牌 号C Si Mn Cr Mo V B S C-422
(20Cr12NiMoWV)0.20～0.25≤0.500.50～1.0011~12.500.90～1.250.20～0.30—≤0.025
R-26 (Ni-Cr-Co
合金)≤0.08≤1.50≤1.0016.0～
20.0 2.5～3.0—
0.001
～0.1≤0.03
636 Alloy (Type 422)
(AISI No. 616) (UNS S42200)
Single Figures are Maximums
0.20/0.25 C, 1.00 Mn, 1.00 Si, 0.04 P, 0.03 S,
11.50/13.50 Cr, 0.50/1.00 Ni,
0.75/1.25 Mo,
0.75/1.25 W,
0.20/0.50 V, Bal. Fe
Hardenable stainless designed for service to 1200°F (649°C). Good resistance to scaling and oxidation in continuous service at temperatures to 1400°F (760°C). Has been used for compressor and steam turbine buckets and blades.
P Ni Ti Al Co其 他
σ0.2σbδ5ψa k
MPa MPa%%J/cm2
≤0.0250.05～
1.00———
W0.90～
1.257609301432—277～331
≤0.0335.0～
39.0 2.5～3.0≤0.25
18.0～
22.0Fe余量55510001420—262～331
室温机械性能(不低于)
HB
10-
σ
试验温度
σ
105
℃
MPa
570≥9595～170538
310
469
高温强度
MPa 5
10
-σ