Recently, Liangang’s independently developed B318 high-end bimetallic saw blade steel has achieved stable industrial production, and the product performance has reached the international advanced level, filling the domestic technology gap. This marks that Liangang has made important progress in the field of high-performance metal cutting steel and provides key raw material guarantees for the domestic manufacturing industry.
As a core tool in the cutting field, bimetallic saw blades demand extremely high backing material strength, toughness, and fatigue life, and high-end products have long relied on imports. Prior to developing the B318, Liangang had accumulated extensive experience in producing similar products and conducted numerous expert discussions. Through innovative composition systems, pure steel smelting technology, and high-dimensional precision controlled rolling processes, they overcame technical bottlenecks and achieved successful production on the first development. Testing confirmed that the product’s composition and performance indicators met technical standards, offering significant advantages over similar products.
B318 high-end bimetal saw blade steel
1.Higher – Ultra-high hardness: After heat treatment, the hardness can reach over 58 HRC, significantly improving cutting efficiency and precision.
2.Stronger – Strong and tough: 10% stronger and 30% tougher than similar products, suitable for long flexible cutting tools (such as bandsaw blades).
3.Longer-lasting – Significantly extended service life: After appropriate heat treatment, fatigue life can be increased by over 25%.
4.Better value for money – Performance comparable to imported products, with better value for money and faster delivery times, more than doubled.
Specialization and Innovation
Liangang offers a comprehensive range of medium- and high-carbon steel grades, featuring excellent toughness, high hardenability, and high wear resistance. These grades are widely used in saw blades, saw blades, springs, automotive parts, cutting tools, and hardware. Key saw blade grades include X32, D6A, RM80, and 75Cr. The stable production of Liangang’s B318 saw blade steel has broken the monopoly of foreign companies on the high-end saw blade steel market, reducing the domestic metalworking industry’s reliance on imported materials and helping to reduce costs and increase efficiency across the industry chain.
Leveraging its national enterprise technology center platform and dedicated teams, Liangang continues to delve into the research and development of high-end products in niche areas. This breakthrough further consolidates Liangang’s technological position in the specialty steel sector and lays the foundation for subsequent expansion into the high-end market. As a core enterprise under the Hunan Iron and Steel Group, Liangang has driven its development through technological innovation for many years. This achievement once again demonstrates its “specialized, sophisticated, and innovative” R&D capabilities, boosting the localization of China’s high-end manufacturing industry.