20Cr Alloy Steel
Your Leading 20Cr Alloy Steel 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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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 20Cr Alloy Steel
|
Material Grade Name |
20Cr Alloy Steel |
|
Standard Equivalent Grades |
AISI/SAE 5120, GB/T 3077, JIS SCr420 |
|
Chemical Composition – C |
0.18–0.24 % |
|
Chemical Composition – Si |
0.17–0.37 % |
|
Chemical Composition – Mn |
0.50–0.80 % |
|
Chemical Composition – Cr |
0.70–1.10 % |
|
Chemical Composition – P & S |
≤0.035 % each |
|
Density |
~7.85 g/cm³ |
|
Tensile Strength (quenched & tempered) |
~800–1000 MPa |
|
Yield Strength (0.2% offset) |
~600–800 MPa |
|
Elongation at Break |
~12–18 % |
|
Impact Energy (Charpy) |
~47 J (≥ minimum standard) |
|
Hardness (Brinell) |
≤~179 HB |
|
Thermal Conductivity (20 °C) |
~45–47 W/m·K |
|
Melting Range |
~1425–1540 °C |
|
Machinability |
Moderate (best after heat treatment) |
|
Heat Treatment Options |
Carburizing, quenching, tempering |
|
Weldability |
Good with preheat for thick sections |
|
Common Forms |
Bars, shafts, gears, spline parts |
Customization Options
| Material Composition | Customizable |
| Size | Customizable |
| Tolerances | 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 20Cr Alloy Steel
|
Property |
Condition/Temperature |
Value (Metric) |
Value (Imperial) |
|
Density |
- |
7.85 g/cm³ |
0.284 lb/in³ |
|
Melting Point |
- |
1425 - 1540 °C |
2600 - 2800 °F |
|
Thermal Conductivity |
20°C (68°F) |
45 W/m·K |
31 BTU·in/h·ft²·°F |
|
Specific Heat Capacity |
20°C (68°F) |
460 J/kg·K |
0.11 BTU/lb·°F |
|
Electrical Resistivity |
20°C (68°F) |
0.0006 Ω·m |
0.00002 Ω·in |
● Cold Drawn Finish: Yields a smooth surface characterized by superior dimensional precision, ideal for mechanical components.
● Bright Annealed Finish: Applied in contexts necessitating a pristine, polished surface, such as medical equipment or food processing apparatus.
● Phosphate Coating: Enhances corrosion resistance, an especially valuable finish for pipes operating in rigorous environments, such as oil rigs and chemical processing facilities
Applications of 20Cr Alloy Steel
Automotive Industry
In the automotive industry, 20Cr steel is utilized to manufacture critical components like gears and shafts, which benefit from the steel's ability to withstand high loads and temperatures, ensuring efficient and safe vehicle operation.
Mechanical Engineering
Mechanical engineering applications also rely heavily on 20Cr steel for bearings and other high-stress components. The steel's wear resistance and low temperature impact toughness make it suitable for machinery that operates in demanding environments.
Aerospace Sector
The aerospace sector demands materials that offer high strength, durability, and resistance to extreme conditions. 20Cr steel meets these criteria, making it a preferred choice for components in aircraft engines and structural parts.
Petrochemical Industry
In the petrochemical industry, 20Cr steel is used for components that need to withstand high pressure and corrosive environments, ensuring reliability and safety.
Packing of 20Cr Alloy Steel
Packaging details:
Customized wooden case can protect products from bumps during transportation.
Shipping & Payment
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Shipping |
By logistics; by automobile; by train; by shipping; by air. |
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Payment |
L/C; T/T; Paypal; West Union; MoneyGram etc; |
FAQ
We're well-known as one of the leading 20cr alloy steel manufacturers and suppliers. If you're going to wholesale cheap 20cr alloy steel made in Malaysia, welcome to get free sample from our factory.
4 Axis CNC Lathe Machine for Metal Spare Parts, 20cr alloy steel