13CrMo 4-5 - ISO 9328-2-2018

Grade	13CrMo 4-5
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

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

Component	C	Si	Mn	P	S	Cr ^①	Cu	Mo	N
Minimum Value	0.08	-	0.4	-	-	0.7	-	0.4	-
Maximum Value	0.18	0.35	1	0.025	0.01	1.15	0.3	0.6	0.012

13CrMo 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≤16	Normalizing and Tempering (+NT)	450~600	≥300	≥19	（+20℃） ≥31
16＜t≤60	Normalizing and Tempering (+NT)	450~600	≥290	≥19	≥31
60＜t≤100	Normalizing and Tempering (+NT)	440~590	≥270	≥19	≥27
100＜t≤150	Normalizing and tempering or quenching and tempering (+NT or +QT)	430~580	≥255	≥19	≥27
150＜t≤250	Quenching and Tempering (+QT)	420~570	≥245	≥19	≥27

Approximate Comparison Table

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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