13CrMo4-5 1.7335 - EN 10028-2-2017

Grade	13CrMo4-5
European Standard Steel Grade	1.7335
Corresponding Standard	EN 10028-2-2017 Flat products made of steels for pressure purposes — Part 2: Non-alloy and alloy steels with specified elevated temperature properties
Classification	Alloy Steel

13CrMo4-5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^⑥	Cu ^⑤	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

13CrMo4-5 Mechanical Properties

thickness t mm	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	* ≥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 (+NT) or Quenching and Tempering (+QT)	430~580	≥255	≥19	≥27
150＜t≤250	Quenching and Tempering (+QT)	420~570	≥245	≥19	≥27

1 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

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	SFVAF12	A387Gr.12 Gr.P12	F32 P32	13CrMo4-4	15CD2.05 15CD4-05 15CD4-5	13CrMo4-5	1.7335	12KHM 15KHM	2216	620 620-440 620Gr.27

3 Approximate Comparison Table Seamless steel tubes and pipes for high pressure boiler

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

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