| Quantity: | |
|---|---|
| Category | Parameter | Value |
| Chemical Composition | Carbon (C) | 0.18–0.23% |
| Manganese (Mn) | 0.30–0.60% | |
| Sulfur (S) | ≤0.05% | |
| Phosphorus (P) | ≤0.04% | |
| Mechanical Properties | Tensile Strength (Ultimate) | 390–460 MPa |
| Tensile Strength (Yield) | 240–380 MPa | |
| Young’s Modulus (E) | 200 GPa | |
| Bulk Modulus (K) | 140 GPa | |
| Shear Modulus (G) | 80 GPa | |
| Elongation After Fracture | 15–30% | |
| Poisson’s Ratio (ν) | 0.29 | |
| Brinell Hardness | 110–130 | |
| Physical Properties | Density | 7870 kg/m³ (7.87 g/cm³) |
| Melting Point | 1515°C (2760°F) | |
| Thermal Conductivity | 52 W/m·K | |
| Specific Heat | 486 J/kg·K | |
| Coefficient of Thermal Expansion | 1.17×10⁻⁵ 1/°C | |
| Electrical Conductivity | 6.38×10⁶ S/m | |
| Electrical Resistivity | 1.59×10⁻⁷ Ω·m | |
| Heat Treatment | Annealing | 855–900°C; enhances hardness and strength |
| Normalizing | ~910°C; improves plasticity and toughness | |
| Quenching | 760–790°C; increases hardness and wear resistance | |
| Tempering | After quenching; adjusts toughness and hardness | |
| Heat Treatment Hardness | ≤1155 HBW | |
| Forging | Forging Temperature | 1100–900°C |
| Forging Performance | Good ductility and plasticity | |
| Post-Forging Heat Treatment | Normalizing or annealing to enhance structure | |
| Forging Precautions | Control speed and temp to avoid defects |
High Cost-Effectiveness
SAE 1020 offers very good balance of strength, ductility, and affordability compared to higher‑carbon or alloy steels, making it economically ideal for general engineering applications
Excellent Machinability
With low carbon content and good ductility, SAE 1020 scores around 65–80% machinability (vs. SAE 1112 baseline), allowing efficient cutting and turning operations
Superior Weldability
Its mild composition enables easy welding by standard methods with minimal risk of cracking or distortion
Outstanding Formability
Good ductility and low hardness make SAE 1020 highly formable via bending, forging, and stamping processes
Versatile Application Range
Widely used in shafts, gears, fasteners, structural components, agricultural tools, bicycle frames and automotive parts thanks to a balanced combination of mechanical and physical properties
Automotive Components
Perfect for manufacturing shafts, axles, bolts, pins, and light-duty gear parts due to its excellent machinability and weldability.
General Machinery & Engineering Parts
Commonly used in spindles, ratchets, gudgeon pins, and machinery components where moderate strength, ductility, and forming ease are required.
Structural & Fastener Applications
Ideal for low‑stress structural components, brackets, and fasteners, thanks to its toughness and reliability in welding and fabrication.
Agricultural Equipment & Fabricated Parts
Widely deployed in agricultural tools, bicycle frames, pipes and tubes, and light fabrication work where formability and cost-effectiveness are critical.
A: SAE1020 is widely used in automotive parts, machinery components, structural applications, and agricultural equipment due to its excellent machinability and weldability.
A: Yes, SAE1020 can be annealed, normalized, quenched, and tempered to improve its mechanical properties such as hardness and toughness.
A: Absolutely. Its low carbon content makes it ideal for both welding and cold forming operations.
A: It offers tensile strength of 390–460 MPa, yield strength of 240–380 MPa, and 15–30% elongation, with good ductility and moderate hardness.
| Category | Parameter | Value |
| Chemical Composition | Carbon (C) | 0.18–0.23% |
| Manganese (Mn) | 0.30–0.60% | |
| Sulfur (S) | ≤0.05% | |
| Phosphorus (P) | ≤0.04% | |
| Mechanical Properties | Tensile Strength (Ultimate) | 390–460 MPa |
| Tensile Strength (Yield) | 240–380 MPa | |
| Young’s Modulus (E) | 200 GPa | |
| Bulk Modulus (K) | 140 GPa | |
| Shear Modulus (G) | 80 GPa | |
| Elongation After Fracture | 15–30% | |
| Poisson’s Ratio (ν) | 0.29 | |
| Brinell Hardness | 110–130 | |
| Physical Properties | Density | 7870 kg/m³ (7.87 g/cm³) |
| Melting Point | 1515°C (2760°F) | |
| Thermal Conductivity | 52 W/m·K | |
| Specific Heat | 486 J/kg·K | |
| Coefficient of Thermal Expansion | 1.17×10⁻⁵ 1/°C | |
| Electrical Conductivity | 6.38×10⁶ S/m | |
| Electrical Resistivity | 1.59×10⁻⁷ Ω·m | |
| Heat Treatment | Annealing | 855–900°C; enhances hardness and strength |
| Normalizing | ~910°C; improves plasticity and toughness | |
| Quenching | 760–790°C; increases hardness and wear resistance | |
| Tempering | After quenching; adjusts toughness and hardness | |
| Heat Treatment Hardness | ≤1155 HBW | |
| Forging | Forging Temperature | 1100–900°C |
| Forging Performance | Good ductility and plasticity | |
| Post-Forging Heat Treatment | Normalizing or annealing to enhance structure | |
| Forging Precautions | Control speed and temp to avoid defects |
High Cost-Effectiveness
SAE 1020 offers very good balance of strength, ductility, and affordability compared to higher‑carbon or alloy steels, making it economically ideal for general engineering applications
Excellent Machinability
With low carbon content and good ductility, SAE 1020 scores around 65–80% machinability (vs. SAE 1112 baseline), allowing efficient cutting and turning operations
Superior Weldability
Its mild composition enables easy welding by standard methods with minimal risk of cracking or distortion
Outstanding Formability
Good ductility and low hardness make SAE 1020 highly formable via bending, forging, and stamping processes
Versatile Application Range
Widely used in shafts, gears, fasteners, structural components, agricultural tools, bicycle frames and automotive parts thanks to a balanced combination of mechanical and physical properties
Automotive Components
Perfect for manufacturing shafts, axles, bolts, pins, and light-duty gear parts due to its excellent machinability and weldability.
General Machinery & Engineering Parts
Commonly used in spindles, ratchets, gudgeon pins, and machinery components where moderate strength, ductility, and forming ease are required.
Structural & Fastener Applications
Ideal for low‑stress structural components, brackets, and fasteners, thanks to its toughness and reliability in welding and fabrication.
Agricultural Equipment & Fabricated Parts
Widely deployed in agricultural tools, bicycle frames, pipes and tubes, and light fabrication work where formability and cost-effectiveness are critical.
A: SAE1020 is widely used in automotive parts, machinery components, structural applications, and agricultural equipment due to its excellent machinability and weldability.
A: Yes, SAE1020 can be annealed, normalized, quenched, and tempered to improve its mechanical properties such as hardness and toughness.
A: Absolutely. Its low carbon content makes it ideal for both welding and cold forming operations.
A: It offers tensile strength of 390–460 MPa, yield strength of 240–380 MPa, and 15–30% elongation, with good ductility and moderate hardness.
