10CrMo9-10 1.7380 - EN 10216-2-2024

Grade	10CrMo9-10
European Standard Steel Grade	1.7380
Corresponding Standard	EN 10216-2-2024 Seamless Steel Tubes for Pressure Purposes - Technical Delivery Conditions - Part 2: Non-Alloy and Alloy Steel Tubes with Specified Elevated Temperature Properties
Classification	Alloy Steel

10CrMo9-10 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Al
Minimum Value	0.08	-	0.3	-	-	2	-	-	0.9	-
Maximum Value	0.14	0.5	0.7	0.02	0.01	2.5	0.3	0.3	1.1	0.04

10CrMo9-10 Mechanical Properties

wall thickness T mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
T≤16	480~630	ReH ≥280	l: ≥22；t: ≥20	20°C: l: ≥40；t: ≥27
16＜T≤40	480~630	ReH ≥280	l: ≥22；t: ≥20	20°C: l: ≥40；t: ≥27
40＜T≤60	480~630	ReH ≥270	l: ≥22；t: ≥20	20°C: l: ≥40；t: ≥27

• l = longitudinal; t = transverse.

1 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

2 Approximate Comparison Table Structural Alloy Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
12CrMo	SCMV4	A387Gr.22 Gr.P22	F34 P34 TS34	10CrMo9-10	10CD9-10 12CD9-10	10CrMo9-10	1.7380	10KH2M	2218	622 622Gr.31

3 Approximate Comparison Table Seamless Steel Tubes and Pipes for High Pressure Boiler

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

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