ASTM F594 Type 321 Nuts, ASTM F594 Type 321 Hex Head Nuts, ASTM F594 Type 321 Hex Nuts, ASTM F594 Type 321 Heavy Hex Nuts Supplier in Mumbai, India.

ASTM F594 specifies the chemical and mechanical parameters of stainless steel nuts for use with ASTM F593 fasteners, with diameters ranging from 1/4 to 1-1/2 inches, inclusive. These nuts come in seven different alloy groups and are designed to be used in a variety of applications. Here is a list of the most prevalent grades in the ASTM F594 standard. Because they're less common, a few more ASTM F594 grades aren't listed here. The mechanical table is confined to the most common alloy groups 1 and 2, while the chemical table is limited to the most common alloy grades used for each alloy group.

Chemical Composition

Alloy Group	UNS Designation	Alloy	C	Mn	P	S	Si	Cr	Ni	Cu	Mo	Others
ASTM F594 Alloy Group 3	S32100	321	0.08	2.00	0.045	0.030	1.00	17.0 to 19.0	9.0 to 12.0	. . .	. . .	Ti   5× C min