

40Cr10Si2Mo有較高的耐熱性,作內燃機進氣閥,輕負荷發動機的排氣閥等。
氣閥鋼40Cr10Si2Mo化學成份% Chemical Composition%
牌號Grade | 碳 C | 硅 Si | 錳 Mn | 硫 S | 磷 P | 鉻 Cr | 鎳 Ni | 鉬 Mo |
40Cr10Si2Mo | 0.35~0.45 | 1.90~2.60 | ≤0.70 | ≤0.030 | ≤0.035 | 9.00~10.50 | ≤0.60 | 0.70~0.90 |
氣閥鋼40Cr10Si2Mo機械性能% Mechanicai Properities%
牌號Grade | 抗拉強度 σb (MPa) | 條件屈服強度 σ0.2 (MPa) | 伸長率 δ5 (%) | 斷面收縮率 ψ (%) | 硬度 |
40Cr10Si2Mo | ≥885 | ≥685 | ≥10 | ≥35 | 退火,≤269 |