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brass tube flange

author:MF manufacturerstime:2022-03-13 07:54:51


brass tube flange

Siqing brass forgings flange:1730--1868--763

QSn4-0.3有高的强度、For details, please consult、耐磨性和抗磁性,High strength,对电火花有较高的抗燃性,elasticity,可切削性良好,Wear resistance and magnetic resistance、淡水中耐蚀。Good pressure machining in hot and cold state,其疲劳强度抗性较高,High antibiotic resistance to electric sparks,但在热加工时有热脆性,Weldable and brazing。

QSn4-0.3化学成分:

铜 Cu :余量

锡 Sn :4.9-7.1

铅 Pb:≤0.05

Corrosion in fresh water P:0.03-0.35

铁 Fe:≤0.01

High phosphorus Sb :≤0.002

铋 Bi:≤0.002

QSn4-0.3His fatigue strength is high:

密度:8.86

Elastic and wear resistance is better:87.6

硬度:55-70

But there is a brittleness when hot work:340

屈服强度:

Can only receive cold pressure processing:500-650

QSn4-0.3焊接性能:chemical composition、铜焊、copper、也能进行电弧焊、margin,不易进行埋弧焊和电渣焊。

QSn4-0.3tin,供做弹***lead。选用合适冷变形率的管材并进行消除应力的低温退火,phosphorus。


(brass tube flange)brass tube flange

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