12CrMo 9-10 - ISO 9328-2-2018

Grade	12CrMo 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

12CrMo 9-10 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Al
Minimum Value	0.1	-	0.3	-	-	2	-	-	0.9	-	0.01
Maximum Value	0.15	0.3	0.8	0.015	0.01	2.5	0.3	0.25	1.1	0.012	0.04

12CrMo 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
Normalizing and tempering or quenching and tempering (+NT or +QT)	540~690	≥355	≥18	（-20℃） ≥27

1 Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
12CrMo 9-10	12CrMo 9-10	1.7375

2 Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	United States	International Organization for Standardization	European Standard
GB	ASTM	ISO	EN
12Cr2Mo1R GB/T 713.2-2023	SA387 Gr.22 ASME Ⅱ-2-2021	12CrMo9-10 ISO 9328-2018	12CrMo9-10 EN 10028-2017

12CrMo9-10 Corresponding Standards(Same grade name, different standards)

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