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CNC Stainless Steel Parts
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| Place of Origin | Dongguan, China |
| Brand Name | Yexin |
| Certification | ISO9001:2015 |
| Model Number | SM45 |
Custom Precise CNC Machining Part CNC Part Steel CNC Milling Parts Machining
Service
CNC machining, standing for Computer Numerical Control machining, is a subtractive
manufacturing technology where material is automatically removed from raw stock according
to computer-generated instructions.
In broad terms, CNC machines are categorized into two types: those that keep the raw stock
stationary while rotating the cutting tool, and those that rotate the raw stock while moving it
against a stationary tool.
Various deviations and combinations of these basic approaches exist, allowing some machines
to employ both techniques simultaneously to produce parts with intricate features.
Product Details
Stainless steel is highly resistant to corrosion and rust, making it suitable for situations
where a part may be exposed to the elements for a long period of time.
Stainless steel is also fairly malleable and ductile.
| Common Stainless Steel Materials | |
| No. | Properties |
| Stainless steel 304/304L | The most common alloy and is known for its pristine surface finish. It has significantly higher corrosion and oxidation resistance. Typically used in the manufacture of sensor parts, shafts, machinery parts, medical parts, and more. |
| Stainless steel 316/316L | It is slightly higher levels of chromium and nickel that exhibits improved heat tolerance, resistance to creep and pitting, and excellent tensile strength. Typically used in the manufacture of sensor, chemical & pharmaceutical equipment parts, and more. |
| Stainless steel 303 | It is a non-magnetic, austenitic stainless steel with good resistance to mildly corrosive atmospheres, but significantly less than 304. Typically used in the manufacture of screw, gears, fittings, bushings, shaft, and more. |
| Stainless steel 420 | It is a martensitic stainless steel with good corrosion resistance as well as strength and hardness. It is capable of being heat treated to a hardness of HRC 51 minimum. Typically used in the manufacture of pivots, cams, pump shafts, surgical instrument parts, valve components, and more. |
| Stainless steel 440C | It is a martensitic stainless steel, and is the highest carbon content from 400 stainless steel series. It is usually heat treated to reach hardness of 58 - 60 HRC. Typically used in the manufacture of valve seats, piston, shaft, and more. |
| Stainless steel 430 | It is a non-hardenable ferritic stainless steel with excellent finish quality. It has good corrosion resistance with good formability and ductility. Typically used in the manufacture of fittings, flanges fasteners, piston, and more. |
| Stainless steel 430FR | It is a free-machining solenoid quality alloy, ideal for parts that require corrosion resistance and high electrical resistivity. It has excellent corrosion resistance in fresh water, gaseous, moderately acidic, and low chlorine environments. |
| Stainless steel 630 | It is commonly referred to as 17-4 and is a precipitation-hardening martensitic stainless steel that offers superior corrosion resistance. It is magnetic, readily welded. Typically used in the manufacture of sensor housing, valve, pump shaft, and more. |
Stainless Steel Finishing and Post-Processing
We specialize in the production of custom-made products and offer surface treatment services
tailored to meet our customers' specific requirements and industry standards.
Our comprehensive solutions are both efficient and cost-effective, making us a one-stop
destination with the capacity and capability to provide integrated services.
| Name | Machining Marks |
| Brushed + electropolishing | Removed on Primary surfaces |
| Electroless nickel plating | Reduced but visible |
| As machined | Visible, light surface scratches |
| Smooth machining | Visible, light surface scratches |
| Fine machining | Slightly visible |
| Polishing | Removed on primary surfaces |
| Bead blasting | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
| Brushing | Reduced for non-cosmetic, removed on primary surfaces for cosmetic |
| Powder coating | Removed |
| Black oxide | Visible |
Applications of Stainless Steel Parts
The utilization of CNC machining spans a multitude of industries, with a significant presence in
aerospace, automotive, consumer electronics, robotics, and agriculture, particularly in the
production of metal components.
Beyond these, CNC machining is integral to the manufacturing processes of medical devices,
household goods, and various consumer applications. Its prevalence extends into sectors such as
energy, oil and gas, making CNC machining one of the most pervasive and essential manufacturing
techniques globally.
Company Profile
FAQ's
1. How do I request a quote?
Initiating a quote request with us is a straightforward and hassle-free process. Visit our
"Contact Us" page and fill out the brief web form.
We'll prompt you for key details like turnaround time, required quantity, and offer a space for
a brief project description. For added convenience, you can easily upload your drawing file.
Should you favor communication through email, fax, or phone, our contact page provides all
the pertinent information.
2. How can I ensure my design is confidential?
We can sign the NDA (Non-disclosure Agreement) with our customers before quoting or placing
an order.
3. How long does a quotation take?
Our usual practice is to provide a response to Requests for Quotation (RFQ) within a few days
of receiving them. If, for any reason, there is a delay in the quotation process, we will notify you
at the earliest opportunity.
4. Can I use my own material for production?
Absolutely, you can use your own material for production, as long as it aligns with the capabilities
of our machines.
5. What tolerances can achieve?
Tolerances are not universally defined and vary based on factors such as part size, design
geometry, the number and size of features, material selection, surface finish, and the manufacturing
process.
After order confirmation, we conduct a comprehensive Design for Manufacturing review to identify
areas for potential modification to enhance manufacturability. It is advantageous if you can specify
critical tolerance areas in your design, allowing for adjustments to optimize production time and costs.
General tolerance guidelines are provided for CNC machining in metal and plastic, plastic injection
molding, CNC metals and plastic injection molding materials, metal 3D printing (+/- 0.5mm),
and an expected shrinkage rate of +/- 0.15% for vacuum casting. Clear specifications in the 2D
drawings are essential for precise adherence to manufacturing and technical requirements.
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