Custom Online Mild Steel CNC machining services for you
Mild Steel CNC machining services
- 24/7 machining ensures we’re always ready to deliver
- Tolerances up to ±0.0004″ (0.01mm)
- Lead times as short as 1 day.
Overview of Mild Steel in manufacturing
Our Custom Online Mild Steel CNC Fabrication Service provides tight-tolerance processing for Mild Steel parts, guaranteeing outstanding exactness and craftsmanship. Using advanced CNC equipment, we efficiently machine challenging geometries while offering quick delivery schedules and customized services tailored to meet your precise job needs.

《 Properties
Carbon steel is a common material choice in CNC machining, valued for its strength and adaptability across different applications. Its hardness makes it suitable for producing tools and mechanical parts that must withstand heavy use. The ease of machining carbon steel, however, depends on how much carbon it contains—steels with higher carbon levels tend to be tougher and more resistant to cutting, which can complicate the machining process..

Parameters
When working with carbon steel, selecting the right cutting parameters and tools is essential. Low-carbon grades allow for faster machining with higher speeds and feeds. In contrast, high-carbon variants demand a more cautious approach—slower speeds and careful monitoring of tool wear. To handle the demands of harder steel, tools made from carbide or high-speed steel are generally recommended, as they maintain performance under tougher conditions.

Precautions
Effective temperature control is key when machining carbon steel, as too much heat can quickly wear down tools or alter the shape of the part. Applying coolant correctly helps manage this heat. It’s also important to keep chips from piling up, since poor chip evacuation can harm the surface of the workpiece. Choosing tools with suitable materials and shapes plays a big role in ensuring long tool life and reliable cutting performance.
Why Mild steel is ideal for CNC machining?
Mild steel is considered ideal for CNC machining due to its versatility, affordability, and ease of machining. This type of steel has a low carbon content, making it softer and more malleable than other types of steel. This allows for smoother and more precise cuts during the CNC machining process. Additionally, mild steel is readily available in a variety of shapes and sizes, making it a cost-effective option for manufacturing projects. Its inherent strength and durability also make it suitable for a wide range of industrial applications. Overall, mild steel's properties make it a popular choice for CNC machining projects.
Benefits of working with Mild steel at TONZA
Working with Mild Steel at TONZA offers numerous benefits to professionals in various industries. Mild steel is known for its durability, strength, and versatility, making it an ideal choice for a wide range of applications. Its malleability allows for easy shaping and forming, while its cost-effectiveness makes it a popular option for budget-conscious projects. Mild steel also boasts good weldability and machinability, making it a practical choice for fabrication processes. At TONZA, we ensure top-quality mild steel products that meet industry standards and exceed customer expectations.
Why Choose ours Mild Steel CNC machining services?

Each piece is produced to tight tolerances of ±0.01 mm, guaranteeing a flawless alignment to design.

We work with reliable material suppliers to provide high-quality quality materials for your components.

Get quick and exact DFM reviews to enhance your plan for production and accelerate output.

With in-depth market knowledge, we offer reliable the substance CNC fabrication options.
Capabilities of Mild Steel CNC machining services
Our CNC machines deliver precision tolerances that meet industry standards, ensuring consistent accuracy and seamless component fit.

Tolerances
±0.05mm
Premium-grade tech solutions to provide you with reliable quality you can trust.

Max part size
500 mm x 500 mm
Elegantly designed innovation to provide you with crafted for superior durability.

Min part size
5 mm x 5 mm
Vast practical knowledge, expertise in producing sophisticated parts.

Lead Time
< 10 days
Strong and structured management system, and fast and efficient production cycles

Surface Finish
Ra 0.8-1.6 µm
Efficient group supervision, and maximized production.

Wall Thickness
0.75 mm
Well-versed in the field, skilled in managing intricate product designs.
Typical of Mild Steel Material
Optimize your designs for manufacturability with our expert guidelines and feedback, ensuring the best results in CNC machining.
Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Fatigue Strength (MPa) | Elongation (%) | Hardness (HRC) | Density (g/cm³) | Applications |
---|---|---|---|---|---|---|---|
AISI 1005 | 340–420 | 210–280 | ~150 | 25–30 | <10 | 7.87 | Wire, deep-drawn parts, fasteners |
AISI 1008 | 370–440 | 220–310 | ~160 | 28–34 | <12 | 7.87 | Automotive panels, stamping, tubing |
AISI 1010 | 380–460 | 240–320 | ~170 | 25–30 | 10–15 | 7.87 | Cold-formed parts, structural sheets |
AISI 1015 | 400–480 | 250–340 | ~180 | 20–25 | 12–18 | 7.87 | Gears, shafts, automotive hardware |
AISI 1018 | 440–470 | 370–400 | ~240 | 15–25 | 12–20 | 7.87 | CNC machined parts, shafts, rods, bolts |
A36 (Structural Steel) | 400–550 | 250–400 | ~200 | 20–23 | 10–18 | 7.85 | Construction beams, plates, structural applications |
Commonly Used Mild Steel Types
Our CNC systems offer precision tolerances that satisfy market standards, ensuring uniform exactness and flawless piece fit.
Parameter | Typical Value (Roughing) | Typical Value (Finishing) | Notes |
---|---|---|---|
Spindle Power | 5–15 kW | 3–10 kW | Depends on machine type and material volume |
Spindle Speed (RPM) | 500–1,500 RPM | 1,500–3,000 RPM | Higher speeds for smaller tools or finishing passes |
Feed Rate (mm/min) | 300–1,200 mm/min | 150–600 mm/min | Based on tool diameter and depth of cut |
Cutting Depth (mm) | 2–4 mm (rough cut) | 0.5–1 mm (finish cut) | Avoid deep cuts in one pass; may cause vibration or deflection |
Cutting Width (mm) | 50–70% of tool diameter | 10–30% of tool diameter | Light engagement for better surface finish |
Cutting Tool Material | Carbide (preferred), HSS (acceptable) | Coated carbide for better wear resistance | TiAlN/TiCN coatings recommended |
Tool Path Strategy | Climb milling, trochoidal milling | Climb milling or contour finishing | Trochoidal milling helps reduce heat and wear |
Coolant Type | Water-soluble coolant (emulsion type) | Same as roughing | Helps with heat dissipation and chip evacuation |
Cutting Fluid Flow Rate | 8–12 L/min | 6–10 L/min | Maintain steady flow to avoid overheating |
Pitch (mm/tooth) | 0.05–0.2 mm/tooth | 0.01–0.08 mm/tooth | Adjust depending on tool and rigidity |
Tool Wear Rate | Moderate | Lower with sharp tools and proper cooling | Monitor tool condition regularly |
Surface Finish (Ra µm) | 1.6–3.2 Ra | 0.8–1.6 Ra | For finer finish, consider polishing or grinding |
Surface Treatment of Mild Steel
We ensure a large assortment of CNC materials for individually crafted parts, including cooper, brass, steel, plastics, aluminum, and over 100 other materials.
Brushing
Polishing
Tumbling
Anodizing
Black Oxide
Electroplating
Powder Coating
Alodine
Passivation
Electroless Plating
Application Industries of Mild Steel
From automotive to aircraft, Tonza’s CNC milling satisfies the precise needs of various industries. We work with individual innovators, designers, and enterprise organizations, serving over 1,000 partners worldwide.
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FAQ about Mild Steel
For a clearer understanding of what we offer, here are FAQs on our Mild Steel CNC machining process.