Shenzhen Jinyihe Technology Co., Ltd.
Precision CNC machining services | High precision Certified manufacturer We provide high precision CNC machining services, using imported CNC equipment (five-axis/three-axis) and advanced technology,
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Stainless Steel CNC Cutting Parts With Hard Anodized / Hardness HV250 - HV 350 Service
Stainless steel parts provide excellent machinability, workability, and uniformity, and are resistant to corrosion and oxidation.
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.
Precision machining makes sense when you need lower quantities with higher part requirements.
Lead times still can be as few as 10 days.
Quality Documentation
►Certificate of Conformance (CoC) to customer specifications
►First Article Inspections (FAIs)
►Material certification and heat lot numbers
The tolerance of CNC Machining For Stainless Steel Parts
| Type | Tolerance |
| 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 |
As a general rule, stainless deserves consideration if your engineering project requires at least one of these three qualities:
Here’s a stainless steel grades chart so you can get the most out of the metal for your project:
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GRADE
| TYPE | TRAITS | USES |
| 3CR12 | Ferritic | Useful corrosion resistance, particularly in wet abrasion environments. Readily welded and formed. | Tanks, flues, bins, chutes, rail wagons |
| 301 | Austenitic | Combination of strength and ductility to withstand severe forming methods. Corrosion resistance comparable to 302. | Rail cars, automotive components |
| 302 | Austenitic | Excellent corrosion resistance. High strength and hardness. | Food and drink, sanitary, cryogenic and pressure applications |
| 303 | Austenitic | Addition of sulfur or selenium gives it best machinability of all austenitic grades, but reduces corrosion resistance compared to 304. | Nuts and bolts, aircraft fittings and gears, bushings |
| 304
304L 304H | Austenitic | Slightly magnetic when cold worked. Excellent corrosion resistance but susceptible to pitting corrosion in warm chloride environments. Excellent toughness
Accounts for 50% of all stainless steel produced. | Architecture, kitchens, food processing |
| 316
316L 316H | Austenitic | Same mechanical and physical properties as 304 but more resistant to pitting corrosion, especially in warm chloride environments. Virtually non-magnetic. | Marine architectural components, food processing, hot water systems |
| 317L | Austenitic | Improved corrosion resistance over 316. 317L is a variation of 317 suitable for heavy-gauge welding. | Pulp and paper machinery, ink and dying processes, acetic acid distillation |
| 321 | Austenitic | Titanium-stabilized. | Aircraft, heat exchangers (up to intermediate temperatures) |
| 400 | Ferritic | Corrosion resistance comparable to 409, better surface finish | Caskets, applications requiring better finish than 409 |
| 409, Aluminized 409 | Ferritic | Resists atmospheric and automotive exhaust gas corrosion. Aluminized version adds salt and cosmetic corrosion resistance. | Auto exhaust systems, heat exchangers, furnace liners |
| 410, 410H | Martensitic | Resists dry atmospheres, freshwater, mild alkalis and acids, steam, and hot gases. Must harden for best heat and corrosion resistance. 410H has better hardenability. | Bolts, nuts, screws, pump parts and shafts, turbine parts, mine ladder rungs, cutlery, rulers, cold heading |
| 420, 420HC | Martensitic | Good resistance in hardened condition to atmosphere. Higher-carbon grade. HC offers better hardenability. | Cutlery, stainless steel hospital equipment, needle valves |
| 430, 430F | Ferritic | Good combination of corrosion resistance, formability, mechanical properties. 430F is suitable for high-speed machining, but corrosion resistance is lower. | Automotive trim, refrigerator doors, element supports, cold-headed fasteners |
| 431 | Martensitic | Excellent resistance to wide variety of corrosive media, approaching that of 304. High tensile, torque strength. | Pump and boat shafts, nuts, bolts, marine hardware |
| 434 | Ferritic | Molybdenum use improves pitting resistance over 430. | Automotive trim components |
| 439 | Ferritic | Titanium-stabilized. 18% chrome alloy with low carbon content. Corrosion resistance to variety of oxidizing environments. Pitting corrosion resistance. | Nuclear, automotive, power generation, chemical processing, consumer appliances |
| 440 | Martensitic | High-carbon, moderate corrosion resistance, superior strength and hardness. | Knives, ball bearings, gauge blocks, dies |
| 444 | Ferritic | Resistant to oxidation, corrosion, and stress cracking. | Water heaters, engine components, solar panels |
| 904L | Austenitic | ‘Super austenitic’ grade with very high corrosion resistance, especially to strong acids and chlorides. | Sulphuric acid service |
| 2205 | Ferritic/ Austenitic | About 50% ferrite and 50% austenitic. High strength and hardness. Resistant to erosion, fatigue, stress corrosion cracking, and pitting and crevice corrosion. | Marine, chemical, and petrochemical industries |
| 41003 | Ferritic | Excellent weldability, toughness, and fabricating characteristics | Tubing for bus frames, hopper cars, chutes, storage tanks, shipping containers |
| UR52N | Ferritic/ Austenitic | ‘Super duplex’ grade with exceptional resistance to hot chlorides and sulfides. High in strength. | Marine, chemical, and petrochemical industries |
Finishing and Post-Processing
►Additional plating
►Anodizing
►Basic assembly
►Chromate plating
►Cleaning
►Electroless nickel plating
►Part marking
►Passivate
►Powder coating
►Press fit and hardware
►Silk screening
CNC process service flow
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:
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We have an ensuring Quality sysem for our clients
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After service sales
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FAQ:
| 1-What industries use JYH services?
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| 2-How many machines do you have?
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| 3-How do I get a quote?
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| 4-What types of files do you accept?
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| 5-Do you provide First Article of Inspection (FAI) Service?
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| 6-What is payment term does your company can be acceptable?
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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.