How to buy good quality galvanized angle steel?

　　Galvanized angle steel has good corrosion resistance and beautiful appearance and is widely used in: curtain wall materials, power towers, communication towers, shelf construction, railways, highway protection, street light poles, marine components, construction steel structural components, substation ancillary equipment, light industry wait. So do you know how to buy good quality galvanized angle steel?

　　The price of galvanized angle steel is a very sensitive issue. We consumers hope to buy cheap and high-quality hot-dip galvanized angle steel, but the saying "you get what you pay for" is equally applicable to the purchase of galvanized angle steel. Sometimes we will see "cabbage price" galvanized angle steel in the market. At this time, we cannot take advantage of it.

　　We need to be more vigilant about this "cabbage-priced" galvanized angle steel, as there may be something fishy about it. It is galvanized angle steel without material. Material-free angle steel is "black material". The raw material of angle steel is made of unprotected material, and then it is processed by galvanizing process. This kind of galvanized angle steel will be unable to be drilled or easily deformed and broken during construction. Some merchants will use cold-dip galvanized angle steel to sell it as hot-dip galvanized angle steel.

　　Compared with hot-dip galvanized angle steel, the zinc layer thickness of cold-dip galvanized angle steel is thinner than that of hot-dip galvanized angle steel, the price is cheaper, and the corrosion-resistant life is shorter than that of hot-dip galvanized angle steel. The calculation method of galvanized angle steel is basically It is adjustment, weighing, and price calculation. There are many theoretical calculation formulas, and the difference after subtracting galvanized angle steel is also different. The resulting ton price is somewhat different from the actual price; the ton price obtained by weighing calculation and price calculation is true; if the purchase of galvanized angle steel is large It is recommended to use a scale to be more cost-effective.

　　The zinc layer thickness specified by the national regulations for galvanized angle steel. There are national standard and non-standard products in the market. The national standard price is more expensive than the non-standard price. Some unscrupulous merchants use non-standard galvanized angle steel as national standard galvanized angle steel. When purchasing, it is best to use a zinc meter to measure the thickness of the zinc layer, and use a vernier caliper to measure the actual thickness of the product, and purchase what you need based on your actual standard needs. galvanized angle steel.