85Cr18Mo2V - GB /T 12773-2021 - H2ABC

中文版

Grade	85Cr18Mo2V
Corresponding Standard	GB /T 12773-2021 Valve Steel and Superalloy Bars for Internal Combustion Engines
Classification	Martensitic Stainless Steel

85Cr18Mo2V Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.8	-	-	-	-	16.5	-	-	2	0.3
Maximum Value	0.9	1	1.5	0.04	0.03	18.5	0.5	0.3	2.5	0.6

85Cr18Mo2V 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	1050~1080°C Oil cooling + 700~820°C Air cooling	≥1000	Rp0.2: ≥800	≥7	≥12	290~325
Bar or Coil	Room Temperature	Annealed					≤300
sample		Quenching + Tempering	High Temperature Short-Term Tensile Strength 550	High temperature short-term yield strength 500
sample		Quenching + Tempering	High Temperature Short-Term Tensile Strength 400	High-temperature short-term yield strength 370
sample		Quenching + Tempering	High Temperature Short-Term Tensile Strength 300	High-temperature short-term yield strength 280
sample		Quenching + Tempering	High temperature short-term tensile strength 230	High temperature short-term yield strength 170
sample		Quenching + Tempering	High-temperature short-term tensile strength 180	High-temperature short-term yield strength 120
sample		Quenching + Tempering	High-temperature short-term tensile strength (140)	High-temperature short-term yield strength (80)

Approximate Comparison Table Martensitic Heat-Resistant Steel

China	International Organization for Standardization	European Standard
GB	ISO	EN	Numerical Grade
85Cr18Mo2V	X85CrMoV 18-2	X85CrMoV 18-2	1.4748

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!