05Cr17Ni4Cu4Nb S51740 - NB /T 47010-2017

Grade	05Cr17Ni4Cu4Nb
	S51740
Corresponding Standard	NB /T 47010-2017 Stainless and Heat-Resisting Steel Forgings for Pressure Equipment
Classification	Precipitation-Hardening Stainless Steel

05Cr17Ni4Cu4Nb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Nb
Minimum Value	-	-	-	-	-	15.5	3	3	0.15
Maximum Value	0.07	1	1	0.03	0.015	17.5	5	5	0.45

05Cr17Ni4Cu4Nb Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Hardness HBW
t≤200	S(1020~1060快冷)+Ag(620空冷)	≥930	≥725	≥15	≥277

• Heat treatment status code: A= annealing; S= Solid solution; Ag= Aging; T= tempering

05Cr17Ni4Cu4Nb Corresponding Standards(Same grade name, different standards)

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