美国标准低温用合金铸钢与不锈铸钢的力学性能

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钢 号		类型	( e" C" y" s) B* x C	3 R* O* V) P" a. D Si	2 o# @& ]$ P4 h' L Mn	' t) q5 U* U' _ P ≤	S ≤	, S/ g$ k! R- L3 z Cr	7 C, Q' u9 q* n: v$ ^4 t B( b7 F Ni	Mo	9 y# K- G7 b& J" s: V2 Q' T 其他
ASTM	UNS
LCA	J02504	C	≤0.25	≤0.60	≤0.70	0.04	0.045	≤0.50	≤0.50	≤0.20	Cu≤0.30 V≤0.03
LCB	J03003	C	≤0.30	≤0.60	≤1.00	0.04	0.045	≤0.50	≤0.50	≤0.20	Cu≤0.30 V≤0.03
LCC	J02505	C-Mn	≤0.25	≤0.60	≤1.20	0.04	0.045	≤0.50	≤0.50	≤0.20	Cu≤0.30 V≤0.03
LC1	J12522	C-Mo	≤0.25	≤0.60	0.50～0.80	0.04	0.045	—	—	0.45～0.65	—
LC2	J22500	2.5Ni	≤0.25	≤0.60	0.50～0.80	0.04	0.045	—	2.00～3.00	—	—
LC2-1	J42215	Ni-Cr-Mo	≤0.22	≤0.50	0.55～0.75	0.04	0.045	1.35～1.85	2.50～3.50	0.30～0.60	—
LC3	J31550	3.5Ni	≤0.15	≤0.60	0.50～0.80	0.04	0.045	—	3.00～4.00	—	—
LC4	J41500	4.5Ni	≤0.15	≤0.60	0.50～0.80	0.04	0.045	—	4.00～5.00	—	—
LC9	J31300	9Ni	≤0.13	≤0.45	≤0.90	0.04	0.045	≤0.50	8.50～10.0	≤0.20	—
CA6NM	J91540	+ L+ u1 `3 k$ Q6 g! a 12.5Cr-4Ni +Mo	≤0.06	≤1.00	≤1.00	0.04	0.030	11.5～14.0	3.50～4.50	0.40～1.00	—

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