上海隆进特殊钢有限公司
五金通白金会员 第15年
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QBe1.7铜带#软态铍青铜 QBe1.7铍铜性能
QBe1.7 to contain a small amount of nickel, titanium, beryllium bronze. And QBe2 similar characteristics, its advantages are: small elastic hysteresis, high fatigue strength and the elastic stability when temperature changes, the performance sensitivity to the aging temperature change is small, price is low, and the strength and hardness than QBe2 down little. Production of all kinds of important use spring, precision instrument, the sensitive element of elastic component and subject to high variable load elastic element, can replace QBe2 and QBe2.15 brand of beryllium bronze.
QBe1.7为含有少量镍、钛的铍青铜。具有和QBe2相近的特性，其X点是：弹性迟滞小、疲劳强度高，温度变化时弹性稳定，性能对时效温度变化的敏感性小、价格较低廉，而强度和硬度比QBe2降低甚少。制作各种重要用途弹簧、精密仪表的弹性元件、敏感元件以及承受高变向载荷的弹性元件，可代替QBe2和QBe2.15等牌号的铍青铜。
QBe1.7化学成分：
铝(Al)≤0.15,铁(Fe)≤0.15,镍(Ni)0.2～0.4,硅(Si)≤0.15,铅(Pb)≤0.005,铜(Cu)余量,钛(Ti)0.10～0.25,铍(Be)1.60～1.85,杂质总和％≤0.5
