Smooth Steel Plate and Sheet, AISI 1020 Carbon Steel Properties

• Customization: Available
• Type: Carbon Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Model NO.: carbon steel
• Technique: Forged
• Shape: Bar
• Surface Treatment: Polished
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Die Steel Bar
• Transport Package: N/M
• Specification: 6-400mm
• Trademark: Smooth
• Origin: China
• HS Code: 7228400000
• Production Capacity: 5000ton/Month

Product Description

Delve into the robust features of SAE AISI 1020 Steel Properties, a material renowned for its remarkable C1020 Carbon Steel Yield Strength and Equivalent standards, which make it an indispensable choice in various industrial applications.

Discover the exceptional attributes of ASTM SAE AISI 1020 Steel, a material that sets the bar high with its superior quality and reliability, ensuring excellent performance in diverse engineering projects.

AISI 1020 steel, also recognized in its industry as C1020 steel, is a powerhouse in cold-worked states such as cold rolled or cold drawn. This ubiquitous plain carbon steel shines with superb machinability and weldability. Whether hot rolled or cold drawn, it typically showcases its best features when turned, polished, or in cold drawn conditions. Its low carbon content confers resistance to hardening processes like induction or flame hardening, underscoring its versatility and endurance.

Explore the comprehensive AISI SAE 1020 Steel Properties and Specifications, a benchmark for excellence in the world of carbon steels, defining strength and reliability.

Peruse the detailed data sheet below, meticulously listing SAE AISI 1020 steel properties, encompassing everything from chemical composition to physical and mechanical attributes, offering a complete overview.

Chemical Composition

	AISI SAE 1020 Steel Chemical Composition (%)
AISI	C	Mn	P (≤)	S (≤)
1020	0.18-0.23	0.30-0.60	0.040	0.050

Physical Properties

Melting point: 1515 °C (2760 °F)
Uncover the density of 1020 steel, a solid 7.87 g/cm3 (0.0361 lbs/in3), highlighting its robust physical properties.

Material 1020 thermal conductivity
Value (W/m·K)	Temperature, °C (°F)
51.9	0 (32)
51.0	100 (212)
48.9	200 (392)

Specific Heat
Value (J/Kg·K)	Temperature, °C (°F)
486	50-100 (122-212)
519	150-200 (302-392)
599	350-400 (662-752)

Electrical Resistivity of 1020 Carbon Steel
Value (μΩ·m)	Temperature, °C (°F)
0.159	0 (32)
0.219	100 (212)
0.292	200 (392)

Coefficients of linear thermal expansion
Value (10-6/K)	Temperature, °C (°F)	Treatment or condition
11.7	20-100 (68-212)	Annealed
12.1	20-200 (68-392)
12.8	20-300 (68-572)
13.4	20-400 (68-752)
13.9	20-500 (68-932)
14.4	20-600 (68-1112)
14.8	20-700 (68-1292)

Notes: 10-6/K = 10-6.K-1 = (µm/m)/°C

Mechanical Properties of SAE AISI 1020 Mild Steel

The ensuing data unveils the mechanical prowess of AISI SAE 1020 steel, detailing properties such as yield strength, tensile strength, elongation, section reduction, and hardness, across diverse conditions, painting a picture of its adaptability and strength.
SAE AISI 1020 carbon steel Young's modulus, or modulus of elasticity, resonates with strength in the as-received condition at 186 GPa (27×106 psi), a testament to its resilience and flexibility.

AISI 1020 steel mechanical properties in heat-treated or cold-worked conditions
AISI (UNS)	Tensile strength, MPa (ksi), ≥	Yield strength, MPa (ksi), ≥	Elongation in 50 mm, %, ≥	Reduction in area, %, ≥	Hardness (HB)	Processing, condition or treatment	Sample Size, mm (in.)
1020 (G10200)	380 (55)	205 (30)	25	50	111	Hot rolled	19-31.8 mm (0.75-1.25 in.)
	420 (61)	350 (51)	15	41	121	Cold drawn

Mechanical properties in the hot-rolled, normalized, and annealed condition
AISI	Tensile strength, MPa (ksi), ≥	Yield strength, MPa (ksi), ≥	Elongation in 50 mm, %, ≥	Reduction in area, %, ≥	Hardness (HB)	Processing, condition or treatment	Austenitizing temperature, °C (°F)	Quenching agent	Izod impact strength, J, (ft·lbf)	Sample Size
1020	448 (65)	331 (48)	36	59	143	As-rolled	-	Oil	87 (64)	12.8 mm (0.505 in.) machined from 25.4 mm (1 in.) rounds.
	441 (64)	346.5 (50.3)	35.8	68	131	Normalized	870 (1600)	Oil	118 (87)
	394.7 (57.3)	295 (43)	36.5	66	111	Annealed	870 (1600)	Oil	123 (91)

		Cyclic fatigue properties
UNS	Grade	Cyclic strength coefficient, MPa (ksi)	Fatigue strength coefficient, MPa (ksi)	Fatigue strength exponent	Fatigue ductility coefficient	Fatigue ductility exponent	Hardness (HB)
G10200	SAE 1020 steel	1205 (175)	850 (123)	-0.12	0.44	-0.51	108

Machinability

Rating high in the machinability stakes, AISI SAE 1020 carbon steel scores a commendable 65, benchmarked against the industry standard of 100% for 1212 steel, making it a reliable choice for manufacturers.

SAE AISI 1020 Steel Heat Treatment

Heat treatment processes for SAE AISI 1020 mild steel, including normalizing, annealing, and austenitizing, ensure optimal performance and durability, tailored to meet specific industrial needs.

Normalizing of AISI 1020

Achieving perfection, the typical normalizing temperature for SAE AISI 1020 mild steel is set at 915 °C (1675 °F), a process that enhances its structural integrity.

Annealing of AISI 1020

Prescribe the ideal conditions for the full annealing of small carbon steel forgings (size ≤ 3 in.):
The optimal annealing temperature ranges from 855-900 °C (1575-1650 °F), with a cooling cycle transitioning from 855 °C (1575 °F) to 700 °C (1290 °F), and a furnace cooling speed of 28 °C/h (50 °F/h), producing a Brinell hardness of 111-149 HB.

Reheating (Austenitizing)

For hardening SAE 1020 steel, reheating (austenitizing) temperatures are set at 760-790 °C (1400-1450 °F), while carburizing is typically performed at 900 to 925 °C (1650 to 1700 °F), optimizing the steel's hardness and wear resistance.

Case Hardening

The surface hardening process of carburization for 1020 carbon steel occurs at 970-955 °C, typically in a methane and carrier gas mixture. Post-carburizing, hardening is efficiently achieved through direct quenching from the carburizing temperature into water or brine, enhancing surface durability.

Typical Heat Treatment for SAE 1020 Case Hardening: Unleash the potential of your steel with optimal heat treatment. Dive into the specifics of carbon case hardening, ensuring your SAE 1020 steel reaches its premium performance and durability potential.

• Carbon Temperature: Achieve remarkable resilience with a carbon temperature ranging from 900-925 °C (1650-1700 °F). Follow up with a cooling method of water or caustic for impeccable steel quality.
• Reheat Temperature: Embark on the journey to excellence by reheating at 790 °C (1450 °F). Choose between water or a 3% sodium hydroxide solution for an enhanced cooling process.
• Carbonitriding Temperature: Elevate your steel's properties with carbonitriding temperatures between 790-900 °C (1450-1650 °F). Oil cooling ensures the perfect finish.
• Temper Temperature: Optimize your steel's tenacity by tempering at 120-205 °C (250-400 °F). This optional step enhances stress relief and cracking resistance, setting a new standard for excellence.

Typical Forging Temperature: Discover the Ideal Heat for AISI 1020 Mild Steel

Typical Forging Temperature: Forge AISI 1020 mild steel at an optimal temperature of 1290 °C (2350 °F) to ensure supreme quality and robustness.

AISI 1020 Carbon Steel Welding: Master the Art of Joining Excellence

Preheat and Interpass Temperatures: AISI SAE C1020 steel requires precise preheat and interpass temperatures for exceptional welding outcomes.
For thickness ≤50mm (2 in.): Ensure optimal welding by setting preheat and interpass temperatures above -12 °C for low hydrogen, or at 38 °C for other processes.
For thickness (t) 50< t ≤100: Elevate your welding craft with preheat and interpass temperatures of 93 °C for low hydrogen, and 150 °C for other applications.
Postweld Heat Treatment: Consider an optional postweld heat treatment between 590-675 °C (1100-1250 °F) to refine and stabilize the steel's properties.

Application: Expanding the Horizons of AISI 1020

Applications of AISI 1020 Steel: Transform your projects with AISI 1020 steel, available as square, flat, or round steel bars, plates, and more. Its versatility lends itself to truck, automotive, and agricultural equipment parts, while also forming steel channels, angles, I-beams, and H-beams for structural projects.

AISI SAE ASTM 1020 Steel Equivalent Material: A Global Standard

Steel Equivalents: AISI 1020 carbon steel aligns with European EN standards (including Germany's DIN, the UK's BSI, and France's NF), Japanese JIS, and Chinese GB standards, demonstrating its universal adaptability and quality.

AISI SAE ASTM 1020 steel equivalent material
US				Germany		China		Japan		ISO
Standard	AISI (UNS)	Standard	Grade	Standard	Grade (Material Number)	Standard	Grade	Standard	Grade	Standard	Grade
AISI SAE; ASTM A29/A29M	1020 (G10200)	AMS	5032D; 5045E; 5046	DIN EN 10083-2; DIN EN 10250-2	C22E (1.1151); C22 (1.0402)	GB/T 699	20 steel	JIS G4051	S20C

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