SAE1045/S45C/1.1191 Carbon Steel Round Steel Bar

1045 steel  is a medium carbon, medium tensile steel supplied as hot rolled, forged or normalized. Changfeng steel supply 1045 steel round bar, plate, steel rods, steel bars, flat bar, square, sheet.

Chemical composition(%)
1. Heat treament of SAE AISI 1045 steel
1)Forging: at 850°C - 1250°C, Hold until the temperature is uniform, Then Cool in furnace
2)Annealing: Heat to 800°C - 850°C , Slowly, Then Hold the temperature until uniform; Cool in heat treatment furnace.
3)Normalizing: Heat to 870°C - 920°C, Soak evenly, about Soak for 10 - 15 minutes, then Cool in air
4)Stress Relieving: Heat to 550°C - 660°C, Hold the temperature, Soak enough time, until thoroughly heat, then Cool in still air
5)Hardening: Heat to 820°C - 850°C, Soak for 10 - 15 minutes per 25mm of section, Quench in water or brine
6)Tempering: Re-heat to 400°C - 650°C as needs, Soak about 1 hours per 25mm of section, Cool in air.

2,Application:
Use for making injection plastic mould,mould frame and some middle-range machine.
1) Widely used in machine manufacturing;
2) For shaft parts ;
3) Stamping die drawing parts repair and hardfacing;

3,Available size(mm):

4,Quality Contation
Both end of each bar must be cut
Ladle furnanced and vacuum de-gassed
Show heat No. on each bar
Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract.

5,Hot Sale Products for Carbon steel flat&round Bar
6,Hot Sale Products for Hot/Cold work Mold Steel 

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About us: 
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.  With more than 20 years experience in special steel industry,  our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel.
We have thousand tons of stock materials in our own factory and also can provide processing services to customers.  We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.

After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients. 
Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services. 
All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.