BS HR 505:1981
螺纹垫圈(最大直径2mm)用镍铬铁钛铌铝耐热合金圆线材(镍基、Cr15.5、Fe7.0、Ti2.5、N6/Ta0.95、Al0.70)规范
Specification for nickel-chromium-iron-titanium-niobium-aluminium heat-resisting alloy round wire for thread inserts (maximum diameter 2 mm) (nickel base, Cr 15.5, Fe 7.0, Ti 2.5, Nb/Ta 0.95, Al 0.70)