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10 典型压裂泵液力端用钢的化学成分及性能^{[102,103,104,105]}

Table 10 Compositions and properties of the fracturing pump fluid end steels^{[102,103,104,105]}

Steel	Composition (mass fraction / %)								YS MPa	UTS MPa	EL %	Hardness HB	A_k (20 ℃) J	Ref.
Steel	C	Mn	Si	Cr	Ni	Mo	V	Fe	YS MPa	UTS MPa	EL %	Hardness HB	A_k (20 ℃) J	Ref.
4330V	0.30	0.8	0.2	0.9	1.8	0.45	0.1	Bal.	1100	1180	16	360	70	[102,103]
42CrMo	0.43	0.8	0.3	1.2	-	0.22	-	Bal.	1045	1145	-	-	69	[104]
43CrNi2MoV	0.43	-	0.3	1.0	1.6	0.33	0.13	Bal.	972	1070	16.5	311~336	79	[105]