Product Introduction
Engineered for high-volume metal service centers, steel fabricators, and machinery builders, Sipu's industrial metal saw blade lineup utilizes premium M42 and M51 bi-metal construction to deliver minimal cost-per-cut on demanding materials. Whether you process structural steel tubing, solid die blocks, or tough 316 stainless alloys, our high-speed steel tooth tips and fatigue-resistant spring steel backer maintain straight cuts under heavy feed pressure.
Technical Specifications
| Width (mm / inch) | Thickness (mm / inch) | Tooth Pitch (TPI) | Hook Angle | Blade Type / Application |
| 27mm (1-1/16") | 0.90mm (.035") | 3/4, 4/6, 5/8 | 0° / positive | Structural steel tubes, pipes, and profiles |
| 34mm (1-3/8") | 1.10mm (.042") | 2/3, 3/4, 4/6 | 0° / positive | Solid bars, mold steel, and thick plates |
| 41mm (1-5/8") | 1.30mm (.050") | 2/3, 3/4 | 0° / positive | Heavy-duty alloy steel and large solid blocks |
| 54mm (2-1/8") | 1.60mm (.063") | 1.4/2, 2/3 | 0° / positive | Large-scale industrial cutting and high-alloy metals |
Core Competitive Advantages
1. Advanced Metallurgical Composition (M42 & M51 Grades)
Constructed with a premium high-speed steel cutting edge welded to a high-fatigue alloy steel backing strip. The M42 grade achieves an extreme tooth tip hardness of HRC 67-69, while our M51 grade provides enhanced carbide distribution for high-nickel and stainless steel alloys, ensuring extended operational cycles between blade changes.
2. Variable Pitch Vibration Control
Standard teeth often create resonant vibrations that accelerate wear. Our precision-ground variable pitch tooth design (e.g., 4/6 or 3/4 TPI) disrupts harmonic vibration patterns, leading to smoother surface finishes, reduced operator noise, and superior chip clearance in thick solid blocks or hollow structural profiles.
3. Rigorous Vacuum Heat Treatment
Utilizing multi-stage vacuum heat treatment and controlled tempering processes, our blades maintain structural elasticity in the backer while delivering maximum hardness at the tooth tip. This balance prevents premature cracking and blade twisting under high feed rates.
Export Packaging
Anti-Rust Protection: Every industrial metal saw blade is treated with high-grade anti-rust oil and vacuum-sealed in VCI (Volatile Corrosion Inhibitor) packaging.
Bulk Palletization: Packed in reinforced cardboard sleeves and secured within fumigation-free plywood crates to eliminate impact damage.
Flexible Fulfillment: Standard specifications ship within 48 hours from ready inventory; custom industrial weld loops require 7–14 business days.
FAQ
Q: What is the recommended break-in procedure for a new M42 metal cutting bandsaw blade?
A: To maximize blade longevity, run the new blade at approximately 50% of your normal feed rate for the first 15–20 minutes of cutting. This hones the micro-sharpness of the new teeth and prevents premature chipping under full industrial load.
Q: How do I select between M42 and M51 grades for stainless steel processing?
A: M42 is ideal for standard stainless steel and general structural alloy cutting. However, if your facility frequently cuts high-nickel alloys, titanium, or highly abrasive tool steels, M51 contains higher cobalt and vanadium content, offering superior wear resistance.
Q: What is your minimum order quantity (MOQ) for wholesale distributors?
A: Our standard wholesale MOQ for welded metal bandsaw blade loops starts at 10 to 20 pieces per size, allowing regional distributors to test market response with low initial capital investment. Trial sample orders are also supported.
Q: Can we request custom laser-printed branding or private labeling?
A: Yes. For bulk procurement orders, we offer complimentary laser marking services directly onto the blade backer, allowing you to display your company part numbers, specifications, or private brand logo.
Q: How should I determine the correct TPI (Teeth Per Inch) for thin-walled steel tubes?
A: For thin-walled tubes or structural profiles, you should choose a finer variable pitch such as 8/12 or 10/14 TPI. This ensures that at least 3 teeth remain engaged in the material at all times, preventing tooth stripping.
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