工业铝型材6061和6063有什么区别?

2024年11月02日 03:29
有2个网友回答
网友(1):

1、化学成份
合金牌号
6061
6063
合金元素含量(%)
Mg:0.8-1.2
Mg:0.45-0.9
Cu:0.15-0.4
Cu:≤0.1
Si:0.4-0.8
Si:0.2-0.6
Cr:0.04-0.35
Cr:≤0.1
Fe:少量
Fe:≤0.35
Al:余量
Al:余量
2、力学性质
金属的力学性能包括:强度、硬度、延展性、塑性、屈服强度、抗疲劳强度等等,6061牌号的铝型材在强度和切削加工性能上要比6063表现更好;也都具有很好的抗氧化性;但是在塑性方面,6063铝型材就要更胜一筹,它可以使材料达到更高的精度;6063具有更高的抗拉强度与抗屈服强度,表现出更好的断裂韧性。
3、使用范围
6061:是一种高质量的铝合金材料,具有很高的韧性、良好的焊接性以及抗腐蚀性性能,可用于载重汽车、船舶、航天装置、卡车、电车、模具、电子、家具、抗腐蚀性结构;
6063:是一种综合性能非常强的铝合金材料,具有高强度、耐磨性、耐腐蚀性与耐高温性能,可同时用于建筑型材和工业型材,常用于建筑铝合金门窗、幕墙、各种工业框架结构、轨道交通、航空航天、军工装备、自动化输送设备等领域。
4、热处理工艺
热处理工艺是指通过热处理强化,来消除材料内部的内应力,提高它的强度。通常情况下,纯铝合金、铝锰合金和铝镁合金是不能通过热处理相来提高强度的,而铝铜合金、铝镁硅合金等硬合金是可以通过热处理相来达到强化效果的。6061在固熔热处理后不再进行冷加工,可进行自然时效(T4状态),或直接进行人工时效,也就是T6状态,它的变形系数较大,硬度高,不易控制;而6063经高温成型后再冷却,也就是淬火工序,一般采用风冷的冷却方法,然后再经过人工时效处理,即T5状态,它可以最大程度地消除工业铝型材的内应力,变形系数较小,硬度没有那么高,不会轻易断裂,力学性能更强,不过6063也有采用T6的处理方法,它的变形系数也会变大,硬度更高,比T5更容易发生断裂现象,6063-T5是工业铝型材生产厂家所采用最多的型号,应用范围也是十分广泛。

网友(2):

6061和6063都属于锻铝,主要用来做挤压型材,并不太适合做压铸,压铸有专门的铸铝。6063在建筑业中应用较多,比如铝合金门窗,因为建筑关系到人身安全,6063对合金成分的要求比6061要严格些;为了保证门窗、幕墙具有高的抗风压性能、装配性能、耐蚀性能和装饰性能,对铝合金型材综合性能的要求远远高于工业型材标准。 6061在机械工程中应用较多。代表用途包括航天固定装置、电器固定装置、通讯领域,也广泛应用于自动化机械零件、精密加工、模具制造、电子及精密仪器、SMT、PC板焊锡载具等等。
6061-T651是6061合金的主要合金,是经热处理预拉伸工艺生产的高品质铝合金产品,其强度虽不能与2XXX系或7XXX系相比,但其镁、硅合金特性多,具有加工性能极佳、优良的焊接特点及电镀性、良好的抗腐蚀性、韧性高及加工后不变形、材料致密无缺陷及易于抛光、上色膜容易、氧化效果极佳等优良特点。   
6061与6063两者都可以做出非常漂亮的氧化膜。

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