Smooth Alloy Steel 1020 Carbon Sheet Plate Bar Properties China Origin

Model NO.
carbon steel
Composition
Stainless Steel Scrap
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
Reference Price
$ 486.00 - 540.00
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Product Description

SAE AISI 1020 Steel Properties: Unveiling the Yield Strength & Equivalents of C1020 Carbon Steel

ASTM SAE AISI 1020 Steel: Premium Quality and Reliability

Discover the Excellence of AISI 1020 Steel, also known as C1020 Steel, in its cold worked state. This versatile plain carbon steel is celebrated for its exceptional machinability and weldability. Available in hot rolled or cold drawn forms, it is often turned, polished, or cold drawn, offering enhanced performance. Its low carbon content ensures resistance against induction or flame hardening, making it a top choice for various applications.

AISI SAE 1020 Steel: Comprehensive Properties & Specifications

Detailed Data Sheet: Explore the Chemical Composition, Physical & Mechanical Properties of SAE AISI 1020 Steel

Chemical Composition: Detailed Breakdown

  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: Essential Metrics

Melting Point: AISI 1020 Steel melts at 1515 °C (2760 °F)
Density: The density of 1020 steel is 7.87 g/cm³ (0.0361 lbs/in³)
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: Uncovering Strength and Durability

Mechanical Properties Overview: Yield Strength, Tensile Strength, Elongation, Section Reduction, and Hardness of AISI SAE 1020 in various conditions.

6
psi).
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: Effortless Precision and Performance

Machinability Rating: AISI SAE 1020 carbon steel boasts a machinability rating of 65, based on the 100% rating of 1212 steel.

Heat Treatment of SAE AISI 1020 Steel: Mastering Material Properties

Comprehensive Heat Treatment Guide: Normalizing, Annealing, and Austenitizing processes for SAE AISI 1020 mild steel.

Normalizing of AISI 1020: Optimal Conditions

Ideal Normalizing Temperature: For SAE AISI 1020 mild steel, the recommended normalizing temperature is 915 °C (1675 °F).

Annealing of AISI 1020: Achieving Perfect Results

Annealing Recommendations: Ideal temperature and cooling cycle for full annealing of small carbon steel forgings (size ≤ 3 in.):
Annealing Specifications: Temperature range is 855-900 °C (1575-1650 °F), cooling from 855 °C (1575 °F) to 700 °C (1290 °F) with a furnace cooling speed of 28 °C/h (50 °F/h). Expected Brinell hardness is 111-149 HB.

Reheating (Austenitizing): Precision in Hardening

Austenitizing Temperatures: For hardening, SAE 1020 steel is reheated at 760-790 °C (1400-1450 °F). Carburizing typically occurs at 900 to 925 °C (1650 to 1700 °F).

Case Hardening: Enhancing Surface Strength

The surface hardening carburization temperature of 1020 carbon steel lies between 970-955 °C. This crucial process is predominantly conducted in a mixed gas environment of methane and carrier gas. Post-carburization hardening is typically accomplished by direct quenching from the carburizing temperature into water or brine, ensuring heightened strength and durability.

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 a 3% Sodium Hydroxide Solution;
  • Carbonitriding Temperature: 790-900 °C (1450-1650 °F), Cooling Method: Oil;
  • Temper Temperature: 120-205 °C (250-400 °F). This step is optional but is recommended for stress relief and enhancing resistance to cracking.

Typical Forging Temperature

The typical forging temperature for AISI 1020 mild steel is 1290 °C (2350 °F), ensuring optimal workability and material integrity.

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 environments, and 38 °C for non-low hydrogen settings.
For thickness (t) 50< t ≤100, the recommended preheat and interpass temperature is 93 °C for low hydrogen environments, and 150 °C for non-low hydrogen settings.
Postweld heat treatment is optional, with the temperature range set between 590-675 °C (1100-1250 °F) to achieve desired mechanical properties.

Applications

ASTM AISI SAE 1020 steel is versatile, offering a wide range of semi-finished products including square, flat, and round steel bars, as well as steel plates. These can be utilized in manufacturing truck, automotive, and agricultural equipment parts such as axles, mechanical components, cold head bolts, motor and pump shafts, ratchets, light gears, gear drives, worm gears, spindles, seat brackets, crane-cable drums, and motor-brake wheels. Additionally, they are often formed into structural shapes like steel channels, angles, I-beams, and H-beams.

AISI SAE ASTM 1020 Steel Equivalent Materials

SAE ASTM AISI 1020 carbon steel is equivalent to European EN (Germany DIN EN, British BSI, French NF), Japanese JIS, and Chinese GB standards, ensuring cross-compatibility and recognized quality across global markets.
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    

Detailed Photos

Smooth Alloy Steel 1020 Carbon Sheet Plate Bar Properties China Origin Smooth Alloy Steel 1020 Carbon Sheet Plate Bar Properties China Origin Smooth Alloy Steel 1020 Carbon Sheet Plate Bar Properties China Origin Smooth Alloy Steel 1020 Carbon Sheet Plate Bar Properties China Origin Smooth Alloy Steel 1020 Carbon Sheet Plate Bar Properties China Origin Smooth Alloy Steel 1020 Carbon Sheet Plate Bar Properties China Origin


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