Performance and material analysis of 16Mo3 steel plate

1. 16Mo3 steel plate mechanical properties
The mechanical properties and process performance of 16Mo3 plate should meet the requirements of the following table:
16Mo3 plate mechanical performance requirements (applicable to horizontal)

Grade	Specification	Yield strength（MPa）	Tensile strength（MPa）	Elongation A(％)	20°C impact test temperature and impact power
16Mo3	≤16	≥275	440-590	≥22	≥31
	16-40	≥270	440-590
	41-60	≥260	440-590
	61-100	≥240	430-580
	101-150	≥220	420-570
	151-250	≥210	410-570

2. The 16Mo3 material is an alloy quality steel with high temperature performance. The implementation standard: EN10028-2, the material number: 1.5415. 16Mo3 material is used to manufacture industrial boilers and weldable in stainless steel pressure vessels in the petroleum, natural gas and chemical industries.

3. 16Mo3 steel plate chemical composition:
The chemical composition (melting analysis) of 16Mo3 steel should meet the requirements (%) in the following table.

C	Si	Mn	P	S	Al	N
0.12-0.2	≤0.35	0.4-0.9	≤0.025	≤0.01		≤0.012
Cr	Cu	Mo	Nb	Ni	Ti	V
≤0.3	≤0.3	0.25-0.35	≤0.04	≤0.3	-	-

4. 16Mo3 steel high temperature performance

Grade	Thickness mm	The min. yield strength (Mpa) at the following temperature (℃)
		50℃	100℃	150℃	200℃	250℃	300℃	350℃	400℃	450℃	500℃
16Mo3	≤16	273	264	250	233	213	194	175	159	147	141
	16-40	268	259	245	228	209	190	172	156	145	139
	41-60	258	250	236	220	202	183	165	150	139	134
	61-100	238	230	218	203	186	169	153	139	129	123
	100-150	218	211	200	186	171	155	140	127	118	113
	150-250	208	202	191	178	163	148	134	121	113	108

5. 16Mo3 steel plate is usually heat treated by normalizing.