29-4 - ASTM A511/A511M-2020

Grade	29-4
Corresponding Standard	ASTM A511/A511M-2020 Seamless Stainless Steel Mechanical Tubing and Hollow Bar
Classification	Ferritic Stainless Steel

29-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	28	-	-	3.5	-
Maximum Value	0.01	0.2	0.3	0.025	0.02	30	0.15	0.15	4.2	0.02

29-4 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Annealing	≥485	≥380	≥20	≤207

29-4 Corresponding Standards(Same grade name, different standards)

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