CNC Machining Stainless Steel Alloys

Your Leading CNC Machining Stainless Steel Alloys Supplier

S PIERSON MACHINERY SDN.BHD. is a professional manufacturer specializing in the CNC machining of high-precision small parts. We supply precision components made from metal and engineering plastics, widely used in motors, medical equipment, food machinery, textile machinery, and light industrial applications, serving long-term customers in Europe, America, and Southeast Asia.

 

 
  • High-precision Shaft Processing Service
    Our high-precision shaft processing service is designed to meet the demanding requirements of various industries. We specialize in shaft mechanical hardware CNC machining, delivering components...
    read more
 
Why Choose Us

Wide Range of Machinable Materials

Our capabilities include stainless steel, alloy steel, aluminum alloy, copper, and engineering plastics, allowing buyers to source multiple materials from one supplier.

 

Advanced Manufacturing Equipment

We operate over 40 sets of processing equipment, including four-axis machining centers, centering machines, and turning-milling composite machines to meet diverse order requirements.

Reliable Quality and Delivery

Our product qualification rate and on-time delivery rate reach 98%, helping buyers reduce supply risk and maintain stable production schedules.

International Market Coverage

Our business network in Southeast Asia, Europe, and the Americas enables us to efficiently serve customers across multiple regions.

 

Advantages of CNC Machining Stainless Steel Alloys
Corrosion Resistance
Stainless steel's natural resistance to rust and oxidation ensures long-term performance.
Strength
CNC machined stainless steel parts are strong, making them ideal for high-stress applications.
Precision
CNC technology allows for accurate cuts and detailed geometries, maintaining tight tolerances required for critical components.

 

Specifications of CNC Machining Stainless Steel Alloys

Available Stainless Steel Grades

303 / 304 / 304L / 316 / 316L / 17-4PH / 416 / 420 / 440C / Duplex 2205

Hardness Range

150–380 HB

Tensile Strength

500–1200 MPa

Turning Cutting Speed

80–180 m/min

Milling Cutting Speed

90–200 m/min

Feed Rate (Turning)

0.06–0.25 mm/rev

Feed Rate (Milling)

0.05–0.15 mm/tooth

Depth of Cut (Rough Machining)

0.3–3.0 mm

Depth of Cut (Finish Machining)

0.1–0.5 mm

Achievable Tolerance

±0.005–±0.05 mm

Surface Finish (Ra)

0.1–3.2 μm

Machining Processes

Turning / Milling / Drilling / Threading

Tool Material

Carbide / Coated Carbide / HSS

Coolant Type

Flood / High-pressure / Through-tool

Part Application

Shafts / Bushings / Connectors / Precision Components

 

Customization Options
Material Composition Customizable
Size Customizable
Tolerances Customizable
Packaging Customizable
MOQ Customizable

 

 
Ordering Process
 
01/

Define Requirements
Provide detailed specifications including part drawings, materials, tolerances, quantity, and delivery schedule.

02/

Quotation & Proposal
Receive a clear, competitive quotation based on your requirements and optional suggestions for optimization.

03/

Sign Contract
Confirm order terms, lead time, and quality standards through a formal contract to ensure both parties' commitments.

04/

Sample Approval (Optional)
Evaluate prototype or sample parts to verify dimensions, materials, and surface finish before full production.

05/

Production
CNC machining is carried out with strict quality control at every stage to ensure precision and consistency.

06/

Quality Inspection
Final inspection of all parts using advanced measurement tools to ensure compliance with specifications.

07/

Packaging & Logistics
Parts are securely packaged for shipment, and delivery schedules are coordinated according to agreed terms.

08/

Delivery & After-Sales Support
Goods are delivered on time, and technical or service support is provided as needed to ensure smooth use.

 

Common Grades of CNC Machining Stainless Steel Alloys

Grade

Key Properties

Applications

304 Stainless Steel

Excellent corrosion resistance, weldability, and formability

Food processing, chemical equipment, architectural panels

316 Stainless Steel

Enhanced corrosion resistance (chlorides, acids)

Marine environments, medical devices

303 Stainless Steel

High machinability due to added sulfur

Screws, fittings, high-volume production

17-4 PH Stainless Steel

High strength, corrosion resistance

Aerospace, defense

410 Stainless Steel

Good wear resistance

Cutlery, valves, pumps

 

High-precision Shaft Processing Service

 

Common Alloying Elements for CNC Machining Stainless Steel Alloys

Manganese: The percentage of manganese in steel and stainless steel ranges from about 0.3 to 1.65% though mostly lower in stainless steel. Along with other elements like sulfur and phosphorus, it increases the malleability of steel alloys, making them less brittle.

 

Chromium: The chromium content in standard steel is usually less than 0.5%, but ranges from about 10 to 30% in stainless steel. In small percentages, as in steel, it increases hardness, while in higher percentages, it significantly increases corrosion resistance.

 

Nickel: Percentage of nickel in steel alloys, exists in varying amounts. When in about 5%, it results in increased strength. However, increasing the percentage, mostly in stainless steel, where it is often greater than 8 percent, increases its corrosion resistance.

 

Vanadium: Usually about 0.15%, it increases the heat resistance and strength of steel without affecting its formability.

 

Tungsten: Tungsten aids in increasing the structural integrity of the alloy, through increased heat and wear resistance. However, it's more commonly used in steel than in stainless steel.

 

Packing of CNC Machining Stainless Steel Alloys

 

Packaging details:
Customized wooden case can protect products from bumps during transportation.

productcate-800-599
productcate-800-599
productcate-800-599
productcate-800-599

 

Shipping & Payment

Shipping

By logistics; by automobile; by train; by shipping; by air.

Payment

L/C; T/T; Paypal; West Union; MoneyGram etc;

 

 

FAQ

 

Q: How does CNC machining stainless steel alloys affect tool life compared to carbon steels?

A: Stainless steel alloys generally shorten tool life by 30–50 % versus mild steels because of work-hardening and heat generation, so sharp, coated tooling is crucial.

Q: What tensile strength ranges are typical in CNC machining stainless steel alloys?

A: Tensile strength can vary widely by alloy, with austenitic types like 304 around 500–700 MPa and PH grades like 17-4 PH significantly higher, affecting cutting strategy and speeds.

Q: Which stainless steel alloys are considered easiest for CNC machining?

A: Free-machining grades like 303 and 416 are easier to machine on CNC centers due to added elements that improve chip formation.

Q: Can CNC machining stainless steel alloys achieve tight tolerances?

A: Yes, with proper setup and tooling, CNC machining of stainless steel alloys can achieve tolerances down to ±0.005 mm with fine surface finishes.

Q: How does CNC machining stainless steel alloys influence surface finish quality?

A: Feed rate, tool selection, and rigidity during CNC machining all affect surface roughness, with precise control able to produce finishes as low as Ra 0.1 μm.

Q: What key properties of stainless steel alloys impact CNC machining parameters?

A: Properties like corrosion resistance, work hardening, and alloy composition (Cr, Ni, Mo) influence cutting speeds, feeds, and tooling choices.

Q: How do different grades of stainless steel alloys affect CNC machining of shafts and components?

A: Grades like 304, 316, and 17-4 PH have unique machinability and corrosion resistance profiles, so parameters must be tailored for each to ensure precision and longevity.

We're well-known as one of the leading CNC machining stainless steel alloys manufacturers and suppliers. If you're going to wholesale cheap CNC machining stainless steel alloys made in Malaysia, welcome to get free sample from our factory.

customized cnc machining parts, High precision Shaft Processing Service, cnc machining stainless steel alloys