1.4307 (X2CrNi18-9) material, known as AISI 304L, is preferred particularly in places where welding will be performed extensively due to its lower carbon content compared to AISI 304. The lower carbon content ensures minimal carbide carburization in the welding area, reducing the likelihood of corrosion starting from the welding zone. As the carbon level is lower than that of 1.4301 (X5CrNi18-10), 1.4307 steel possesses lower corrosion resistance compared to 1.4301 (X5CrNi18-10), but offers higher weldability characteristics. This type of steel is widely used in many industries such as the food industry, chemical industry, medical technology, and home appliance manufacturing. Additionally, it is suitable for some specific applications like high-temperature environments and environments containing sulfuric acid.
The hardness value of 1.4307 (X2CrNi18-9) steel is 200 HB.
1.4307 (X2CrNi18-9) steel is a preferred stainless-steel type due to its high weldability characteristics. It finds widespread use in industries such as the food industry, chemical industry, medical technology, home appliance manufacturing, and the construction sector. Its usage is particularly prominent in the food industry since 1.4307 (X2CrNi18-9) steel is approved for use in equipment that comes into contact with food products. Additionally, this steel type can be used in environments with high corrosion effects such as saltwater and sulfuric acid.
1.4307 (X2CrNi18-9) steel is also used in the manufacturing of consumer products like automatic doors, kitchen appliances, sinks, bathroom faucets, and various metal furniture items.
Carbon |
Chromium |
Nickel |
C |
Cr |
Ni |
0,08 |
≤ 20 |
≤ 10 |
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