Stainless Steel CNC Machining Service
Superior-quality stainless steel machining with precision, strength, and versatility for various industries. Cutting-edge facilities and experienced team delivering custom stainless steel parts that perform reliably in the most demanding environments.
Stainless Steel in CNC Machining
Stainless steel is a family of steel alloys containing chromium, which provides a protective oxide layer and gives the material its excellent resistance to corrosion and oxidation. It is widely used in CNC machining for components that require strength, durability, hygiene, and resistance to moisture or chemicals.
Different stainless steel grades provide different combinations of corrosion resistance, strength, hardness, machinability, and temperature performance. Austenitic grades such as 304 and 316 are widely used for general-purpose and corrosion-resistant applications, while 17-4 PH provides higher strength and hardness after heat treatment.
Stainless steel can be CNC machined into complex and precise components for industries including medical, food processing, aerospace, automotive, marine, chemical processing, and industrial equipment.
Available Stainless Steel at Elite Mold Tech:
| Ligas disponíveis | Stainless Steel 304, 316, 17-4 PH |
| Preço | $ |
| Prazo de entrega | Menos de 10 dias |
| Espessura da parede | 0,75 mm |
| Tolerâncias | ±0,125 mm (±0,005 pol.) |
| Tamanho máximo da peça | 200 x 80 x 100 cm |
Aço inoxidável 304
Stainless Steel 304 is one of the most widely used stainless steel grades for CNC machining. It provides excellent corrosion resistance, good strength, and good formability, making it suitable for general industrial, food processing, medical, and consumer applications.<
Limite de escoamento à tração (MPa)
215
Resistência à fadiga (MPa)
240
Alongamento na ruptura (%)
40
Dureza (Brinell)
123
Densidade (g/cm³)
8.00
Stainless Steel 316
Stainless Steel 316 provides improved corrosion resistance compared with 304, particularly in chloride-rich and marine environments. Its molybdenum content improves resistance to pitting and crevice corrosion, making it suitable for chemical, marine, medical, and food-processing applications.
Limite de escoamento à tração (MPa)
205
Resistência à fadiga (MPa)
240
Alongamento na ruptura (%)
40
Dureza (Brinell)
149
Densidade (g/cm³)
8.00
Stainless Steel 17-4 PH
17-4 PH is a precipitation-hardening stainless steel that provides high strength, hardness, and good corrosion resistance. It can be heat treated to achieve different mechanical properties and is commonly used for demanding aerospace, industrial, and mechanical components.
Limite de escoamento à tração (MPa)
1000
Resistência à fadiga (MPa)
510
Alongamento na ruptura (%)
10
Dureza (Brinell)
293
Densidade (g/cm³)
7.75
Tolerâncias gerais de usinagem CNC
| Descrição | Tolerância geral ou padrão |
|---|---|
| Tolerâncias dimensionais gerais | ±0,005″ (±0,127 mm) para metais; ±0,010″ (±0,254 mm) para plásticos, de acordo com a norma ISO 2768-mK, salvo indicação em contrário |
| Tolerâncias rígidas | Precisão de até ±0,001″ (±0,025 mm) disponível mediante solicitação, com desenhos 2D detalhados e especificações de GD&T |
| Tamanho mínimo do recurso | ~0,020″ (0,50 mm), dependendo da geometria da peça, do diâmetro da ferramenta e do material |
| Tolerância do diâmetro do furo | ±0,002″ (±0,05 mm) típico; tolerâncias mais estreitas com mandrilamento ou alargamento |
| Planicidade/Paralelismo | ≤0,002″ por 6″ (≤0,05 mm por 150 mm), varia de acordo com o material e a configuração do dispositivo de fixação |
| Tolerâncias de rosca | Roscas métricas e imperiais padrão conforme ISO/ASME; roscas personalizadas ou finas disponíveis mediante solicitação |
| Tolerância angular | ±0,5° típico |
| Condição da borda | As bordas afiadas são quebradas e rebarbadas por padrão, salvo indicação em contrário |
| Acabamento da superfície (padrão) | Ra 3,2 μm (125 μin) como usinado; acabamentos aprimorados disponíveis por meio de polimento, jateamento de esferas, anodização, etc. |
| Tamanho máximo da peça | Fresagem: Até 80″ × 48″ × 24″ (2.032 × 1.219 × 610 mm) Torneamento: Até 62″ de comprimento × 32″ de diâmetro (1.575 × 813 mm) |
Peças de usinagem CNC personalizadas fabricadas pela Elite Mold Tech
Explore as peças de usinagem CNC fabricadas pela Elite Mold Tech, que fornece componentes de alta precisão com acabamentos superiores e tolerâncias rígidas para uma ampla gama de setores. Nossos serviços de usinagem CNC garantem a produção confiável, precisa e eficiente de peças personalizadas, ideais para prototipagem e fabricação em larga escala.
Advantages and Limitations of Stainless Steel CNC Machining
Stainless steel provides an excellent combination of corrosion resistance, strength, durability, and appearance, making it suitable for demanding CNC applications. However, its hardness and work-hardening behavior can make machining more challenging than softer materials.
Vantagens
- Excellent Corrosion Resistance: Stainless steel can withstand moisture, chemicals, and many corrosive environments without rapidly degrading.
- High Strength: Many stainless steel grades provide strong mechanical performance for demanding components.
- Excellent Durability: Stainless steel offers good resistance to wear, impact, and mechanical stress.
- Hygienic Surface: Its smooth and corrosion-resistant surface makes it suitable for food processing, medical, and pharmaceutical applications.
- High Temperature Performance: Several stainless steel grades can maintain useful mechanical properties at elevated temperatures.
Limitações
- More Difficult to Machine: Stainless steel can generate higher cutting forces and may work harden during machining.
- Higher Tool Wear: Improper cutting conditions can accelerate tool wear, particularly with harder stainless steel grades.
- Higher Material Cost: Stainless steel generally costs more than mild steel and some aluminum alloys.
- Heat Management: Stainless steel can retain heat near the cutting zone, requiring suitable cutting parameters and coolant strategies.
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Stainless steel CNC Machining FAQs
What are the challenges of machining stainless steel?
Machining stainless steel can be challenging due to its tendency to work harden, leading to increased tool wear. Its low thermal conductivity causes excessive heating during machining, affecting both the material and tools. Improper tools or speeds can damage the material, making the process slow and arduous. Moreover, high-performance cutting tools for stainless steel are more expensive than those for softer materials, with frequent tool changes increasing production costs and downtime.
What grade of stainless steel is best for machining?
416 stainless steel is the most machinable of the stainless steels. In general, machining 400 series stainless steel grades is relatively straightforward. Conversely, machining 300 series stainless steel grades poses more challenges. SUS303 is often considered the best for machining among the 300 series while SUS304 provides a good balance between corrosion resistance and machinability, making it a versatile choice for many applications.
Why is stainless steel low maintenance?
Stainless steel’s inherent corrosion resistance and durability reduce the need for frequent maintenance, providing long-lasting performance in various applications. It also resists bacterial growth and is easy to clean and sterilize, making it low maintenance. It can be effectively cleaned with a swab and an all-purpose cleaner, making it ideal for use in kitchens and hospitals.