Steel CNC Machining Service

Our steel CNC machining services provide high-precision, high-efficiency solutions for a variety of steel materials, such as carbon steel, stainless steel, and alloy steel. Through advanced CNC machine tools and an experienced team of engineers, we are able to accurately machine complex steel parts to meet the needs of customers in the fields of aerospace, automotive manufacturing, industrial equipment, etc. Whether it is small batch customization or large-scale production, we can guarantee stable quality and efficient delivery cycle.

Why Choose Steel for CNC Parts?

The wide application and relatively low cost of steel make it highly economical in many industries, especially in machinery manufacturing, automobiles, aerospace and other fields. The characteristics and advantages of steel include:

Steel has very high strength and hardness, can withstand high loads and high pressures, and is suitable for applications that require high strength.

Steel has strong wear resistance and can maintain long-term stable performance in high-friction environments.

Steel is easy to cut, mill, drill and other processes through CNC machining (CNC machining), and is suitable for precision machining of parts with complex shapes.

Some specific types of steel (such as stainless steel) have good corrosion resistance and are suitable for applications in humid or harsh environments.

Steel has a relatively low cost and a long service life, with a high cost-effectiveness.

Steel can be welded, adapted to a variety of manufacturing processes, and its hardness, toughness and other properties can be adjusted through heat treatment.

Steel Parts Description

DetailsDescription
ApplicationsSteel parts are widely used in the production of structural parts, mechanical parts, etc. in industries such as automobiles, aerospace, construction, energy, mechanical equipment and tools.
StrengthsExcellent mechanical properties,High accuracy & repeatabillity
WeaknessesGreater geometry restrictions than 3D printing
Finishing OptionsSpraying, hot dip galvanizing, electroplating, chemical plating, phosphating, oxidation, polishing

CNC Machining Steel Parameters

DetailsDescription
Price$$
Lead Time3-12 Days for 1-50 PCS, 7-20 Days for 50-1000 PCS
Wall Thickness0.75mm
Tolerances±0.01mm
Max part size1000 x 600 x 600 mm
Carbon Steel1018,1045,1095,1144,1215,4130,4140,4340,Q235,45#
Tool SteelA2,D2,O1,S7,H13,M2,SKD11,S136,SKD61,40Cr,NAK80,718,S50C,S45C,1.7225

Fast CNC machining of steel parts using my own factory and network of partner suppliers

CNC Machining Workshop

Carbon Steel Materials 

1018 Steel

A low-carbon steel known for good machinability, weldability, and ductility. Commonly used for shafts, pins, brackets, and general-purpose structural parts requiring mild strength.

1045 Steel

A medium-carbon steel offering higher strength and hardness than low-carbon grades. It responds well to heat treatment and is widely used for shafts, gears, axles, and mechanical components.

1095 Steel

A high-carbon steel valued for very high hardness and wear resistance after heat treatment. Commonly used for springs, cutting tools, knives, and high-stress wear components.

1144 Steel

A resulfurized medium-carbon steel with excellent machinability and high strength. Often used for precision machined parts, shafts, studs, and components requiring tight tolerances.

1215 Steel

A free-machining low-carbon steel designed for high-speed CNC machining. It provides excellent surface finish but lower strength, making it ideal for fittings, fasteners, and turned parts.

4130 Steel

A chromium-molybdenum alloy steel offering good strength, toughness, and weldability. Widely used in aerospace structures, tubing, and automotive components.

4140 Steel

A heat-treatable alloy steel with high strength, fatigue resistance, and wear resistance. Commonly used for gears, shafts, crankshafts, and heavy-duty machine parts.

4340 Steel

A high-strength nickel-chromium-molybdenum steel known for excellent toughness and fatigue resistance. Ideal for highly stressed components such as aircraft landing gear, power transmission parts, and heavy shafts.

Q235 Steel

A Chinese standard low-carbon structural steel with good weldability and formability. Widely used in construction, frames, plates, and general structural applications.

45# Steel

A Chinese standard medium-carbon steel (equivalent to 1045) offering balanced strength, hardness, and machinability. Commonly used for shafts, gears, axles, and mechanical components after heat treatment.

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Tool Steel Materials 

A2 Tool Steel

An air-hardening tool steel with good wear resistance and dimensional stability. Commonly used for punches, dies, and cutting tools requiring a balance of toughness and wear resistance.

D2 Tool Steel

A high-carbon, high-chromium tool steel offering excellent wear resistance and high hardness. Ideal for cold-work dies, shear blades, and forming tools.

O1 Tool Steel

An oil-hardening tool steel known for good machinability and toughness. Widely used for knives, gauges, and general-purpose tooling.

S7 Tool Steel

A shock-resistant tool steel with excellent toughness and impact resistance, commonly used for punches, chisels, and tools subjected to heavy shock loads.

H13 Tool Steel

A hot-work tool steel with excellent thermal fatigue resistance and toughness. Commonly used for die-casting molds, forging dies, and hot extrusion tools.

M2 High-Speed Steel

A molybdenum high-speed steel offering high hardness and red-hardness. Ideal for cutting tools such as drills, taps, and end mills.

SKD11 Tool Steel

A Japanese standard cold-work tool steel equivalent to D2, known for high wear resistance and edge retention. Used in stamping dies and precision cutting tools.

S136 Tool Steel

A corrosion-resistant mold steel with excellent polishability and wear resistance. Ideal for plastic injection molds requiring high surface finish and corrosion protection.

SKD61 Tool Steel

A Japanese standard hot-work tool steel equivalent to H13, offering excellent heat resistance and toughness. Widely used in die-casting and hot forging molds.

40Cr Alloy Steel

A medium-carbon chromium alloy steel with good strength, hardenability, and wear resistance. Commonly used for shafts, gears, and mechanical components after heat treatment.

NAK80 Mold Steel

A pre-hardened mold steel offering excellent machinability and mirror polishability. Ideal for precision plastic molds and optical components.

718 Mold Steel

A pre-hardened mold steel with good toughness and uniform hardness. Commonly used for large and complex plastic injection molds.

S50C Steel

A high-carbon structural steel providing good strength and wear resistance. Used for mechanical parts requiring higher hardness after heat treatment.

S45C Steel

A medium-carbon steel known for balanced strength, toughness, and machinability. Widely used for shafts, gears, and general mechanical components.

1.7225 Steel (42CrMo4)

A chromium-molybdenum alloy steel offering high strength, toughness, and fatigue resistance. Ideal for highly stressed components such as crankshafts, gears, and heavy-duty shafts.

What We Can Do ?

In terms of CNC machining of steel materials, we provide high-precision custom processing services, including CNC turning, milling, drilling, grinding and other technologies, capable of processing parts with complex shapes. We also provide surface treatment services such as sandblasting, polishing, anodizing, etc. to improve the performance and appearance of steel parts. Whether it is small or large batch production, we can ensure on-time delivery and guarantee the accuracy and consistency of each part through strict quality control.

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Frequently Asked Questions

We provide a wide range of steel processing services, including carbon steel, stainless steel, alloy steel, and tool steel. No matter what type of steel you need to process, we can provide accurate processing services.

We use high-precision CNC machine tools to ensure that the machining accuracy of steel parts meets strict tolerance requirements, usually meeting the accuracy requirements within 0.005mm.

Our steel parts are precision-machined, have good strength and durability, and are suitable for high-load and high-pressure working environments. They are widely used in industrial equipment, automotive, and aerospace.

Yes, we provide small batch customization services to meet the different needs of customers, and can efficiently complete from prototyping to small batch production.

The processing time of steel parts will vary depending on the specific design and quantity. We will provide a clear delivery time based on your needs and order complexity to ensure on-time delivery.

We follow a strict quality control process, from raw material inspection to each step of the processing process, we conduct comprehensive inspections to ensure that each part meets quality standards.