High-speed rail with a speed of 350 kilometers per hour and 100 meters, 0.4mm ultra-thin aluminum plate, 430g/m2 thick zinc layer, zinc aluminum magnesium products… Each number represents a technological peak, and each breakthrough is to fill the domestic gap. These are the recent achievements of HGTG Alloy Technology Group. . .
Over the past three years, HGTG has focused on the industry’s first, only and alternative R&D of imported products, accelerating the creation of more “single champions” in the fields of ultra-high-strength automotive steel, film-coated home appliances, offshore steel, and 24 products have been filled Domestic gaps, Ni-series marine environment-resistant bridge steel and other products have broken foreign monopolies, and continue to maintain the industry position of the domestic first major electrical panel and the second largest automotive steel supplier, and the leading enterprise in nuclear power, marine engineering and construction bridge steel.
Breaking the monopoly, Ni series marine environment-resistant bridge steel helps localization
On June 5, the key projects of the “Belt and Road” and the continuous beams of the tail section of the Fuxia High-speed Railway-Quanzhou Bay Cross-sea Bridge were completed, marking the successful completion of the main project of the tail section. Hegang has accumulatively supplied more than 10,000 tons of 1Ni marine environment-resistant bridge steel plates for this project, all of which are used for the construction of key load-bearing parts.
1Ni marine environment-resistant bridge steel plate is recognized by the industry as one of the "new century green and environmentally friendly steel grades". It is an iconic product that reflects the competitiveness of steel companies in research and development. It is mainly used in bridges, construction machinery, marine facilities and other fields. In addition to toughness, high strength, fatigue resistance, laminar tear resistance and other characteristics, it also has good weldability, easy processing, and corrosion resistance in marine environments. The successful R&D and production of this steel has broken the monopoly position of Japanese steel companies in 1Ni ocean-resistant bridge steel, and played an exemplary role in the development of domestic 1Ni ocean environment-resistant bridge steel plates and the localization of marine environment-resistant bridge steel required for major national projects. .
In addition to the 1Ni marine environment-resistant bridge steel plate, 3.5Ni steel breaks the monopoly of foreign countries and replaces imports. It is used in the construction of the ethane spherical tank of Sinopec's first LNG project, the Shandong LNG project receiving station project.
9Ni steel, 5Ni steel and other Ni series ultra-low temperature steel, with excellent performance, can withstand the test of severe high temperature, high pressure, strong corrosion and other severe service conditions, in low temperature tower, low temperature transport tanker, LNG liquefied natural gas storage tank, LEG liquefied ethylene It is widely used in the manufacturing of low-temperature pressure vessels such as storage tanks.
The ultra-low temperature 9Ni steel developed by HGTG "helps make" the first domestic LNG carrier "Dapenghao".
At present, HGTG is the manufacturer with the most complete production specifications of Ni-based ultra-low temperature steel in China. Regardless of whether it is land or ocean, Hegang Ni series ultra-low temperature steel can be perfectly suitable to meet the needs of the continuous development of coal chemical and petrochemical industries.
International leader, successfully rolling the world's fastest 100m high-speed rail
On June 14th, the production line of HGTG large-scale rolling mill, overhead crane shuttled continuously over the plant. A red rectangular billet quickly turned into a length of more than 100 meters under the "kiss" rolling of the rolling mill. Rails "Dragon"…
This is a 350km/h 100m high-speed rail tailored for the national railway project Lunan High Speed Rail, and it is currently the world's highest-speed high-speed rail. The total contract order is 22,000 tons, and the first batch of more than 4,000 tons has been shipped, helping the high-speed rail drive out of super speed and fly on the ground.
High-speed rail is the artery of national economic development, and rail is an important material for the construction of high-speed rail. Rail production is strong in continuity, the smelting process is complex, and rolling is difficult. It belongs to the "high, precise, sharp, and special" steel grades and represents the manufacturing level of iron and steel enterprises. Compared with other heavy rails for railways, 350 km/h high-speed rails are extremely demanding in terms of inclusions, dimensional accuracy, flatness, and surface quality, and are extremely challenging for quality requirements and production difficulties.
HGTG is the first enterprise in China to introduce foreign 100m heavy rail online quenching technology, equipped with the world's advanced rail beam production line. From the trial production in 2009 to now, we have mastered more than 70 core technologies and obtained more than 40 patented technologies. We have relied on independent innovation for a short period of 9 years and walked the path of our peers for decades. Heavy rail products have passed the CRCC review and obtained the European export "pass", becoming the only enterprise in China that has passed the European standard certification, realizing the leap from rail production to follow-up and running to leading.
In the first four months of this year, HGTG heavy rail production and sales increased by 43.1% year-on-year. The products are widely used by 12 main railway lines of 8 railway bureaus such as Shanghai and Xi'an and subways of 9 cities such as Chengdu, Taiyuan and Qingdao. They have also gone abroad and participated in the foundation of more than 10 countries and regions along the “Belt and Road” Facilities construction.
Filling the gap, successfully rolling off the extreme thick zinc layer zinc aluminum magnesium products
430g/㎡ zinc layer is the highest level in the international standard of zinc aluminum magnesium products.
HGTG zinc aluminum magnesium products have realized the replacement of traditional steel materials and imported zinc aluminum magnesium.
On May 21, this extreme thick zinc layer zinc aluminum magnesium product was successfully rolled off the line at HGTG, once again filling the domestic gap. The ultra-thick coating amount makes the steel plate have extremely high corrosion resistance and can resist the erosion of harsh climate environments such as deserts and tidal flats. It is an ideal construction material for large-scale photovoltaic power stations.
This batch of steel for brackets developed for the photovoltaic industry is used to replace the traditional structural galvanized products widely used in the photovoltaic industry. Compared with the latter, the coating, adhesion, uniformity and compactness of the zinc-aluminum-magnesium layer of the ultimate zinc layer are higher, and it is not easy to fall off in the later complex processing. While the performance is better, the product can save more than 50% of zinc resources , And there is no pollution of the plating agent used in the extensive post-dip galvanizing process, the environmental protection and cost advantages are extremely obvious.
Super corrosion resistance, is the first label of zinc aluminum magnesium products, at the same time the self-healing of the incision, excellent wear resistance and scratch resistance and better paintability and weldability, making it suitable for various processing, can greatly reduce The damage to the mold of the production and processing line of automobile sheet has reduced the cost of user materials, which is currently a popular direction of production research and development in the same industry at home and abroad.
HGTG targets the 0.3mm-2.0mm thickness specifications that are more widely used in the home appliance and automotive industries, and vigorously develops production line upgrades and product development. On May 28, the first roll of zinc, aluminum and magnesium products of HGTG high-strength automotive sheet was successfully rolled out, bringing a more optimized material use plan for the home appliance and automotive industry applications.
Nowadays, HGTG zinc aluminum magnesium products have been widely used in various industries such as photovoltaic thermal, high-end door industry, home appliances, auto parts, etc., and have achieved the replacement of traditional steel materials and imported zinc aluminum magnesium.
The first in China, the thickness specification of the ultra-thin aluminum plate is "full coverage"
On May 26, HGTG's 180-ton 0.4mm aluminum plated product for a well-known car company was successfully rolled out, which is faster and more stable than the first batch of products of the same specification produced this year.
HGTG has become the only company in China with the mass production capacity of 0.4mm-3.0mm full-thickness aluminum plate products.
Aluminized plate is a material with good corrosion resistance, heat resistance and heat radiation performance. Compared with galvanized steel plate with the same coating thickness, the corrosion resistance is improved by 3-6 times. Compared with stainless steel, cast iron and other materials commonly used in car bodies, it meets the needs of lightweight, high-performance and low-cost automotive steel, and is increasingly favored by auto manufacturers. It is widely used in automotive exhaust pipes and engine insulation Body parts such as covers.
This batch of products not only has better performance indicators and surface quality than the customer's requirements, but the R&D personnel also developed a set of domestic first steel plate surface post-treatment methods according to customer requirements to improve the lubricity of the steel plate surface and reduce the customer's coating surface during the stamping process Damage to further extend product life. With high-quality products and services, Hegang became the "exclusive supplier" of the customer.
Not long ago, HGTG's tailor-made aluminum plate for high-end home appliances was processed at the Foshan base in the United States. It was used in key parts such as the outer rear panel, U panel, and top rear panel of the microwave oven. All the indicators met the customer's needs and achieved Another breakthrough in alternative imports.
The self-developed ultra-thick coating high-surface-quality aluminum-plated products have traveled across the oceans and participated in the construction of oil and gas pipeline projects in the UAE, Vietnam and other countries along the “Belt and Road”.
The world's only, seventh-generation home appliance board leads consumer fashion
Since the beginning of this year, Haier’s high-end refrigerators, which use HGTG’s seventh-generation home appliance board, DVM digital printed color board, have continued to be popular in online “explosive models” and continue to lead consumer fashion.
The DVM series has the only industry status in the world. Among them, Moore's imprinted products, the beautiful patterns on the steel plate can be seen and touched, and give consumers a double surprise experience of visual touch. After sales, the sales continue to rank on the Tmall V list. Number one.
"The home appliance board should not only be a cold steel plate, but also more temperature." This is the understanding of Hegang people on home appliance boards. As a leader in the global coated board industry, HBIS continuously improves the design and production process of coated boards, draws inspiration from fashion shows such as global auto shows and fashion shows, and surveys consumers' cutting-edge needs for colors, materials, and patterns. The stylish appearance of home appliances, constantly changing and upgrading products, to meet the best experience of users, and always achieve a generation of products leading the market.
At the same time, HGTG endows the steel plate with antibacterial, fingerprint-resistant, and wear-resistant characteristics according to the application and usage environment of home appliances. Among them, the antibacterial function effectively solves the pain point of bacteria on the surface of the refrigerator, and has completed a specially customized appearance for many brands and models such as Haier refrigerators and high-end Casa Di washing machines.
HGTGDVM color board products have been launched in 5 categories including HelloKitty, Pony Crossing, City Password, Impression Realm and Moore's Mark. The cute images of Kitty and other children who couldn't put it down were printed on the home appliance board, and the refrigerator and washing machine were brought to the side. The photos taken by people, through 3D digital and other process technologies, can make personalized products on the home appliance board, make the home appliances full of imagination, and bring new choices to consumers for stylish home, healthy life, and high-end quality.
HGTG has won the “Gold Rubik's Cube Award”, the highest award from Haier suppliers for four consecutive years, and has achieved “full coverage” of well-known brands of home appliance boards, ranking first in the domestic home appliance supplier.