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Stainless Steel CNC Service from MQJM

MQJM's Stainless Steel Material Grades

Stainless Steel 316

This grade of stainless steel offers superior resistance to corrosion and harsh chemicals compared to 304, making it an excellent choice for demanding environments. Commonly used in marine, chemical processing, and defense applications, it performs reliably in saltwater and corrosive conditions. Components such as marine hardware, chemical storage tanks, and coastal structural parts benefit from its durability. Additionally, it maintains good weldability, machinability, and formability, ensuring efficient processing across a variety of manufacturing methods.

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Stainless Steel 304

This stainless steel grade features approximately 8% nickel and 18% chromium, with a carbon content capped at 0.07%. Its excellent corrosion resistance and ease of forming make it highly suitable for CNC machining applications. Widely used in residential and commercial settings, this material is ideal for kitchen appliances, home décor, and architectural designs that demand both durability and aesthetic appeal.

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Stainless Steel 303

This stainless steel is an austenitic grade known for its exceptional machinability, making it ideal for high-volume manufacturing. It offers excellent toughness and strength, though the addition of sulfur to improve machinability can slightly reduce its corrosion resistance. Its balanced properties make it a preferred choice for applications requiring efficient machining without compromising mechanical performance.

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Stainless Steel 15-5

This stainless steel belongs to the precipitation-hardened (PH) category, offering enhanced strength, toughness, and improved transverse properties compared to conventional martensitic grades. Its mechanical characteristics can be further optimized through low-temperature heat treatment, making it ideal for applications requiring a strong yet ductile material.

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Stainless Steel 17-4PH

This precipitation-hardened (PH) steel grade offers outstanding corrosion and oxidation resistance, making it suitable for demanding environments. It can be heat treated to achieve hardness levels up to 44 HRC, significantly enhancing its mechanical performance. Commonly used in gas turbine components and chemical processing equipment, this steel combines durability with high strength for critical industrial applications.

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Stainless Steel 416

This steel grade is renowned for its exceptional machinability, making it ideal for high-efficiency manufacturing processes. However, this enhanced ease of machining comes at the expense of reduced corrosion resistance, rendering it more vulnerable to oxidation and environmental wear compared to other stainless steel variants.

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Benefits of Stainless Steel Material for CNC Services

Stainless steel offers significant advantages in CNC machining services, making it an ideal material for producing high-performance components. Its exceptional strength and corrosion resistance are especially beneficial in industries such as medical, aerospace, and automotive, where precision and durability are critical. Additionally, stainless steel provides good machinability and weldability, allowing for complex geometries to be achieved through CNC milling, turning, and other processes. Its naturally appealing surface finish often eliminates the need for extra treatment, enhancing production efficiency. Most importantly, CNC machining stainless steel ensures excellent dimensional stability and repeatable accuracy, which is essential for maintaining consistency across large production runs. With these advantages, stainless steel has become a preferred material in CNC services for applications demanding both functionality and aesthetic appeal. It is widely used in electronics, medical devices, energy systems, and industrial machinery. Choosing stainless steel CNC machining helps improve product performance and longevity, making it a reliable solution for demanding industrial environments.

The Applications of Stainless Steel CNC Services

1. Medical Devices and Surgical Instruments

CNC stainless steel machining is essential in the medical industry for producing high-precision surgical instruments, implants, and diagnostic tools. The biocompatibility and corrosion resistance of stainless steel make it ideal for sterile environments.


2. Food and Beverage Processing Equipment

In food-grade applications, CNC stainless steel machining ensures the fabrication of hygienic, easy-to-clean components such as valves, mixers, and enclosures. Stainless steel’s durability and resistance to contaminants are critical in this sector.


3. Oil and Gas Industry Components

CNC stainless steel machining is widely used in the oil and gas industry to manufacture parts like valves, pump housings, and pipe connectors. These components must endure high pressure, temperature extremes, and corrosive conditions.


4. Precision Industrial Machinery Parts

Many high-performance machines rely on CNC stainless steel machining to produce gears, shafts, and structural components. The strength and wear resistance of stainless steel ensure long-lasting accuracy in demanding industrial environments.

MQJM's Expertise in High-Performance Stainless Steel CNC Services

MQJM is a leading CNC machining service provider known for its expertise in material selection and precision manufacturing. One of our core strengths lies in the strategic use of stainless steel—a material valued for its excellent mechanical properties, corrosion resistance, and versatility. At MQJM, we understand that choosing the right material is critical to the performance and longevity of CNC-machined parts. That's why our engineers assess every project's technical requirements, application environment, and tolerance demands before recommending the optimal stainless steel grade.


Whether it's 304 for general corrosion resistance, 316 for marine and chemical environments, or 410 for high-strength applications, MQJM selects the most suitable stainless steel to ensure optimal results. Our advanced CNC equipment and skilled technicians guarantee tight tolerances, clean finishes, and consistent repeatability across small or large production runs.


In addition to material expertise, MQJM stands out with its full in-house capabilities, including CNC turning, milling, drilling, and multi-axis machining. Our experienced team leverages stainless steel's strength and machinability to deliver complex geometries and high-performance parts for industries such as aerospace, automotive, energy, and medical devices.


We also provide surface treatments such as passivation and polishing to enhance corrosion resistance and part aesthetics. Each step of the process, from quoting to final inspection, follows strict quality control standards, ensuring our clients receive parts that meet or exceed expectations.


By combining deep material knowledge, technical precision, and customer-focused service, MQJM delivers stainless steel CNC solutions that are reliable, efficient, and tailored to the demands of modern industry. Let us help you bring your next stainless steel project to life with expert CNC machining you can trust.


FAQs About Stainless Steel CNC Services

What types of stainless steel are commonly used in CNC machining?

Stainless steel grades such as 303, 304, 316, and 416 are widely used in CNC machining. Each offers different properties: 303 is excellent for machinability, 304 is corrosion-resistant and versatile, 316 provides superior corrosion resistance for marine or chemical use, while 416 is ideal for high-precision components due to its good machinability and hardness.

Is stainless steel difficult to machine compared to other metals?

What industries commonly use CNC machined stainless steel parts?

How does stainless steel perform in high-temperature environments?

What surface finishes can be applied to CNC stainless steel parts?

Is stainless steel a cost-effective material for CNC projects?

We will follow your requirements and provide you with high quality CNC parts that exceed your expectations.
Contact Us
Building 10, Gongming Second Industrial Zone, 125 Minsheng Avenue, Guangming District, Shenzhen
Building 10, Gongming Second Industrial Zone, 125 Minsheng Avenue, Guangming District, Shenzhen
info@mqjmcnc.com +86-13717187399
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