1021 - ASTM A513/A513M-2025

Grade	1021
Corresponding Standard	ASTM A513/A513M-2025 Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
Classification	Carbon Steel

1021 Chemical Element Composition Content (%)

Component	C	Mn	P	S
Minimum Value	0.18	0.6	-	-
Maximum Value	0.23	0.9	0.035	0.035

1021 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
As-Weld Tubing	≥370	≥275	≥12	RB ≥62
Nomalized Tubing	≥345	≥240	≥25	RB ≤78
Sink-Draw Tubing	≥425	≥360	≥7	RB ≥70
Drawn Over a Mandrel	≥495	≥425	≥5	RB ≥80
DOM Stress-Relieved Tubing	≥470	≥400	≥10	RB ≥75

1021 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"!