15Mo3 1.5415 - DIN 17175-1979

Grade	15Mo3
Germany W-Nr.	1.5415
Corresponding Standard	DIN 17175-1979 Seamless Steel Tubes for Elevated Temperatures; Technical Terms of Delivery
Classification	Alloy Steel

15Mo3 Chemical Element Composition Content (%)

Component	C ^①	Si	Mn	P	S	Mo
Minimum Value	0.12	0.1	0.4	-	-	0.25
Maximum Value	0.2	0.35	0.8	0.035	0.035	0.35

15Mo3 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	450~600	≥270ⓐ※	L0=5d0 Longitudinal: ≥22 Transverse: ≥20	DVM Sample Transverse: ≥34ⓑ
16＜t≤40	450~600	≥270ⓐ	L0=5d0 Longitudinal: ≥22 Transverse: ≥20	DVM Sample Transverse: ≥34ⓑ
40＜t≤60	450~600	≥260*	L0=5d0 Longitudinal: ≥22 Transverse: ≥20	DVM Sample Transverse: ≥34ⓑ

Approximate Comparison Table Structural Alloy Steel

Japan	United States	International Organization for Standardization	Germany	France	European Standard		Sweden	United Kingdom
JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	SS	BS EN/BS
STBA12	A204Gr.A A204Gr.B	F26 P26 TS26	15Mo3 16Mo3	15D3	16Mo3	1.5415	2912	1503-243B 240 243

15Mo3 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"!