X6CrNiMoNb17-12-2 1.4580 - EN 10028-7-2016

Grade	X6CrNiMoNb17-12-2
European Standard Steel Grade	1.4580
Corresponding Standard	EN 10028-7-2016 Flat Products Made of Steels for Pressure Purposes - Part 7: Stainless Steels
Classification	Austenitic Stainless Steel

X6CrNiMoNb17-12-2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	More
Minimum Value	-	-	-	-	-	16.5	10.5	2	Nb:10C~1
Maximum Value	0.08	1	2	0.045	0.015	18.5	13.5	2.5	Nb:10C~1

X6CrNiMoNb17-12-2 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
P：T ≤ 75	+AT	520~720	tr© Rp0.2：≥220 Rp1.0：≥260	T＜3mm, A80① long.+tr. :≥40； T≥3mm, A② long.+tr. :≥40 ©	20°C long.: ≥100 tr.: ≥60

• C=cold rolled strip；H=hot rolled strip；P=hot rolled plate
• +A=Annealed；+AT=Solution annealed
• B=width；T=thick

Approximate Comparison Table Austenitic Stainless Steel

China	United States		International Organization for Standardization		European Standard
ISC	ASTM	UNS	ISO	Numerical Grade	EN	Numerical Grade
S31678	316Nb (316Cb)	S31640	X6CrNiMoNb17-12-2	4580-316-40-I	X6CrNiMoNb17-12-2	1.4580

X6CrNiMoNb17-12-2 Corresponding Standards(Same grade name, different standards)

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