what is the difference between low carbon steel and stainless steel racks?

Metal shelves are generally made of some alloys such as low-carbon steel and stainless steel, and those made of low-carbon steel are generally called wrought iron shelves, iron shelves, etc. Let's compare low carbon steel and stainless steel racks in terms of materials:

1. Low carbon steel shelf, its material is also commonly known as mild steel, the carbon content is from 0.10% to 0.30%. Low carbon steel is easy to withstand various processing such as casting, welding and cutting, and is often used in the manufacture of chains, rivets, bolts, shafts Wait. Carbon steel with a carbon content of less than 0.25% is also called mild steel because of its low strength, low hardness and softness. It includes most ordinary carbon structural steels and some carbon structural steels, most of which are not heat-treated for engineering structural parts, and some are carburized and other heat-treated mechanical parts. Mild steel is a very strong and durable metallic material. Low carbon steel is relatively low cost, but its hardness is good, it is very suitable for shelves and display racks in domestic or commercial areas.

2. Stainless steel storage racks, the common ones on the market are SUS304 stainless steel and SUS201 stainless steel. Stainless steel refers to steel resistant to weak corrosive media such as air, steam, water, and chemically corrosive media such as acid, alkali, and salt. It is also called stainless acid-resistant steel. Stainless steel has two aspects: stainless steel and corrosion-resistant steel, respectively called stainless steel and corrosion-resistant steel, collectively referred to as stainless steel.

General steel can be divided into:
a, Low-carbon steel, generally C%<0.25%, is called low-carbon steel, with low strength, good plasticity and weldability.
b, medium carbon steel, C% is 0.25~0.60%, called medium carbon steel, has high strength, but poor plasticity and weldability.
c, high carbon steel, C%>0.60%, called high carbon steel. Poor plasticity and weldability, but high strength and hardness after heat treatment. The carbon content of high-carbon steel is between 0.6% and 2%, and more than 2% is cast iron. The standard of stainless steel is to contain more than Cr12, which is to mark whether it is resistant to rust and corrosion by containing Cr and Ni respectively. He can also be divided into low carbon and high carbon. The main function of carbon in general steel is to increase hardness, and in stainless steel, it affects the intergranular corrosion function, and of course it can also increase hardness.

In a word, the difference between low-carbon steel and stainless steel mainly lies in the strength of anti-rust and anti-corrosion ability; the anti-rust and anti-corrosion effect of stainless steel is much stronger than that of carbon steel, so the price of stainless steel is higher than that of low carbon steel (except special steel). The quality of the shelf material is to choose the appropriate steel according to the use, not simply based on the price of steel.

Generally speaking, carbon steel is widely used in structural steel without anti-rust requirements, and stainless steel belongs to special-purpose steel, which is used for general decoration and special anti-rust occasions. Due to the great difference in the cost of the two, stainless steel contains a variety of precious metals, so the price is generally several times higher than that of low carbon steel, but the general-purpose stainless steel has lower strength.

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