標準號：BS EN 10090-1998
中文標準名稱：內燃機用閥門鋼和合金
英文標準名稱：Valve steels and alloys for internal combustion engines
標準類型：H40
發布日期：1998/8/15 12:00:00
實施日期：1998/8/15 12:00:00
中國標準分類號：H40
國際標準分類號：27.020;77.140.20
適用范圍：1 This European Standard applies to the grades of wrought high-alloy materials listed in Table 1. These valve materials are used for intake and exhaust valves in reciprocating internal combustion engines. It is applicable to bars, wire, rod and forgings and for the surface finishes listed in note 3 of 6.3. 2 This European Standard does not apply to alloys resistant to wear and corrosion which are used to protect valve seat surfaces. 3 In addition to the specifications of this European Standard, the general technical delivery requirements of EN 10021 are applicable, unless otherwise specified.