国产成人在线观看免费网站_亚洲国产成人久久精品软件_男女一级毛片免费视频看_日本高清色惰www在线视频_国产在线女人水多_国产免费费无码一区二区三区_成人区人妻精品一区二区

1) Stainless steel handles should be thick, otherwise they may be dented: good stainless steel handles use pipes with a wall thickness of 1.2mm. There are also many classifications of stainless steel, and the prices vary greatly. It is advisable to choose brand manufacturer AISI304 grade stainless steel as much as possible.

The stainless steel handle of the thin tube is quickly held at the same temperature as the hand, while the thick tube is cooler; Tapping the thick tube with your fingers produces a clear and crisp sound, while the thin tube can be a bit dull. The handle has been using pipes with a wall thickness of 1.2mm for many years.

2) Brass, zinc alloy, and aluminum: It is particularly important to note that if subjected to force, zinc alloy materials should not be too thin and should not be used for functional accessories. The author has conducted statistics on the steel gate anti-theft door in a certain residential area on a certain day. After three years of occupancy, more than 60% of the handles were disconnected from the foot seat, because the zinc alloy accessories were too thin and inferior zinc alloy was used. It is difficult to distinguish the material of all materials after surface treatment, so customers must ask clearly.

3) Natural stone, natural wood, plastic: There are many materials used to make stainless steel handles, and each material has its own advantages and disadvantages, which will not be elaborated here.

Article source: Stainless steel handle manufacturer http://www.bangweijixie.com