• Shenzhen Jinyihe Technology Co., Ltd.
    David Wyame
    I worked with JYH for many years and They help me doing some high precision metal parts,it is really good and high tolerance.
  • Shenzhen Jinyihe Technology Co., Ltd.
    “JYH not only committed to manufacturing all of our parts with only minor adjustments but also offered competitive costs that fit within our budget, all while ensuring strict adherence to our tight timelines. “ DOM BU
  • Shenzhen Jinyihe Technology Co., Ltd.
    “JYH fully meets our demands and construction requirements. Its staff has the skills to understand and satisfy the demand for very complex designs to micro-machining. In addition, the delivery time is very fast. This is very important to us as we make “Build on order” devices.” – OPEN
Contact Person : Sandy Xu
Phone Number : 13714578126
Whatsapp : +8613714578126

440C Stainless Steel Parts Factory / Custom CNC Machining Precision Parts

Place of Origin China
Brand Name JYH Precision Machining
Certification ISO9001 Certificate of quality system/16949
Model Number Stainless Steel 304L/316L/P20 carbon steel
Minimum Order Quantity 1 piece
Price USD 20-100 pieces,negotiable
Packaging Details Use boxes made of corrugated cardboard,Wrap with bubbles facing inward or Custom wooden cases larger than 25KG.
Delivery Time 2-5 works day
Payment Terms T/T, Western Union,Paypal
Supply Ability 1000 piecs one weeks

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Name CNC Machining Precision Parts Tolerance Request +/- 0.02mm And According To Your Drawing
Surface Finish As CNC Machined Surface And Polished Material Availabel Stainless Steel 17-4 , Stainless Steel 304 /P20 Carbon Steel / Carbon Steel
3D Files We Need The Format Files Of X-T / STP / IGS Sample Color Panton Number And Can Be Customized
Product Size Based On Customer's Drawing Equipment Machining Centres
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440C Stainless Steel Parts Factory


Custom CNC Machining Precision Parts

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Product Description

Machining 440c Stainless Steel Parts Factory And CNC Machined Precision Services




Our diverse CNC machinery ensures efficient handling of various projects simultaneously, optimizing material usage and meeting project deadlines.By choosing us, you gain access to our advanced CNC equipment, expert team, thorough analysis, responsive communication,

competitive pricing, efficient management, respected reputation, and certified excellence.


This technology ensures tight tolerances, consistent quality, and repeatability in the production of complex geometries, making it a preferred method for industries such as aerospace, automotive, electronics, and medical devices.We're committed to delivering exceptional results and building enduring partnerships based on trust, quality, and reliability.



1.Fast quotes within half hours

2.Machined parts as fast as 1 day

3.Tolerances down to ±0.0004″ (0.01mm)

4.Free & Automatic DFM feedback

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Product details



440C Stainless Steel Parts Factory / Custom CNC Machining Precision Parts



1)Stainless steel: 303,304,316L, 17-4(SUS630) etc.



●Sandblasting, Blackening, Zinc/Nickel Plating, Polish.

●Power coating, Passivation PVD, Titanium Plating, Electro galvanizing.

●Electro Polishing, Chrome Plating, Knurl, Laser etch Logo, etc.

Main Equipment CNC Machining center(Milling), CNC Lathe, Grinding machine,
Drawing format STEP, STP,  PDF, DWG, DXF etc. Surface roughness Ra 0.1~3.2

Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM



Depth Caliper Venire, Universal Protractor, Clock Gauge, Internal Centigrade Gauge



CNC turning work range: φ0.5mm-φ150mm*300mm



CNC milling work range: 550mm*1020mm*550mm




The tolerance of CNC Machining For Stainless Steel Parts


Linear dimension
+/- 0.025 mm
+/- 0.001 inch
Hole diameters (not reamed) +/- 0.025 mm
+/- 0.001 inch
Shaft diameters +/- 0.025 mm
+/- 0.001 inch
Part size limit 900 * 700 *650 mm
38.0 * 22.5 * 22.5 inch




Compare Stainless Steel Alloys



We offer a variety of stainless steel options to suit any specifications or requirements. Stainless Steel 304 and

316 as well as Stainless Steel 304L and Type 360 (17-4) have all proven to be high-quality options for CNC machining projects that

require either milling or turning.The metal has a very high tensile strength, and has high resistance to corrosion and wear, resulting in added product durability and part longevity.



Material Type Tensile Strength Elongation Yield Stress Density Tensile Modulus Hardness
SS303 620MPa 55% 150MPa 8g/㎤ 56GPa 95HB
SS304 500MPa 85% 250MPa 8g/㎤ 71GPa 155HB
S316L 560MPa 55% 350MPa 7.8g/㎤ 70GPa 125HB
SS410 1470Mpa 15% 1500MPa 7.8g/㎤ 65GPa 115HB
SS416 750Mpa 25% 550Mpa 7.8g/㎤ 60GPa 95HB


CNC process service flow


440C Stainless Steel Parts Factory / Custom CNC Machining Precision Parts 1


Stainless steel alloy CNC machining has a wide range of applications in many fields.

The following are some common stainless steel CNC machining applications:



1.Manufacturing: Stainless steel alloy is widely used in the manufacturing industry. Through CNC machining,

various stainless steel parts and components can be manufactured, such as mechanical parts, connectors, fixtures,

bearing housings, etc. Stainless steel's corrosion resistance, high strength and wear resistance make it a

commonly used material in manufacturing.



2.Medical devices: Stainless steel also has important applications in the manufacture of medical devices.

Through CNC machining, surgical instruments, implantable instruments, medical equipment enclosures

can be manufactured. Stainless steel's corrosion resistance, high strength and biocompatibility make it ideal for

medical device manufacturing.



3.Automotive industry: The application of stainless steel in automotive manufacturing is also gradually increasing.

Through CNC machining, auto parts can be manufactured, such as exhaust pipes, intake pipes, body structural parts, etc.

Stainless steel's corrosion resistance, high strength and lightweight properties make it an ideal material in the automotive industry.



4.Aerospace industry: The application of stainless steel in the aerospace field has also increased.

Through CNC machining, aerospace parts can be manufactured, such as engine parts, structural parts and so on.

Stainless steel's high strength, corrosion resistance and high temperature stability make it suitable for harsh environments

in the aerospace sector.



Advantages and Benefits of Steel CNC Machining:


  • Certified Excellence: Holding ISO9001 certification and an import/export license, we validate our dedication to quality, standards, and global operations
  • Rapid Turnaround: Using the latest in steel CNC machining and online quoting technologies, JYH produces highly accurate, quick turn machined parts in as fast as 1- 3 days.
  • Wide Material Compatibility: CNC precision machining can work with a broad range of materials, including metals, plastics, composites, and ceramics.
  • Precision: Offers high-precision tolerances ranging from +/-0.001″ – 0.005″, depending on customer needs.
  • Quality Control: CNC machines can be equipped with sensors and monitoring systems to provide real-time feedback, enhancing quality control and identifying issues early in the process.
  • Process Consistency:Uniform cutting speeds, feed rates, and tool paths maintain consistent surface finishes and part dimensions throughout the production cycle.




We have an ensuring Quality sysem for our clients

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Payment method


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Shipping way


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After service sales

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Package way



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1-What is the advantage of working with JYH company? Why should I choose your company to make my parts?

  • Our industrial CNC machining stainless steel provide parts made directly from the customer’s 3D drawings, reducing the likelihood of errors. Proprietary software automates toolpath generation to decrease manufacturing times and reduce costs.

2-What industries use JYH services?

  • We serve a variety of industries including medical device, automotive, Robot, aerospace,consumer product.


3-How many machines do you have?

  • We currently have more than 60 machines: roughly 40+ CNC mills and 30 Injection mold machine,10+ 3D printers. With our long history of growth, this number is always changing.


4-How do I get a quote?

  • To get a quote for all of our services, simply send us your 3D CAD model to us. You'll get an interactive quote within hours with free design feedback. If there are problem areas in the submitted design,we will provide free design feedback(DFM).

5-What types of files do you accept?

  • We can accept IGES (.igs), STEP (.stp), ACIS (.sat) or Parasolid (.x_t or .x_b) format.

6-Do you provide First Article of Inspection (FAI) Service?

  • We can provide FAI as part of the unlimited offer.


7-What is payment term does your company can be acceptable?

  • We can accept T/T (50% prepayment should be paid before start the production; the 50% remaining payment should be paid after finish the project).





If you need custom machined parts with complex geometries, or get end-use products in the shortest possible time,

JYH CNC Precision maching company is good enough to break through all of that and achieve your idea immediately.