牌号 C
≤ Ni Fe
≤ Si
≤ Mn
≤ S
≤ Cr
≤ Co Cu
≤ Ti Al
400 0.3 63-70 2.5 0.5 2.0 0.024 28-34
K-500 0.10 63 min 2.0 0.5 1.5 0.01 27-33
R-405 0.30 63 min 2.5 0.5 2.0 0.025
-0.06 28-34
600 0.15 72 min 6.0-10.0 0.5 1.0 0.015 14.0-17.0 0.5
601 0.05 61.5 min 14.1 0.2 0.3 - 22.5 5.0 - 1.4
617 0.05-0.15 余量 3.0 0.5 0.5 0.015 20.0-24.0 10-15 Mo:8.0-10.0,Ti≤0.6, P≤0.015
Cu≤0.5,Al:0.8-1.5,B≤0.006
625 0.10 Bal 5.0 0.5 0.5 0.015 20.0-23.0 1.0 Mo:8.0-10.0,Ti≤0.4,Al≤0.4
Co+Ta:3.15-4.15,P≤0.015
706 0.06 Ni+Co
39-44 Balance 0.35 0.35 0.015 14.5-17.5 1.00 Ca+Ta:2.5-3.3,P≤0.02,Al≤0.4
Ti=1.5-2.0,B≤0.006,Cu≤0.3
718 0.08 Ni+Co
50-55 Balance 0.35 0.35 0.015 17.0-21.0 1.00 Ca+Ta=4.75-5.5, Cu≤0.15
P≤0.015,Al=0.35-0.8
Ti=0.65-1.15,B=:0.001-0.006 |