Baimaoxing
Baimaoxing
Strategic inventory and custom manufacturing for global industrial leaders.
Gcr15 is the most widely used high-carbon chromium bearing steel in the world, equivalent to AISI 52100 (USA), DIN 100Cr6 (Germany), and SUJ2 (Japan). It is characterized by high hardness, uniform structure, and excellent fatigue resistance.
In the hierarchy of metallurgical performance, Gcr15 represents the "gold standard" for rolling elements. Its chromium content (1.40-1.65%) ensures deep hardenability, while the high carbon content (0.95-1.05%) provides the extreme wear resistance required for high-cycle industrial applications.
As of 2024, the global demand for bearing steel bars is surging, driven by the expansion of Electric Vehicles (EVs), Wind Power Generation, and High-Speed Rail. Modern EV motors require bearings that can withstand speeds up to 20,000 RPM, necessitating ultra-high purity Gcr15.
Supply chain shifts have positioned China as the primary manufacturing hub, not just for volume, but for "clean steel" technologies—smelting processes that minimize non-metallic inclusions, thereby drastically increasing bearing life.
Typical Gcr15 from standard suppliers meets basic hardness specs. However, our OEM Gcr15 Steel Bar offers "Information Gain" through superior micro-cleanliness. By utilizing vacuum degassing (VD) and electro-slag remelting (ESR), we reduce oxygen and sulfur content to levels that double the L10 fatigue life of the end product.
Located in Liaocheng City, Shandong Province, China, we are a premier integrated steel powerhouse specializing in R&D, advanced processing, and global technical services.
Our operational scope encompasses a massive spectrum: from precision Gcr15 bearing bars to aerospace-grade titanium and high-conductivity copper. We don't just supply metal; we provide engineering solutions through a scientific management model that serves military, petrochemical, and automotive sectors globally.
Why procurement teams from Europe, North America, and Southeast Asia choose our Liaocheng facility.
We provide customers with steel and its deep processed products. Our Gcr15 bars can be delivered as-rolled, annealed, or induction-hardened. We offer specialized cutting, centerless grinding, and surface polishing to meet ±0.01mm tolerances.
Being based in Liaocheng, the "Steel Capital," allows us to leverage a massive local ecosystem. This translates to lower raw material sourcing costs and lightning-fast logistics to Qingdao Port, ensuring your production line never stops.
The company has obtained ISO9001:2015 certification, and products carry SGS environmental testing reports. Our engineers bring decades of expertise in heat treatment metallurgy, providing a level of reliability that generic traders cannot match.
Where our OEM Gcr15 Bearing Steel Bars perform at their peak.
Used in CNC machine tool spindles and robotics. Our steel ensures minimal dimensional change after quenching, maintaining micron-level accuracy over thousands of operating hours.
From CV joints to transmission shafts. The high fatigue limit of our Gcr15 bars allows for downsizing of components without sacrificing torque capacity, a key requirement for modern fuel-efficient vehicles.
Used in the pins and bushings of hydraulic excavators. The combination of high hardness (HRC 60-64 after tempering) and impact toughness makes it ideal for harsh environments.
| Carbon (C) | 0.95 - 1.05 |
| Chromium (Cr) | 1.40 - 1.65 |
| Manganese (Mn) | 0.25 - 0.45 |
| Silicon (Si) | 0.15 - 0.35 |
| Phosphorus/Sulfur | ≤ 0.025 |
*Our internal standards often exceed ASTM A295 requirements to ensure ultra-low impurity levels.
Visualizing our commitment to excellence through state-of-the-art facilities.
Expert answers to common procurement and technical queries.
Comprehensive steel and non-ferrous metal inventory for global distribution.
