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合金

由两种或两种以上的金属与非金属经一定方法所合成的具有金属特性的物质。铝,镁,硅是最重要的合金材料,除此之外,还有铜,锌,钛,铋和铬。

地壳中含量最丰富的金属元素, 可与许多不同的矿物质组合在一起,铝合金是工业中应用最广泛的有色金属。

氧化

一种电解表面处理方法,使其它表面生成氧化膜,氧化膜的厚度通常5到25微米,,一微米等于1000豪米。

Bauxite铝矾土

一种氧化铝矿石,矾土最基本的用途是在生产铝的冶金部门,矾土中铝含量占有20%-30%, 与几内亚、澳大利亚、巴西同属世界铝矾土资源大国。

外接圆

能够将型材横断截面完全包围的最小的圆, 描述铝型材尺寸,承受的最大压力范围。

挤压

生产金属型材的工序,主要有铝,铜,黄铜,也可挤压镁,但难度很大。

热处理合金

合金的一种,A type of alloy that acquires its strength through precipitation-hardening (heat-treatment) and which is used for profiles. Alloys that are not heat-treated acquire their strength through increased additives or cold-rolling and are used primarily for sheeting, strip and foil.

均质

一种热处理方式,平均分部材料中的合金元素。

 

铁锭

To produce profiles, the smelter plant casts the aluminium alloy to form round ingots whose diameter is adapted to each press, and in lengths of six to seven meters.

Natural anodizing

Anodizing without adding color. Since the aluminium oxide is transparent, the natural surface is visible.

Perimeter

The distance a pen moves when following the outer contour (outer perimeter) and inner contour (inner perimeter) of a profile. Generally expressed in millimeters. The perimeter constitutes the basis for calculating the surface for surface treatment (perimeter x length).

Press force

The power with which the metal is pressed through the tool. Power is now designated in MegaNewtons (MN); formerly tonnes were used. Ten MN is equal to approximately 1,000 tonnes. Sapa’s largest press, P5, develops a maximum power of 65 MN.

Primary metal

Metal produced from aluminium oxide, which in turn is produced from bauxite. In Sweden there is one primary smelter plant, Kubikenborg Aluminium (Kubal) in Sundsvall.

Secondary metal

Remelted metal from product or process
scrap.

Semi-hollow profile

A solid profile with a cavity that is almost closed. May also require a hollow die or the redesigning of the profile.

Solid profile

In contrast to a hollow profile, a solid profile has no cavity.