429 S42900 - ASTM A240/A240M-2020

Grade	429
USA UNS	S42900
Corresponding Standard	ASTM A240/A240M-2020 Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and General Applications
Classification	Ferritic Stainless Steel
Properties	Corrosion Resistance

429 Chemical Element Composition Content (%)

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

429 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥450	≥205	≥22	≤183

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

429 Corresponding Standards(Same grade name, different standards)

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