61Cr21Mn10Mo1V1Nb1N ResisTEL - GB /T 12773-2021 - H2ABC

中文版

Grade	61Cr21Mn10Mo1V1Nb1N
Other Names
Corresponding Standard	GB /T 12773-2021 Valve steel and superalloy bars for internal combustion engines
Classification	Austenitic Stainless Steel

61Cr21Mn10Mo1V1Nb1N Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	V	Nb
Minimum Value	0.57	-	9.5	-	-	20	-	-	0.75	0.4	0.75	1
Maximum Value	0.65	0.25	11.5	0.05	0.03	22	1.5	0.3	1.25	0.6	1	1.2

61Cr21Mn10Mo1V1Nb1N 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	1100~1200°C Solution treatment + 720~800°C Air cooling	≥1000	Rp0.2: ≥800	≥8	≥10	HRC≥32
Bar or Coil	Room Temperature	Solution treatment					HBW≤385
sample		Solution treatment + Aging	High temperature short-term tensile strength 800	High temperature short-term yield strength 500
sample		Solution treatment + Aging	High temperature short-term tensile strength 780	High temperature short-term yield strength 480
sample		Solution treatment + Aging	High temperature short-term tensile strength 750	High temperature short-term yield strength 450
sample		Solution treatment + Aging	High-temperature short-term tensile strength 680	High temperature short-term yield strength 430
sample		Solution treatment + Aging	High Temperature Short-Term Tensile Strength 600	High-temperature short-term yield strength 400
sample		Solution treatment + Aging	High Temperature Short-Term Tensile Strength 500	High temperature short-term yield strength 380
sample		Solution treatment + Aging	High Temperature Short-Term Tensile Strength 400	High temperature short-term yield strength 350

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