Product Introduction
This carbon steel blade is supplied for cutting mild steel, low-carbon steel, tubing, profiles and non-ferrous stock. The body is high-carbon steel; tooth tips are induction hardened. Welded loops are made to the machine length you specify. Widths run from 13 mm to 41 mm, with variable pitch options from 3/4 to 8/12 TPI. For stainless steel, tool steel and high-alloy work, use the M42/M51 bi-metal range instead; the carbon steel edge wears faster on those materials.
Specification
| Item | Data |
| Blade body | High-carbon steel |
| Tooth tip | Induction hardened |
| Width | 13, 16, 19, 27, 34, 41 mm (54 mm on request) |
| Tooth pitch | 3/4, 4/6, 5/8, 8/12 TPI |
| Tooth form | Variable pitch |
| Welded loop length | Made to your machine length |
| Weld flatness deviation | Within 0.02 mm |
| Surface treatment | Anti-rust oil, VCI paper, vacuum seal |
| MOQ | 10–20 welded loops or 5 coils |
| Standard lead time | 48 hours from stock |
| Custom/bulk lead time | 7–14 working days |
Construction and quality control
Coils are cut on automatic infrared CNC slitting machines. The joint is laser butt-welded, then tempered; weld flatness deviation is held within 0.02 mm. Heat treatment uses infrared temperature-controlled annealing. Tooth tips are induction hardened, while the backing steel is tempered to maintain fatigue resistance during repeated bending over the wheels. Finishing includes 2000-grit polishing, anti-rust spray and a tooth guard strip.
Incoming steel is checked on a spectrometer. Tooth geometry is measured with an image measuring instrument. Heat-treatment structure is examined on a metallographic analyzer. These checks apply to each production batch, not to finished blades only.
Applications and tooth selection
For mild steel solid bars, use a coarse pitch such as 3/4 or 4/6 TPI; the larger gullet clears chips before they pack in the cut. For thin-wall tube and profile, use 8/12 or 5/8 variable pitch to reduce tooth stripping on the wall. Variable pitch interrupts resonance in the cut; measured noise reduction is about 15 dB compared with a constant-pitch blade of the same width. The blade runs on standard horizontal band saws; welded loops are sized to the machine, so the tension and wheel diameter match the blade you receive.
Wholesale, marking and packing
Welded loops and coils are both available. Sample orders can be supplied before a bulk run. Standard specifications ship within 48 hours from stock; custom lengths and bulk orders take 7–14 working days. Production runs on 7 automatic lines, with a standard-spec daily capacity of 3,000+ pieces. For bulk orders, laser marking is available for your brand name and tooth specs. Each blade is coated with anti-rust oil, wrapped in VCI paper, vacuum sealed and packed in reinforced cartons or plywood crates; the packing is rated for 60+ days of sea freight.
FAQ
Q: What is the difference between this carbon steel blade and your M42 bi-metal blade?
A: This blade has a high-carbon steel body and induction-hardened teeth. It is intended for mild steel, low-carbon steel and non-ferrous work. M42 has a cobalt HSS tooth tip and a alloy backing; it holds hardness at higher cutting temperatures and is the correct choice for stainless steel, tool steel and high-alloy stock.
Q: What is the MOQ, and can I test samples before a bulk order?
A: MOQ is 10–20 welded loops or 5 coils. Sample orders are available for quality testing before a bulk run.
Q: Can you weld to a specific machine length and laser-mark our brand?
A: Yes. Welded loops are made to the length you specify. For bulk orders, laser marking is available for your brand name, logo and tooth specifications on each blade.
Q: What is the lead time for standard sizes and custom orders?
A: Standard specifications ship within 48 hours from stock. Custom lengths and bulk orders take 7–14 working days.
Q: How are the blades packed for sea freight, and how long is the anti-rust protection?
A: Each blade is coated with anti-rust oil, wrapped in VCI paper, vacuum sealed and packed in reinforced cartons or plywood crates. The packing is rated for 60+ days of sea freight.
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