A955 Grade 520 S32101 - ASTM A955/A955M-2020(c)

Grade	A955 Grade 520
USA UNS	S32101
Corresponding Standard	ASTM A955/A955M-2020(c) Standard Specification for Deformed and Plain Stainless Steel Bars for Concrete Reinforcement
Classification	Duplex Stainless Steel

A955 Grade 520 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	4	-	-	21	1.35	0.1	0.1	0.2
Maximum Value	0.04	1	6	0.04	0.03	22	1.7	0.8	0.8	0.25

A955 Grade 520 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥690	≥520	≥20

1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel

United States	International Organization for Standardization		European Standard
UNS	ISO	Numerical Grade	EN	Numerical Grade
S32101	X2CrMnNiN21-5-1	4162-321-01-E	X2CrMnNiN21-5-1	1.4162

2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel

China		United States	International Organization for Standardization		United Kingdom
GB	ISC	UNS	ISO	Numerical Grade	BS EN/BS
03Cr21Mn5Ni1MoCuN (GB/T 39033)	S21014	S32101 (ASTM A959-16)	X2CrMnNiN21-5-1 (ISO 15510:2014)	4162-321-01-E	X2CrMnNiN21-5-1/1.4162 (BS EN 10088-3:2014)

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