C20 Steel Round Bar, C20 Steel Round Bar Manufacturers, C20 Steel Suppliers, C20 Stockist, C20 Steel Dealers, C20 Steel Distributors, C20 Wholesalers, C20 Steel Traders, C20 Steel Square Distributors, C20 Steel Flat Bar, C20 Steel Companies Near me.
 
 
Grade Introduction:
C-20 carbon steel is an unalloyed low carbon mild steel grade supplied as a hot rolled or bright drawn finish bar. As a low carbon steel grade, it provides low strength with good machinability and is suitable for welding.
 
Grade Application:
Commonly used for general engineering C-20 is suitable for applications such as bolts, shafts, spacers, hubs, base plates, brackets. fixtures and jigs.
 
Equivalent grades:
 
Addition to other grades:
MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, OHNS, HCHCR, D2, D3, H-11, H-13, CW-1, M2, M35, M42, 2714, SKD-11, P20, P20+S, P20+Ni, SCM 420, ASTM SA-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 4140, SAE 8620, 16MNCR5, 20MNCR5, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE 52100, S40C, S355J2G3.
 
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Chemical composition:
The following table shows the chemical composition of C20 steel:
Element
C
Mn
Si
S
P
Content(%)
0.25 Max
1.00 Max
0.05-0.35
0.06 Max
0.06 Max
 
Mechanical Properties:
MECHANICAL PROPERTIES
METRIC
IMPERIAL
Tensile strength
425 MPa
61600 psi
Yield strength
360 MPa
52200 psi
Shear modulus
80.0 GPa
11600 ksi
Bulk modulus
140 GPa
20300 ksi
Elastic modulus
190-210 GPa
27557-30458 ksi
Poisson’s ratio
0.27-0.30
0.27-0.30
Elongation at break
0.15
0.15
Reduction of area
0.4
0.4
Hardness Brinell
121
121
Hardness, Knoop
140
140
Hardness, Rockwell B
68
68
Hardness, Vickers
126
126
Machinability
65
65
 
Hardness:
 
Heat treatment:
When hardening C-20 heat treatment temperatures, including the rate of heating, cooling, and soaking times will vary due to factors such as the shape and size of each component. Other considerations during the heat treatment process include the type of furnace, quenching medium, and workpiece transfer facilities.
 
Hardening:
As a low carbon steel C-20 is not ideally suited for heat treatment (EN8 or EN9 may be a better-suited option). If hardening is required heat to a temperature of 880-910°C. Quench in water and temper.
 
Tempering:
 
Physical Properties:
 
Thermal Properties:
PROPERTIES
METRIC
IMPERIAL
Thermal conductivity
51.9 W/mK
360 BTU in/hr.ft².°F
 
Forging Properties:
 
Stress Reliving:
 
Normalizing:
 
Annealing:
C-20 is commonly supplied bright drawn or as rolled. If annealing is required heat to 880-910°C, furnace cool.
 
Density:
 
Machinability:
Surface ‘ripping’ is more evident in EN3 so lubrication is essential. Fairly high surface speeds should be used with moderate feeds. Screw cutting is easy with cutting oil and achieving a fine finish is achieved with slight polishing. Very nice to weld with good flow and strength.
 
Welding:
 
Supply Cities:
Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Salem, Thanjavur, Trichy, Erode, Vellore, Ranipet, Sivakasi, Karur, Hosur, Nagercoil, Kanchipuram, Karaikudi, Neyveli, Cuddalore, Kumbakonam, Thiruvannamalai, Pollachi, Rajapalayam, Gudiyatham, Pudukottai, Vaniyambadi, Ambur, Nagapattinam, Trivandrum, Vijayawada, Guntur, Thirupathi, Nazarathpet, Kakinada, Kurnool, Kadapa, Nizamabad, Mahabubnagar, Karimnagar.
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