Ni30 - GB /T 12773-2021 - H2ABC

中文版

Grade	Ni30
Corresponding Standard	GB /T 12773-2021 Valve Steel and Superalloy Bars for Internal Combustion Engines
Classification	Nickel and Nickel Alloys

Ni30 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	Nb	B	Al	More
Minimum Value	-	-	-	-	-	13.5	29.5	-	0.4	2.3	0.4	-	1.6	Fe:Remainder
Maximum Value	0.08	0.5	0.5	0.015	0.015	15.5	33.5	0.2	1	2.9	0.9	0.01	2.2	Fe:Remainder

Ni30 Mechanical Properties

condition	Test Temperature	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Sample d=25	Room Temperature	900~1100°C Solution treated + 700~800°C×6h Air cooling	≥1000	Rp0.2: ≥600	≥12	≥30	≥28HRC
Bar or Coil	Room Temperature	Solution treated					≤350
sample		Solution treated + Aging	High temperature short-term tensile strength 1030	High temperature short-term yield strength 640
sample		Solution treated + Aging	High temperature short-term tensile strength 1005	High temperature short-term yield strength 640
sample		Solution treated + Aging	High temperature short-term tensile strength 1000	High temperature short-term yield strength 640
sample		Solution treated + Aging	High temperature short-term tensile strength 950	High temperature short-term yield strength 670
sample		Solution treated + Aging	High temperature short-term tensile strength 900	High temperature short-term yield strength 680
sample		Solution treated + Aging	High temperature short-term tensile strength 650	High temperature short-term yield strength 565
sample		Solution treated + Aging	High temperature short-term tensile strength 540	-

Ni30 Corresponding Standards(Same grade name, different standards)

1	DIN 17745-2002
	Ni 30 1.3903
2	GB /T 12773-2021
	Ni30

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