Producdescription:
Lead brass is one ofhe mosimportanand widely used complex brass, which has excellencuing performance, wearesistance and high strength。
产品介绍:
铅黄铜是极为重要的、应用最为广泛的一种复杂黄铜,它具有优良切削性能、耐磨性能和高强度
PRODUCT USAGE:
Iis mainly used ithe maienance of various connectors, valves and valve stem bearings imechanical engineering, among which hoforging valve blanks, lock making and watch making arehree importanmarkets, andhe low cosof lead brass is aimportanprerequisite for its wide applicatioIts alloy compositiocacotaimany alloy elemes, andhe coteequiremes areelativelyelaxed, which lays a foundatioforhe comprehensive utilizatioof lead brass alloyaw materials.
产品用途:
主要用于机械工程中各种连接件、阀门、阀杆轴承保持中,其中热锻阀门坯料、制锁业、钟表业是三大重要市场,铅黄铜成本低廉是其广泛应用的重要前提,其合金成分中可以包容多种合金元素,且含量要求比较宽松,为铅黄铜合金原料综合利用奠定了基础。
Chemical Composition:
COPPER: 57.0 ~ 60.0
ZINC AND ZINC: ALLOWANCE
PB: 0.8 ~ 1.9
B: ≤0.02
AL: ≤0.2
Fe: ≤0.5
SB: ≤0.01
Bi: ≤0.003
Note: ≤1.0(impurity)
Mechanical Properties:
Tensile strength B (MPA) : ≥420
Elogatio10(%) : ≥10
Elogatio5(%) : ≥12
Note: Logitudinalensile mechanical properties of Bar atoomemperature
Sample Size: diameter or distance from opposite edge 5 ~ 20
化学成份:
铜 Cu :57.0~60.0
锌 Zn:余量
铅 Pb:0.8~1.9
硼 B:≤0.02
铝 Al:≤0.2
铁 Fe:≤0.5
锑 Sb :≤0.01
铋 Bi:≤0.003
注:≤1.0(杂质)
●力学性能:
抗拉强度 σb (MPa):≥420
伸长率 δ10 (%):≥10
伸长率 δ5 (%):≥12
注 :棒材的纵向室温拉伸力学性能
试样尺寸:直径或对边距离5~20
铅黄铜HPb59-1
1.理化性能
1.1化学成分,wt.%
牌号 | 铜(Cu) | 铅(Pb) | 镍(Ni) | 锌(Zn) | 杂质总和 |
HPb59-1 | 57~60 | 0.8~1.9 | <1.0 | 余量 | <1% |
1.2机械性能
牌号 | 状态 | 规格/mm | 抗拉强度(MPa) | 延伸率(%) |
0.5~2.0 | ≥345 | ≥25 | ||
2.0~4.0 | ≥335 | ≥28 | ||
4.0~6.0 | ≥325 | ≥30 | ||
0.5~2.0 | 390~590 | —— | ||
2.0~4.0 | 390~590 | —— | ||
4.0~6.0 | 375~570 | —— | ||
0.5~2.0 | 490~735 | —— | ||
2.0~4.0 | 490~685 | —— | ||
4.0~6.0 | 440~635 | —— | ||
3~20 | ≥420 | ≥12 | ||
20~40 | ≥390 | ≥14 | ||
40~50 | ≥370 | ≥19 |
1.3成形性能
冷加工性能 | 优 |
热加工性能 | 优 |
抛光性能 | 优 |
钎焊性 | 差 |
切削性(与易切削铅黄铜比) | 80% |
1.4物理性能
密度(标况下)(kg/㎥) | 8500 |
电导率(%IACS) | —— |
导热率(W/m.K) | 105 |
磁性 | 有磁性 |
2.供货规格
型材 | 规格范围(mm) | 公差尺寸(mm) |
Φ2.0~φ5.0 | ±0.02 | |
Φ5.0~φ50 | ±0.05 | |
圈线 | Φ2~φ13 | ±0.03 |
应用范围
铅黄铜HPb59-1具有良好的切削性能,同时具有较好的热锻、冷锻、弯曲、铆接、滚压等加工性能。广泛用于切削加工、热加工和切削性好的各种零部件如:销子、螺钉、垫圈、垫片、衬套、管嘴等领域,是最经济常用的合金。