MT 321 - ASTM A554-2016

Grade	MT 321
Corresponding Standard	ASTM A554-2016 Welded Stainless Steel Mechanical Tubing
Classification	Austenitic Stainless Steel

MT 321 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	-	-	-	-	-	17	9	Ti：5C~0.60
Maximum Value	0.08	1	2	0.045	0.03	20	13	Ti：5C~0.60

MT 321 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Annealing	≥517	≥207	≥35	≤192

MT321 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"!