超高强高韧化钢的研究进展和展望

罗海文,沈国慧

Progress and Perspective of Ultra-High Strength Steels Having High Toughness

Haiwen LUO,Guohui SHEN

表2 主要低合金超高强韧钢的力学性能^{[11,14,30,32,36,37,38,39,40]}

Table 2 Mechanical properties of typical low alloyed ultra-high strength steels^{[11,14,30,32,36,37,38,39,40]}

Steel	YS / MPa	UTS / MPa	EL / %	Hardness / HB	A_k (20 ℃) / J	Ref.
HY130-1	896	970	23	-	-	[11]
4340	1627	1792	8.6	536	-	[14]
4140	1025	1100	11	320	40	[30]
4130	880	980	-	-	16	[32]
300M	1705	1930	10	595	20	[36]
30CrMnSiNi2A	1400	1720	10	-	75	[37]
45CrNiMo1VA	1780	2000	8	543	31	[38]
35Si2Mn2MoVA	1550	1850	11	-	55	[39]
406	1700	2000	11	-	50	[40]