Compared to Michelin, Goodyear and other European and American multinational tire giants, it is not too late for the Korean tire brand to enter the Chinese market, and its market share in China has been leading. However, after the quality crisis of confidence appeared in previous years, Korean tire brands began to no longer focus on sales. From product positioning to after-sales service, two Korean tire brands Hantai and Kumho in China made strategic adjustments respectively. The difference is that the overall positioning of Hankook Tire has started to shift to high-end branding in recent years, and brand awareness has been increased with luxury brand models, while Kumho Tire has continued to refine its after-sales service system to extend product warranty period to “recover”. People's hearts." From the performance of the two companies in the 2013 Global Top 75 tires, they have shown an upward trend.

Hankook: supporting high-end luxury car brand transition to Chevrolet <br> <br> the largest number in China, coupled with Hankook Tire mainly in many Korean series models as well as some European and American brands in China mainly intermediate models supporting the market. Therefore, Hankook Tire basically wins market share. However, starting in 2008, Hankook Tire began to develop a strategy for the transformation of the brand to high-end. Since it became a partner of Audi A6L six years ago, in 2010, it began to cooperate with Ford’s high-end brand Lincoln, providing support for Lincoln MKT’s large-scale extended cross-country vehicles; in 2011, Hankook began to successively become the BMW MINI, the new 1 Series, The new 3 Series will provide support; in 2012, Hankook will start supporting Audi's new A6L and will be supporting the 2013 Chrysler 300AWD and Dodge Raiders under the Chrysler Group. In 2013, it began supporting Audi Q3, and continued to provide support for the new Lincoln MKZ. At the same time, it began to support the new BMW 5 Series and the new third generation of the X5. This is after the BMW MINI, the new 1 Series, the new 3 Series, BMW and Hantai. The fourth cooperation, mainly covered models include 520i, 528i, 530i, 535i and 520d, but also for the Mercedes-Benz new S-class and the new E-class and the new Mercedes-Benz E-class ultra-green BlueEFFICIENCY version models to provide support.

Hankook’s road to supporting luxury brands has not been smooth. Nandu reporter learned from the inside of Hankook Tire that it usually takes at least three years from the start of the order to the successful development of an accessory vehicle. Luxury brands such as Mercedes Benz, BMW, Audi, etc. must meet the tire wear resistance and wetland requirements at the same time. The two indicators of land strength until the recent years, Hankook reached this requirement on the technical level, it became the partner of the other side.

Kumho: focus on after-sales service extended warranty <br> <br> another Korean series Kumho tire companies, also occupy a higher market share in China. Since a few years ago, companies faced the brand trust crisis and began to focus on strengthening their after-sales service. The company extended the warranty period for its products and implemented VIP safeguard policies and special safeguard policies. Kumho China announced that Kumho Tire's “Three Guarantees” period will be extended to “in five years from the date of production or within one year from the date of invoice purchase”. Considering that the typical natural life of the tire is 4-5 years, the “three guarantees” period of Kumho Tire will be correspondingly extended to “the first five years from the date of production or within one year from the date of purchase invoice” to cover the entire life cycle of the tire; In the selection of “Three Guarantees” claims, the collection of wear fees is more lenient than the national standard. With the “wear over 2.0mm” standard, before the tire tread wear exceeds the scrap standard (1.6mm), due to manufacturing defects. Tire problems can be replaced with new tires. Last year, Kumho continued to expand the scope of quality assurance products, and new products can enjoy Kumho Tire's "VIP protection policy." After the user purchases the product, the impact drum kit that has been nail-pierced, scratched, or worn no more than 50% of the tire within one year can be replaced at any of Kumho's designated stores for free. As a result, in the post-sale survey of major multinational tire companies last year, they received a high degree of consumer acceptance.

Cobalt Alloy Powder

Cobalt-based alloy powders are commonly used in laser cladding processes due to their excellent wear resistance, high temperature strength, and corrosion resistance. These alloys typically contain varying amounts of cobalt, chromium, tungsten, and nickel, among other elements, to achieve specific properties.

The laser cladding process involves melting the cobalt-based alloy powder using a high-energy laser beam and depositing it onto a substrate to form a protective coating. This coating helps to enhance the surface properties of the substrate, such as hardness, wear resistance, and corrosion resistance.

Some common cobalt-based alloy powders used in laser cladding include:

1. Stellite: This is a well-known cobalt-chromium-tungsten alloy that offers excellent wear and corrosion resistance. It is often used in applications where high temperatures and abrasive environments are present, such as in oil and gas drilling tools, valves, and pump components.

2. Tribaloy: Tribaloy alloys are cobalt-based alloys that contain varying amounts of chromium, molybdenum, and silicon. They are known for their exceptional high-temperature strength and resistance to galling, making them suitable for applications in the aerospace, petrochemical, and power generation industries.

3. Haynes alloys: Haynes alloys are nickel-cobalt-chromium-molybdenum alloys that offer excellent high-temperature strength, oxidation resistance, and corrosion resistance. They are commonly used in applications where extreme heat and corrosive environments are present, such as in gas turbines and chemical processing equipment.

These cobalt-based alloy powders are available in various particle sizes and can be tailored to meet specific application requirements. They can be used with different laser cladding techniques, such as powder-fed laser cladding or blown powder laser cladding, depending on the desired coating thickness and properties.

Overall, cobalt-based alloy powders for laser cladding provide enhanced surface properties and improved performa

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Luoyang Golden Egret Geotools Co., Ltd , https://www.xtchvof.com

December 05, 2023