20 Stainless Steel Alloys
Your Leading 20 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.
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CNC Milling Turning Drawing Machining PartsIn the world of precision engineering, our CNC milling and turning drawing machining parts are designed to meet the highest standards of quality and performance.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.
Specifications of 20 Stainless Steel Alloys
|
Material Name |
Alloy 20 Stainless Steel (UNS N08020) |
|
Category |
Austenitic Super Stainless Steel |
|
Density |
~8.08 g/cm³ |
|
Nickel (Ni) |
32–38% |
|
Chromium (Cr) |
19–21% |
|
Molybdenum (Mo) |
2–3% |
|
Copper (Cu) |
3–4% |
|
Iron (Fe) |
Balance |
|
Carbon (C) |
≤0.07% |
|
Manganese (Mn) |
≤2.0% |
|
Silicon (Si) |
≤1.0% |
|
Niobium (Nb) + Tantalum (Ta) |
~0–1.0% (Nb stabilizes against carbide precipitation) |
|
Tensile Strength (Annealed) |
~586–620 MPa |
|
Yield Strength (0.2% Offset) |
~240–300 MPa |
|
Elongation at Break |
~30–45% |
|
Brinell Hardness |
≤ ~217 |
|
Thermal Conductivity |
~10.3 W/m·K |
|
Coefficient of Thermal Expansion |
~13.9 µm/m·°C |
|
Corrosion Resistance |
Excellent against sulfuric acid and chlorides |
|
Weldability & Fabrication |
Good formability and weldable |
|
Typical Forms |
Plates, bars, tubes, fittings, custom shapes |
Common Components of 20 Stainless Steel Alloys
The primary elements in alloy steel, in addition to iron and carbon, include
Chromium: Increases hardness, corrosion resistance, and strength.
Nickel: Improves toughness and ductility.
Molybdenum: Enhances strength and heat resistance.
Vanadium: Increases strength, toughness, and resistance to wear.
Manganese: Enhances toughness and wear resistance.
Superalloys may also include both commonplace and exotic alloying elements
Titanium: Improves yield and ultimate tensile strength, reduces elongation at fracture.
Copper: Improves corrosion resistance up to 0.2%, but deteriorates many properties when higher.
Aluminum: Improves toughness but reduces creep resistance.
Tantalum: Improves strength without reducing toughness.
Niobium: At 0.02 to 0,05% this refines austenitic grain size and uniformity.
Customization Options
| Alloy composition | Customizable |
| Shape | Customizable |
| Size | Customizable |
| Surface Treatment | Customizable |
| Packaging | Customizable |
| MOQ | Customizable |
Ordering Process
Define Requirements
Provide detailed specifications including part drawings, materials, tolerances, quantity, and delivery schedule.
Quotation & Proposal
Receive a clear, competitive quotation based on your requirements and optional suggestions for optimization.
Sign Contract
Confirm order terms, lead time, and quality standards through a formal contract to ensure both parties' commitments.
Sample Approval (Optional)
Evaluate prototype or sample parts to verify dimensions, materials, and surface finish before full production.
Production
CNC machining is carried out with strict quality control at every stage to ensure precision and consistency.
Quality Inspection
Final inspection of all parts using advanced measurement tools to ensure compliance with specifications.
Packaging & Logistics
Parts are securely packaged for shipment, and delivery schedules are coordinated according to agreed terms.
Delivery & After-Sales Support
Goods are delivered on time, and technical or service support is provided as needed to ensure smooth use.
Physical Properties of 20 Stainless Steel Alloys
Density
Stainless steel density usually increases with an increasing level of alloying elements, particularly molybdenum. Austenitic stainless steel grades typically have a higher density than other types of stainless steel.
Elastic Modulus
Also known as Young's modulus, the elastic modulus of stainless steel is a measure of its stiffness, which is particularly important in construction applications. The elastic modulus decreases as temperature increases.
Thermal Properties
Thermal expansion and thermal conductivity are the two physical properties that vary the most between types of stainless steel. Austenitic grades have higher thermal expansion than ferritic grades. Thermal conductivity decreases as the alloying level increases.
Surface Treatment of Stainless Steel Alloys
Painting And Powder Coating: These techniques involve applying a protective or decorative coating to the stainless steel surface. While they add colour and improve resistance to scratches and wear, they can reduce the material's natural corrosion resistance if the coating is damaged. In applications where aesthetics and additional protection are desired, regular inspection and maintenance of the coating are necessary to prevent rust formation.
PVD (physical vapor deposition): PVD coating deposits a thin, hard layer of metal compounds (such as titanium nitride) onto the stainless steel surface. It enhances wear resistance and can provide various colours without compromising corrosion resistance. PVD coatings are often used in high-wear environments and can be applied to most types of stainless steel. However, certain alloys may require specific pre-treatments to ensure optimal adhesion and performance.
Electroplating: Electroplating deposits a layer of another metal (such as chromium or nickel) onto the stainless steel surface to improve its appearance and resistance to wear and corrosion. This method is commonly used in applications where both enhanced aesthetics and protection against wear are necessary.
Packing of 20 Stainless Steel Alloys
Packaging details:
Customized wooden case can protect products from bumps during transportation.
Shipping & Payment
|
Shipping |
By logistics; by automobile; by train; by shipping; by air. |
|
Payment |
L/C; T/T; Paypal; West Union; MoneyGram etc; |
FAQ
We're well-known as one of the leading 20 stainless steel alloys manufacturers and suppliers. If you're going to wholesale cheap 20 stainless steel alloys made in Malaysia, welcome to get free sample from our factory.
20 stainless steel alloys, CNC Milling Turning Drawing Machining Parts