Discover the impressive SAE AISI 1020 Steel Properties, including the high-performance C1020 Carbon Steel Yield Strength and its Equivalent standards.
Introducing ASTM SAE AISI 1020 Steel, the epitome of reliability and performance.
AISI 1020 steel, also referred to as C1020 steel in its cold worked condition (cold rolled or cold drawn), is highly esteemed for its excellent machinability and weldability. As one of the most widely utilized plain carbon steels, SAE AISI 1020 mild steel can be processed through hot rolling or cold drawing, though it is typically turned and polished or cold drawn. Its low carbon content provides resistance to induction or flame hardening, making it a versatile choice for numerous applications.
Comprehensive Overview: AISI SAE 1020 Steel Properties & Specification
Below, discover the detailed data sheet of SAE AISI 1020 steel properties, including its chemical composition, as well as physical and mechanical characteristics.
Chemical Composition: The fundamental building blocks of SAE AISI 1020 Steel.
Physical Properties: Detailed insights into the inherent qualities of this robust steel.
Melting Point: 1515 °C (2760 °F) – An indicator of high-temperature resilience.
Density of 1020 Steel: 7.87 g/cm3 (0.0361 lbs/in3) – A measure of its substantial solidity.
Thermal Expansion Notes: Detailed coefficients for precise engineering calculations.
Coefficient: -6
Thermal Expansion: /K = 10
Coefficient: -6
Thermal Expansion: .K
Thermal Expansion: -1
Detailed Engineering: = (µm/m)/°C
Mechanical Properties of SAE AISI 1020 Mild Steel: Explore its structural capabilities.
The following data elaborates on the mechanical properties of AISI SAE 1020 steel, detailing yield strength, tensile strength, elongation, section reduction, and hardness under various conditions.
Young's Modulus (Modulus of Elasticity) for SAE AISI 1020 Carbon Steel, in the as-received condition: 186 GPa (27×10
Coefficient: 6
Measurement Unit: psi).
Machinability: Performance in precision engineering.
The machinability rating of AISI SAE 1020 carbon steel is 65, benchmarked against a 100% rating for 1212 steel.
Heat Treatment Procedures for SAE AISI 1020 Steel: Tailoring properties for specific applications.
Heat treatment processes for SAE AISI 1020 mild steel include normalizing, annealing, and austenitizing.
Normalizing Procedure for AISI 1020 Steel
Typical Normalizing Temperature: 915 °C (1675 °F) for optimal results.
Annealing Guidelines for AISI 1020 Steel
Recommended temperature and cooling cycle for complete annealing of small carbon steel forgings (size ≤ 3 in.):
Annealing Temperature: 855-900 °C (1575-1650 °F), with a cooling cycle from 855 °C (1575 °F) to 700 °C (1290 °F). Furnace cooling should proceed at 28 °C/h (50 °F/h), achieving a Brinell hardness of 111-149 HB.
Reheating (Austenitizing) Process
Reheating (Austenitizing) Temperatures for Hardening of SAE 1020 Steel range from 760-790 °C (1400-1450 °F). Carburizing is typically performed at 900-925 °C (1650-1700 °F).
Case Hardening Techniques
The surface hardening carburization temperature for 1020 carbon steel ranges from 970-955 °C. This process is usually conducted in a mixed gas environment of methane and carrier gas. Post-carburizing hardening is typically achieved by direct quenching from the carburizing temperature into water or brine.
Typical Heat Treatment for SAE 1020 Case Hardening
- Carbon Temperature: 900-925 °C (1650-1700 °F), Cooling Method: Water or Caustic;
- Reheat Temperature: 790 °C (1450 °F), Cooling Method: Water or 3% Sodium Hydroxide;
- Carbonitriding Temperature: 790-900 °C (1450-1650 °F), Cooling Method: Oil;
- Temper Temperature: 120-205 °C (250-400 °F), For Stress Relief and Improving Resistance to Cracking (Not Mandatory).
Typical Forging Temperature
Typical Forging Temperature for AISI 1020 Mild Steel is 1290 °C (2350 °F).
AISI 1020 Carbon Steel Welding
Recommended Preheat and Interpass Temperatures for AISI SAE C1020 Steel:
For Thickness ≤50mm (2 in.), the Recommended Preheat and Interpass Temperature is Above -12 °C (for Low Hydrogen); and 38 °C for Other than Low Hydrogen.
For Thickness (t) 50< t ≤100, the Recommended Preheat and Interpass Temperature is 93 °C (for Low Hydrogen); and 150 °C (for Other than Low Hydrogen).
Postweld Heat Treatment is Optional, Temperature is 590-675 °C (1100-1250 °F).
Application
ASTM AISI SAE 1020 steel boasts a versatile range of semi-finished products such as square, flat, and round steel bars, as well as steel plates. These can be utilized in the manufacturing of automotive, truck, and agricultural equipment parts including axles, mechanical parts, cold head bolts, motor shafts, pump shafts, ratchets, light gears, gear drives, worm gears, spindles, seat brackets, crane-cable drums, motor-brake wheels, and more. It is also frequently fashioned into structural shapes such as steel channels, angles, I-beams, and H-beams.
AISI SAE ASTM 1020 Steel Equivalent Material
SAE ASTM AISI 1020 Carbon Steel is Equivalent to European EN (including Germany DIN EN, British BSI, French NF), Japanese JIS, and Chinese GB Standards.
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