Baimaoxing
Baimaoxing
In the contemporary landscape of precision engineering, the demand for high-performance materials that optimize production cycles is at an all-time high. Free cutting steel bars, characterized by their exceptional machinability, have become the cornerstone of high-speed CNC machining. By incorporating elements such as sulfur (S), phosphorus (P), lead (Pb), or calcium (Ca), these steel grades are engineered to produce small, brittle chips that break easily during machining, significantly reducing tool wear and improving surface finish.
The global shift towards "Green Manufacturing" is currently driving a trend from leaded free-cutting steel (like 12L14) toward environmentally friendly, lead-free alternatives (such as 11SMn30). As a leading Free Cutting Steel Bar Manufacturer, we are at the forefront of this transition, ensuring our metallurgical processes meet both performance requirements and stringent environmental regulations like RoHS and REACH.
Standard carbon steel often causes "built-up edge" on cutting tools. Our free-cutting variants increase machining speeds by up to 40% compared to standard grades, allowing for 24/7 automated production with minimal downtime.
Procurement officers in the US, EU, and Southeast Asia are increasingly prioritizing Supply Chain Resilience. Fluctuating raw material costs and logistical uncertainties demand a partner who offers stable pricing, inventory buffering, and consistent quality. We provide comprehensive logistics support and DAP/DDP shipping options to minimize risk for our international clients.
Our facility in Shandong represents the pinnacle of Industry 4.0. By integrating IoT sensors in our rolling mills and cold-drawing lines, we achieve dimensional tolerances as tight as h8 to h11. Automated QC systems scan every bar for surface defects, ensuring that the material fed into your CNC machines is flawless.
Beyond standard round bars, we offer hexagonal, square, and custom profiles. Our deep processing capabilities—including heat treatment, straightening, and precision cutting—ensure that you receive a semi-finished component rather than just a raw material.
Years Experience
Annual Tonnage
Countries Exported
9001 Certified
Shandong Baimaoxing Iron and Steel Co., Ltd. is located in Liaocheng City, Shandong Province, China. We are a large steel supplier specializing in research and development, processing, sales, and technical services. Our business covers a vast array of metallurgy including Free Cutting Steel Bars, stainless steel pipes, copper tubes, and titanium alloys. Baimaoxing adopts a scientific management model, and its products are widely used in aerospace, military equipment, petrochemicals, automotive parts, and precision machining.
Grades: 4140, 4130, 4340. Thickness 6-600mm. Perfect for heavy-duty shafts and structural components requiring high fatigue strength.
Cold-rolled MS round tubes for fluid delivery and mechanical manufacturing. High pressure resistance and smooth internal surfaces.
Direct factory sales with bending and welding services. Thickness 6mm-12mm, ideal for construction and ship building.
Precision Rolling Equipment
Advanced R&D Laboratory
Our quality control protocol involves spectroscopic analysis of every heat of steel, ultrasonic testing for internal voids, and laser micrometers for diameter precision. We understand that in high-speed machining, even a 0.05mm variance can cause significant tool damage.
Certifications: ISO 9001:2015, SGS Environmental Testing, EU ROHS Compliance.
Critical for fuel injectors, transmission valves, and sensor housings. Our free-cutting steel ensures the high volume production required by T1 automotive suppliers.
Small diameter bars used for pins, sockets, and precision screws in consumer electronics and telecom hardware.
Ideal for piston rods and valve bodies where internal surface finish is paramount to prevent seal leakage.
Used in non-implantable components like surgical tool handles and diagnostic equipment frames.
