X2CrNiMoN25-7-4 - ISO 9328-7-2018

Grade	X2CrNiMoN25-7-4
Corresponding Standard	ISO 9328-7-2018 Steel Flat Products for Pressure Purposes - Technical Delivery Conditions - Stainless Steels
Classification	Duplex Stainless Steel

X2CrNiMoN25-7-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	24	6	3	0.24
Maximum Value	0.03	1	2	0.035	0.015	26	8	4.5	0.35

X2CrNiMoN25-7-4 Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤8, w＜300 Cold-rolled steel strip	750~1000	≥535	≥20	≥150
t≤8, w ≥ 300 Cold-rolled steel strip	750~1000	≥550	≥20	≥150
t≤13.5, w＜300 Hot-rolled steel strip	750~1000	≥515	≥20	≥150
t≤13.5, w ≥ 300 Hot-rolled steel strip	750~1000	≥530	≥20	≥150
t≤75, w＜300 hot rolled steel plate	730~930	≥515	≥20	≥150
t ≤ 75, w ≥ 300 hot-rolled steel plate	730~930	≥530	≥20	≥150

1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel

China		Japan	United States		International Organization for Standardization		Germany		European Standard
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	EN	Numerical Grade
022Cr25Ni7Mo4N	S25073	UR 47N+	2507	S32750	X2CrNiMoN25-7-4	4410-327-50-E	X2CrNiMoN25-7-4	1.4410	X2CrNiMoN25-7-4	1.4410

2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel

China		United States		International Organization for Standardization		United Kingdom
GB	ISC	AISI	UNS	ISO	Numerical Grade	BS EN/BS
022Cr25Ni7Mo4N (GB/T 39033)	S25073	2507	S32750 (ASTM A595-16)	X2CrNiMoN25-7-4 (ISO 15510:2014)	4410-327-50-E	X2CrNiMoN25-7-4/1.4410 (BS EN 10088-3:2014)

X2CrNiMoN25-7-4 Corresponding Standards(Same grade name, different standards)

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