNS S44600) PHYSICAL PROPERTIES

The following table shows the physical properties of AISI 446 stainless steel.

Density : 7,80 g/cm³

 

AISI 446 (1.4762, UNS S44600) STANDARD

• AISI 446
• ASTM A176
• ASTM A268
• ASTM A276
• ASTM A314
• ASTM A473
• ASTM A511
• ASTM A815
• DIN 1.4762
• QQ S763
• QQ S766
• ASME SA268
• ASTM A580
• FED QQ-S-763
• FED QQ-S-766
• MIL SPEC MIL-S-862
• SAE J405 (51446)

 

AISI 446 (1.4762, UNS S44600) FUNCTIONALITY

Machinability of stainless steel AISI 446 (1.4762, UNS S44600) is possible at slow speeds with positive feed, rigid holders and sharp tool tool surfaces.

 

AISI 446 (1.4762, UNS S44600) WELDING

AISI 446 (1.4762, UNS S44600) grade stainless steel can be easily welded using most of the conventional methods, except for the oxyacetylene source. The welding material of type 308 may be used if necessary, but does not show a uniform resistance to the base metal. The differences in the coefficient of thermal expansion of the base and the weld metal must be taken into account.

 

AISI 446 (1.4762, UNS S44600) FORGING

For AISI 446 quality stainless steel forging operation should be done according to required parameters.

 

AISI 446 (1.4762, UNS S44600) HOT WORK

The hot work of AISI 446 stainless steel must be made according to the required parameters.

 

AISI 446 (1.4762, UNS S44600) COLD WORKING

AISI 446 grade stainless steel is more difficult to work in cold than other stainless steels due to its high level of chromium content.

 

AISI 446 (1.4762, UNS S44600)

Annealing of stainless steel AISI 446 should be done according to the required parameters.

 

AISI 446 (1.4762, UNS S44600) APPLICATIONS

AISI 446 quality stainless steel can be used in the following products:

• X-ray tube bases
• Boiler darkness
• Oil burner components
• Annealing boxes
• Industrial silencers
• Oven coatings
• Glass molds
• Oven parts

 

AISI 446 (1.4762, UNS S44600) SHAPES SUPPLIED

• Rod AISI 446 (1.4762, UNS S44600)
• AISI 446 (1.4762, UNS S44600) plate
• AISI 446 (1.4762, UNS S44600) sheet
• AISI 446 (1.4762, UNS S44600) shaft
• AISI 446 (1.4762, UNS S44600) pipe
• Wire in AISI 446 (1.4762, UNS S44600)
• Welding wire from AISI 446 (1.4762, UNS S44600)