S42900 - ASTM A 473-2024(a)

USA UNS	S42900
ASTM Specification or Grade	429
Corresponding Standard	ASTM A 473-2024(a) Stainless Steel Forgings
Classification	Ferritic Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	-	-	-	-	-	14	-
Maximum Value	0.12	1	1	0.04	0.03	16	0.75

Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
A - annealed	≥450	≥240	≥23	≥45	≤207

1 Approximate Comparison Table Ferritic Stainless Steel

China		Japan	United States	International Organization for Standardization		European Standard
GB	ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
10Cr15 (1Cr15 )	S11510	SUS429	S42900	X10Cr15	4012-429-00-X	(1.4012)

2 Approximate Comparison Table Ferritic Stainless Steel

China		United States		International Organization for Standardization		European Standard
GB	ISC	ASTM	UNS	ISO	Numerical Grade	EN	Numerical Grade
10Cr15 (1Cr15) GB/T 20878-2024	S11510	429 ASTM A959	S42900	X10Cr15 ISO 15510	4012-429-00-X	X10Cr15 EN 10088-1	1.4012

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