1. 首页
  2. »
  3. 数控加工服务
  4. »
  5. Steel CNC Machining Service

Steel CNC Machining Service

Engineer tight-tolerance, high-precision CNC machined steel components with complex geometries through Tuowei Precision’s advanced manufacturing solutions. Upload your CAD models today for a fast, competitive online quote.

Collection of CNC machined steel parts: a long turned shaft, threaded housing, flanged bushing, bracket and flange rings

Steel in CNC Machining

At Tuowei Precision, our CNC steel machining services handle everything from rapid functional prototypes to high-volume production components. Because carbon and alloy steels are susceptible to surface oxidation, we provide integrated post-processing—including black oxide, zinc plating, carburizing, and heat treatments—to ensure optimal environmental protection and long-term mechanical reliability.

Alloys availableCarbon Steel: 1018, 1020, 1025, 1045, 1215, 4130, 4140, 4340, 5140, A36, ST37
Alloy Steel: 4J36
Die Steel: 718H, P20, S136, S7
Chisel Tool Steel: D2/SKD11, SKD61
High Speed Steel: SKH51 Spring Steel: 1566, 9260 Tool Steel: A2 Bearing Steel: E51100/SUJ1, E52100/SUJ2
Galvanized Steel: SGCC / SECC SPCC
价格Flexible / Cost-Effective ($$)
准备时间Under 10 days
壁厚0.75 毫米
公差±0.125 mm (±0.005 in)
最大部件尺寸200 x 80 x 100 厘米
CNC machined steel sleeve with a smooth brushed finish and precision-bored hollow center

Steel CNC Machining Materials

Steel Material Properties

Copper C103 provides high electrical conductivity with good formability and reliable machining performance. It is commonly used for connectors, terminals, electronic components, and applications that require efficient current flow.

Tensile Yield (MPa)
180 - 450
疲劳强度(MPa)
200 - 300
断裂伸长率 (%)
10 - 25
硬度(布氏)
120 - 250
密度(g/cm³)
7.8 - 8.0

Advantages and Limitations of Steel CNC Machining Service

Get precise, high-quality steel CNC machined parts with tight tolerances and complex geometries. Send us your design and request a fast quote for your steel CNC machining project.

优势
  • High Electrical Conductivity: Provides low electrical resistance and minimal power loss, ensuring optimal current transfer for terminals, connectors, and busbars.

  • High Thermal Conductivity: Efficiently dissipates heat away from critical assemblies, making it the preferred choice for heat sinks, cooling plates, and heat exchangers.

  • 耐腐蚀: Naturally develops a protective surface oxide layer that shields parts from atmospheric oxidation, water exposure, and industrial chemicals.

  • Malleability and Ductility: High material flexibility enables smooth cold forming and the machining of intricate, detailed features without brittle fracturing.

  • Antimicrobial & Biostatic Properties: Inhibits bacterial proliferation and microbial buildup, making it exceptionally reliable for healthcare equipment, laboratory instruments, and sanitary systems.

  • 耐用性: Offers long-term structural integrity and resistance to operational fatigue, lowering maintenance downtime and replacement costs.

Limitations
  • Risk of Corrosion:
    Some steel grades can rust or corrode without proper surface treatment, coating, or protective finishing.
  • Higher Weight:
    Steel is heavier than materials such as aluminum, which may not suit applications where low weight is a priority.
  • Increased Tool Wear:

    Harder steel grades can wear cutting tools faster and may require slower machining speeds and more frequent tool replacement. 

  • Longer Machining Time:
    High-strength steels can take more time to cut and finish, especially when tight tolerances or complex geometries are required.
让我们携手共创未来

与图威精密携手,共同实现您的愿景

从快速原型制作到可扩展的生产,Tuowei Precision 提供可靠的数控加工服务,在每个环节都确保精度与一致性。立即启动您的项目。.

与我们联系!
保证在 12 小时内迅速回复
🔐 所有上传内容均安全保密

数控加工公差

我们的数控机床以符合行业标准的精密公差运行,确保每个部件都始终如一地精确,并与其他部件完美配合。.

功能类型典型公差
一般尺寸公差±0.025 mm (±0.001″)
高精度公差±0.005 mm (±0.0002″)
孔直径(钻孔)±0.05 mm (±0.002″)
孔直径(扩孔/钻孔)±0.01 mm (±0.0004″)
Sh​​aft Diameter (Turned)±0.01 mm (±0.0004″)
平整度每 100 毫米 0.02 毫米
并行性±0.02毫米
垂直度±0.02毫米
表面粗糙度 (Ra)1.6–3.2 μm (63–125 μin)
位置公差±0.01毫米至±0.02毫米
螺纹公差(切削)6H / 6g(ISO)或 2A/2B(ANSI)级
最小特征尺寸0.5 mm (0.020″)
重复性±0.005 mm (±0.0002″)

Steel CNC Machining FAQs

Yes. Our steel CNC machining service can produce both small precision components and larger industrial parts. We select the right machining process based on the part size, geometry, tolerance, and production requirements.

We can machine steel parts to tight tolerances based on the design, steel grade, and part complexity. For demanding applications, we can also support precision features that require consistent dimensional accuracy.

Steel can cost more to machine than aluminum because it is harder and may require slower cutting speeds and greater tool wear. However, the final cost depends on the steel grade, part geometry, tolerances, quantity, and surface finish requirements.