X15CrNiSi25-21 4841-314-00-E - ISO 4955-2016

X15CrNiSi25-21 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	N
Minimum Value	-	1.5	-	-	-	24	19	-
Maximum Value	0.2	2.5	2	0.045	0.015	26	22	0.1

X15CrNiSi25-21 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
flat products, 0.5≤t＜3	Solid Solution Annealing (+AT)	550~750	≥230	≥28	≤223
flat products, 3≤t≤75	Solid Solution Annealing (+AT)	550~750	≥230	≥30	≤223
Section steel, 5 ≤ d ≤ 160	Solid Solution Annealing (+AT)	550~750	≥230	≥30	≤223
Bars and Profiles, 1.5≤d≤25	Solid Solution Annealing (+AT)	550~750	≥230	≥30	≤223
Forgings, d≤100	Solid Solution Annealing (+AT)	550~750	≥230	≥30	≤223

Approximate Comparison Table Austenitic Heat-Resistant Steel

China		United States	International Organization for Standardization	Germany		France	European Standard		Russia	United Kingdom
GB	ISC	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
16Cr25Ni20Si2 (1Cr25Ni20Si2)	S38340	S31400	X15CrNiSi 25-21	X15CrNiSi 25-20	1.4841	Z15CNS 25-20	X15CrNiSi 25-21	1.4841	20Х25Н20С2	310S24

X15CrNiSi25-21 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"!