标准号:BS 5S 99-1994
中文标准名称:2.5%镍铬钼(高碳)钢坯、棒材、锻件和部件(1230-1420MPa:限定主断面范围150mm)规范
英文标准名称:Specification for 2.5% nickel-chromium-molybdenum (high carbon) steel billets, bars, forgings and parts (1230-1420 MPa: limiting ruling section 150 mm)
标准类型:H40
发布日期:1994/1/15 12:00:00
实施日期:1994/1/15 12:00:00
中国标准分类号:H40
国际标准分类号:49.025.10
适用范围:This standard specifies characteristics of a nickel-chromium-molybdenum steel supplied in the following forms, and as parts, for general aerospace use:
a) forging stock, designation S99A;
b) forgings: softened, designation S99C;
c) forgings: hardened and tempered, designation S99F;
d) black bars for machining: softened, designation S99B;
e) black bars for machining: hardened and tempered, designation S99E;
f) bright bars for machining: softened, designation S99D;
g) bright bars for machining: hardened and tempered, designation S99G.