鎳鉻鉬鋼是在鎳鉻鋼中加入1.0%以下的鉬元素,可得到強韌的鋼材,是構造用鋼材中最優良的表面硬化鋼鋼種。 此種鋼具有良好的降伏強度與抗拉強度、硬化性能佳、韌性高、高耐磨性與耐衝擊等。
⒈航空航天工業: 用於製造高強度結構件、發動機部件和機身組件。
⒉汽車工業: 用於製造高應力部件,如曲軸、連桿、齒輪和軸承。
⒊能源產業: 用於製造高壓鍋爐、熱交換器、壓力容器和核電設備。
⒋機械製造: 用於製造各種高強度機械設備和零部件。
⒌石油和天然氣工業: 用於製造鑽井設備、高壓管道和其他需要高強度和耐腐蝕性的部件。
標準代號 | 規格號碼 | 材料號碼 | 記號 |
---|---|---|---|
CNS | 3271 | SNCM220 | |
GB | 3077 | 20CrNi-Mo | |
JIS | G4103 | SNCM220 | |
AISI | 8615 | ||
AISI | 8617 | ||
AISI | 8620 | ||
AISI | 8622 | ||
DIN | 17210 | 1.7321 | 20MoCr4 |
CNS | 3271 | SNCM240 | |
JIS | G4103 | SNCM240 | |
AISI | 8637 | ||
AISI | 8640 | ||
DIN | 17200 | 1.6546 | 40NiCr-Mo22 |
CNS | 3271 | SNCM415 | |
GB | 3077 | 12CrNi2 | |
JIS | G4103 | SNCM415 | |
CNS | 3271 | SNCM420 | |
JIS | G4103 | SNCM420 | |
AISI | 4320 | ||
CNS | 3271 | SNCM431 | |
JIS | G4103 | SNCM431 | |
CNS | 3271 | SNCM439 | |
GB | 3077 | 40CrNiMoA | |
GB | 3077 | 45CrNiMoVA | |
JIS | G4103 | SNCM439 | |
AISI | 9840 | ||
CNS | 3271 | SNCM447 | |
JIS | G4103 | SNCM447 | |
AISI | 4340 | ||
DIN | 17200 | 1.6582 | 34CrNiMo6 |
碳(C)% | 矽(Si)% | 錳(Mn)% | 磷(P)% | 硫(S)% | 鎳(Ni)% | 鉻(Cr)% | 鉬(Mo)% | 銅(Cu)% | 釩(V)% |
---|---|---|---|---|---|---|---|---|---|
0.17~0.23 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 0.4~0.7 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.17~0.23 | 0.17~0.37 | 0.6~0.95 | ≦ 0.035 | ≦ 0.035 | 0.35~0.75 | 0.4~0.7 | 0.2~0.3 | ≦ 0.3 | |
0.17~0.23 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 0.4~0.7 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.13~0.18 | 0.15~0.3 | 0.7~0.9 | ≦ 0.035 | ≦ 0.04 | 0.4~0.7 | 0.4~0.6 | 0.15~0.25 | ||
0.15~0.2 | 0.15~0.3 | 0.7~0.9 | ≦ 0.035 | ≦ 0.04 | 0.4~0.7 | 0.4~0.6 | 0.15~0.25 | ||
0.18~0.23 | 0.15~0.3 | 0.7~0.9 | ≦ 0.035 | ≦ 0.04 | 0.4~0.7 | 0.4~0.6 | 0.15~0.25 | ||
0.18~0.25 | 0.15~0.3 | 0.7~0.9 | ≦ 0.035 | ≦ 0.04 | 0.4~0.7 | 0.4~0.6 | 0.15~0.25 | ||
0.17~0.22 | 0.15~0.4 | 0.6~0.9 | ≦ 0.035 | ≦ 0.035 | 0.3~0.5 | 0.4~0.5 | |||
0.38~0.43 | 0.15~0.35 | 0.7~1 | ≦ 0.03 | ≦ 0.03 | 0.4~0.7 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.38~0.43 | 0.15~0.35 | 0.7~1 | ≦ 0.035 | ≦ 0.03 | 0.4~0.7 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.35~0.4 | 0.15~0.35 | 0.75~1 | ≦ 0.035 | ≦ 0.04 | 0.4~0.7 | 0.4~0.6 | 0.15~0.25 | ||
0.38~0.43 | 0.15~0.35 | 0.75~1 | ≦ 0.035 | ≦ 0.04 | 0.4~0.7 | 0.4~0.6 | 0.15~0.25 | ||
0.37~0.44 | 0.15~0.4 | 0.7~1 | ≦ 0.035 | ≦ 0.035 | 0.4~0.7 | 0.4~0.6 | 0.15~0.3 | ||
0.12~0.18 | 0.15~0.35 | 0.4~0.7 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.1~0.17 | 0.17~0.37 | 0.3~0.6 | ≦ 0.035 | ≦ 0.035 | 1.5~1.9 | 0.6~0.9 | ≦ 0.3 | ||
0.12~0.18 | 0.15~0.35 | 0.4~0.7 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.17~0.23 | 0.15~0.35 | 0.4~0.7 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.17~0.23 | 0.15~0.35 | 0.4~0.7 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.4~0.65 | 0.15~0.3 | ≦ 0.3 | |
0.17~0.22 | 0.15~0.3 | 0.45~0.65 | ≦ 0.035 | ≦ 0.04 | 1.65~2 | 0.4~0.6 | 0.2~0.3 | ||
0.27~0.35 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.6~1 | 0.15~0.3 | ≦ 0.3 | |
0.27~0.35 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.6~1 | 0.15~0.3 | ≦ 0.3 | |
0.36~0.43 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.6~1 | 0.15~0.3 | ≦ 0.3 | |
0.37~0.44 | 0.17~0.37 | 0.5~0.8 | ≦ 0.03 | ≦ 0.02 | 1.25~1.65 | 0.6~0.9 | 0.15~0.25 | ≦ 0.3 | |
0.42~0.49 | 0.17~0.37 | 0.5~0.8 | ≦ 0.035 | ≦ 0.035 | 1.3~1.8 | 0.8~1.1 | 0.2~0.3 | ≦ 0.3 | 0.1~0.2 |
0.36~0.43 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.6~1 | 0.15~0.3 | ≦ 0.3 | |
0.38~0.43 | 0.2~0.35 | 0.7~0.9 | ≦ 0.04 | ≦ 0.04 | 0.85~1.15 | 0.7~0.9 | 0.2~0.3 | ||
0.44~0.5 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.6~1 | 0.15~0.3 | ≦ 0.3 | |
0.44~0.5 | 0.15~0.35 | 0.6~0.9 | ≦ 0.03 | ≦ 0.03 | 1.6~2 | 0.6~1 | 0.15~0.3 | ≦ 0.3 | |
0.38~0.43 | 0.15~0.35 | 0.6~0.9 | ≦ 0.035 | ≦ 0.035 | 1.5~2 | 0.7~0.9 | 0.2~0.3 | ||
0.3~0.38 | 0.15~0.4 | 0.4~0.7 | ≦ 0.035 | ≦ 0.035 | 1.4~1.7 | 1.4~1.7 | 0.15~0.3 |