A194 Grade 3 S50100 - ASTM A194/A194M-2023

Grade	A194 Grade 3
USA UNS	S50100
AISI American Iron and Steel Institute	501
Corresponding Standard	ASTM A194/A194M-2023 Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
Classification	Alloy Steel
Properties	Corrosion Resistance

A194 Grade 3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.1	-	-	-	-	4	0.4
Maximum Value	-	1	1	0.04	0.03	6	0.65

A194 Grade 3 Mechanical Properties

product	Heat Treatment or Condition	Hardness HBW
Finished Nuts	Heat Treatment	248~327HBW 24~35HRC
Sample nut	Heat Treatment	≥201HBW ≥94HRB

Approximate Comparison Table Structural Alloy Steel

A194Grade3 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!