JIS S45C Mild Steel

JIS S45C is easy to weld, forge, and machine due to its low melting point. It is a versatile and cost-effective material that is suitable for many applications. It is used to make various machine components, such as gears, shafts, axles, and bolts. It is also used in the manufacturing of automotive parts, such as wheel rims, brake components, and exhaust pipes.

JIS S45C is known for its good ductility, toughness, and shock resistance. It has a high tensile strength, making it ideal for use in applications that require high strength and durability, such as construction materials. Its good mechanical properties make it ideal for use in structures that are subjected to heavy loads.

In summary, JIS S45C is a popular grade of mild steel that is widely used in various industrial applications due to its good strength, toughness, and durability. Its versatility and cost-effectiveness make it a preferred material for many manufacturers.

The following points are the advantages of this product:

1. High strength: With very high strength, it can be used to manufacture important structural and mechanical components.

2. Wear resistance: The steel has excellent wear resistance, which can effectively prevent wear and fatigue damage.

3. High plasticity: it is very easy to form and process, and can be used to manufacture parts of various shapes.

4. Good weldability: The product has good weldability and can be welded to improve the manufacturability and reliability of the product.

5. Good machinability: easy to cut and surface treatment, can quickly and effectively produce high quality products

1045 Chemical composition

1045 steel forging

AISI 1045 is heated in two steps, first to 750 ØC - 800 ØC for an appropriate amount of time, then to 1100 ØC - 1200 ØC for sufficient time for the steel to heat fully. The minimum forging temperature is 850°C, so do not forge below that temperature. AISI 1045 steel should be cooled as slowly as possible in still air or sand after forging.

1045 steel normalization

Normalizing is used to refine forgings that may cool unevenly after forging as a tempering treatment before final heat treatment. The normalizing temperature of AISI 1045 steel should be between 870℃ and 920℃. Keep the appropriate time for the steel to heat thoroughly and complete the transformation of ferrite to austenite. Let soak for 10-15 minutes, then cool in still air.

1045 steel annealing

Annealing is considered to be a suitable treatment method for machining. AISI 1045 should be carried out at a nominal temperature of 800 ° C -850 ° C, keeping the appropriate time for the steel to heat fully, and then furnace cooling.

1045 steel hardening

AISI 1045 can be hardened to increase surface hardness and strength. Usually heated to a temperature of 820ØC - 860ØC, maintain the appropriate time to heat the steel uniformly, soak for 10-15 minutes per 25mm section, and then quench with water or oil. Temper immediately after quenching.

1045 steel tempering

After quenching, tempering is performed to optimize performance. AISI 1045 steel is usually heated to 400ØC - 650ØC as needed, maintained until the temperature is uniform throughout the section, soaked every 25mm section for 1 hour, and then cooled in still air.

1045 Steel applications

Compared with AISI 1020, AISI 1045 has a low alloy content, but can obtain high strength through flame or induction quenching, and is widely used in many industries with high requirements for strength and wear resistance.

Typical applications include axles, bolts, connecting rods, hydraulic fixtures, plungers, pins, rollers, studs, shafts, spindles, sleeves, light gears, etc.

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