13 CrMo 4-5 - ISO 9329-2-1997

Grade	13 CrMo 4-5
Corresponding Standard	ISO 9329-2-1997 Unalloyed and Alloyed Steels with Specified Elevated Temperature Properties
Classification	Alloy Steel

13 CrMo 4-5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu ^①	Mo	Al
Minimum Value	0.1	0.15	0.4	-	-	0.7	-	0.45	-
Maximum Value	0.17	0.35	0.7	0.035	0.035	1.1	0.25	0.65	0.02

13 CrMo 4-5 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≤40	Normalizing + Tempering	440~590	≥290	Longitudinal ≥22, Transverse ≥20	t＞30 Transverse 27, Longitudinal 35
40＜t≤60	Normalizing + Tempering	440~590	≥280	Longitudinal ≥22, Transverse ≥20	Transverse 27, Longitudinal 35

Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	United States	International Organization for Standardization	European Standard		Russia
GB	ASTM	ISO	EN	Numerical Grade	GOST
15CrMoR GB/T 713.2-2023	SA387 Gr.12 ASME Ⅱ-A-2021	13CrMo4-5 ISO 9328-2018	13CrMo4-5 EN 10028-2017	1.7335	12ХМ

13CrMo4-5 Corresponding Standards(Same grade name, different standards)

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