10CrMo 9-10 - ISO 9328-2-2018

Grade	10CrMo 9-10
Corresponding Standard	ISO 9328-2-2018 Steel Flat Products for Pressure Purposes - Non-alloy and Alloy Steels with Specified Elevated Temperature Properties
Classification	Alloy Steel

10CrMo 9-10 Chemical Element Composition Content (%)

Component	C ^①	Si	Mn	P	S	Cr	Cu	Mo	N
Minimum Value	0.08	-	0.4	-	-	2	-	0.9	-
Maximum Value	0.14	0.5	0.8	0.02	0.01	2.5	0.3	1.1	0.012

10CrMo 9-10 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤16	Normalizing and Tempering (+NT)	480~630	≥310	≥18	（+20℃） ≥31
16＜t≤40	Normalizing and Tempering (+NT)	480~630	≥300	≥18	≥31
40＜t≤60	Normalizing and Tempering (+NT)	480~630	≥290	≥18	≥31
60＜t≤100	Normalizing and Tempering or Quenching and Tempering (+NT or QT)	470~620	≥280	≥17	≥27
100＜t≤150	Quenching and Tempering (+QT)	460~610	≥260	≥17	≥27
150＜t≤250	Quenching and Tempering (+QT)	450~600	≥250	≥17	≥27

Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
10CrMo 9-10	10CrMo 9-10	1.7380

10CrMo9-10 Corresponding Standards(Same grade name, different standards)

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