S45c S48c S50c S53c S55c S58c Carbon Steel Forged and Rolled Round Bar Flat

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Stainless Steel Scrap
• Technique: Hot Rolled
• Shape: Bar
• Surface Treatment: Black/Milled/Machined
• Model NO.: round bar
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Tool Steel Bar
• Transport Package: Wooden
• Specification: 6-400mm
• Trademark: Smooth
• Origin: China
• HS Code: 7214100000
• Production Capacity: 5000 Ton/Year

Product Description

S45C(S48C S50C S53C S55C S58C) Steel Overview:
S45C steel is a medium carbon steel known for its good machinability, weldability, and high strength. It is commonly used in various industrial applications requiring moderate strength and hardness.

Chemical Composition:

Grade	C(%)	Si(%)	Mn(%)	P(%)	S(%)
S45C	0.42-0.48	0.15-0.35	0.60-0.90	≤0.030	≤0.035
S48C	0.45-0.50	0.15-0.35	0.60-0.90	≤0.030	≤0.035
S50C	0.47-0.53	0.15-0.35	0.60-0.90	≤0.030	≤0.035
S53C	0.50-0.56	0.15-0.35	0.60-0.90	≤0.030	≤0.035
S55C	0.52-0.58	0.15-0.35	0.60-0.90	≤0.030	≤0.035
S58C	0.55-0.61	0.15-0.35	0.60-0.90	≤0.030	≤0.035

Properties:
1.Good Machinability: S45C steel exhibits good machinability, allowing for easy shaping, forming, and machining operations, making it suitable for the production of various components and parts.
2.Weldability: S45C steel can be welded using conventional welding methods, providing good fusion and strength in the welded joints, making it suitable for fabrication and construction applications.
3.Moderate Strength: With its medium carbon content, S45C steel offers moderate tensile and yield strength, suitable for applications requiring adequate strength and hardness.
4.Excellent Hardenability: S45C steel can be hardened by heat treatment to achieve the desired hardness and mechanical properties, making it versatile for use in various applications.
5.Uniform Microstructure: Proper heat treatment of S45C steel results in a uniform microstructure with fine grains, ensuring consistent mechanical properties and dimensional stability in finished components.
6.Versatile Applications: S45C steel is commonly used in the manufacture of shafts, gears, bolts, studs, and other machine components requiring moderate strength, hardness, and wear resistance.

Heat Treatment:
S45C steel can be heat treated to achieve desired mechanical properties and performance. Common heat treatment processes include:
Annealing: Heating to a temperature of 800-850°C, followed by slow cooling in the furnace to relieve internal stresses and refine the microstructure.
Normalizing: Heating to a temperature of 850-900°C, followed by air cooling to improve machinability and obtain a uniform microstructure.
Hardening: Heating to a temperature of 820-870°C, followed by quenching in water or oil to achieve maximum hardness and strength.
Tempering: Tempering at a temperature of 550-660°C for a specific duration to improve toughness and reduce brittleness.

Surface Treatment:
Surface treatments such as carburizing, nitriding, or coating may be applied to S45C steel to enhance its wear resistance, corrosion resistance, or surface hardness, depending on the application requirements.

Quality Assurance:
S45C steel is produced and tested according to industry standards such as JIS G4051 or equivalent, ensuring consistent quality, mechanical properties, and performance in various applications.

Environmental Considerations:
In the production and processing of S45C steel, environmental considerations such as energy efficiency, waste management, and emissions control should be addressed to minimize environmental impact and promote sustainability in the industry.