S20C S45C Carbon Steel Bar

S20C and S45C are both types of carbon steel bars commonly used in various industries. They have different chemical compositions, mechanical properties, and applications.

S20C carbon steel bar contains between 0.18% to 0.23% carbon and 0.15% to 0.35% manganese. It also contains small amounts of phosphorus and sulfur. S20C is characterized by good machinability, weldability, and ductility. It is commonly used in the manufacture of machinery parts, bolts, and nuts, as well as in general construction applications.

S45C carbon steel bar contains between 0.42% to 0.48% carbon and 0.60% to 0.90% manganese. It also contains small amounts of phosphorus and sulfur. S45C is characterized by high strength, toughness, and wear resistance. It is commonly used in the manufacture of gears, shafts, and other machine parts, as well as in the automotive and construction industries.

Both S20C and S45C carbon steel bars can be heat treated to improve their mechanical properties. However, S45C is generally considered to be a higher quality steel bar due to its higher carbon content and superior strength and wear resistance.

• S20C and S45C carbon steel rods are common structural steels with good machinability, plasticity and mechanical properties. Here are their product specifications:
• S20C carbon steel rod: The diameter range is 5mm to 80mm, the length is usually 3 to 6 meters. Sometimes referred to as 1020 steel, it has excellent weldability and surface hardness and is suitable for manufacturing mechanical parts.
• S45C carbon steel rod: The diameter range is 10mm to 300mm, the length is usually 3 to 6 meters. Also known as 1045 steel, it has high strength and wear resistance and is suitable for manufacturing automotive parts, bearings and accessories, among others.

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