Steel CNC Machining

Steel CNC Machining

Steel offers high hardness, high strength, good weldability, corrosion and temperature resistant, making the material suitable for industrial applications.

Steel CNC machining is suitable for applications that require good mechanical properties, good machinability and weldability, high stiffness, wear and corrosion resistance.

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Our Steel Materials

We offer steels for CNC machining including 40Cr, 45#, Q235, and SUS304. Utilize steel CNC machining to create strong, durable, and complex part quickly. Various surface finishing options are available for steel CNC parts.

Material Properties Max. Machining Size Standard Lead Time Tolerance Color


Good Mechanical Properties; High Hardness and Toughness; Low Temperature Impact 1000mm * 1000mm * 600mm 4 Business Days 0.025/0.05/0.1 mm Sliver


High Strength; Wear Resistance; Good Cutting Machinability 1000mm * 1000mm * 600mm 4 Business Days 0.025/0.05/0.1 mm Sliver


High Strength ;Good Plasticity; Good Weldability 1000mm * 1000mm * 600mm 4 Business Days 0.025/0.05/0.1 mm Sliver


Good Corrosion Resistance ; High Strength; Good Machinability 1000mm * 1000mm * 600mm 4 Business Days 0.025/0.05/0.1 mm Sliver

Material Performance

Material Performance

  • Excellent Machinability and Weldability
  • High Strength and Toughness
  • High Hardness and Stiffness
  • Wear, Fatigue, and Corrosion Resistant
Material Performance


  • Low maintenance costs. Steel CNC parts have longer lifespan than other metals due to great dimensional stability.
  • Robust and durable parts. Featuring excellent mechanical properties, great resistance, and good machinability, making high quality parts with steel CNC machining is feasible.
  • Wide range of material options. There are multiple types of steels such as mild steel, alloy steel, stainless steel, and tool steel, etc, which deliver possibilities to select the most suitable steel to make CNC parts.


> Medical Instruments

> Construction Equipment

> Automotive Parts

> Machine Parts

> Vacuum and Pressure Vessels


How to CNC machining Steel?



Step 1. Convert the CAD file into a language that CNC machines can work with, that's G-code.


Step 2. The operator will place the steel workpiece that is cut to a specific size on the machine bed. Then it is time to mount the steel workpiece on the machined bed or by a vice.


Step 3. As the computer controls the CNC cutting tools to move to the pre-set coordinates, so precise positioning and alignment of the steel workpiece is significant to manufacture high-accuracy parts. Special metrology tools, probes, for instance, are ideal solutions for this step.


Step 4. Then, the steel workpiece is ready for machining. The machine uses professional cutting tools and rotating the at high speeds to remove material from the workpiece. However, at the very first steps, the machine removes at a relatively low speed and accuracy to gain an approximate geometry.


Step 5. Sometimes, the model is not being to achieve full features by single setup from the cutting tools, then to flip the steel workpiece is necessary.

Frequently Asked Questions

1. How much does it cost to CNC machining steel parts?

Prices are based on the structure of the part, order volume, machining processes, etc. You can use our instant quoting engine to get price, or you can email for more information.

2. What is steel CNC machining?

Steel CNC machining is the process of cutting and removing excess materials on the steel workpiece until the final object with desired geometries.

3. What kind of finishes are possible with steel CNC machining?

We provide various surface finishing options, including as machined, polishing, sandblasting, plating, coloring, lase etching, heat treatment, screen printing, anodizing, etc. Please check details Here.

4. What do Steel Grade Numbers Mean?

For SAE/ASTM 10XX steels, the last two numbers are the approximate carbon content. For example, 1008 steel contains about 0.08% carbon and 1018 steel contains about 0.18% carbon.

5. Is stainless steel magnetic?

Because the predominant element in steel—iron—is magnetic, most steels do have magnetic properties. This is true of many stainless steels, too. All the ferritic, martensitic, and precipitation hardening grades are magnetic. The high nickel and chromium contents of the T300 series of austenitic stainless steels renders the alloys initially non-magnetic. For instance, a common austenitic steel, 304 stainless contains 18% chromium and 8% nickel. However, these alloys can also become magnetic during the cold-working processes used to harden them.

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