20C8 Steel Round Bar, 20C8 Steel Round Bar Manufacturers, 20C8 Steel Suppliers, 20C8 Stockist, 20C8 Steel Dealers, 20C8 Steel Distributors, 20C8 Wholesalers, 20C8 Steel Traders, 20C8 Steel Square Distributors, 20C8 Steel Flat Bar, 20C8 Steel Companies Near me.
 
 
Grade Introduction:
20C8 Carbon steel is an unalloyed low carbon grade. Components when carburized have a core strength range of 430-490N/mm² with the hard wear-resistant surface case. It is a popular case hardening steel grade for general engineering, readily machinable and weldable in its supply condition. 20C8 is low tensile steel suited for lightly stressed components.
 
Grade Application:
Commonly used for general engineering lightly stressed applications that are subject to wear, 20C8 is suitable for applications such as collets, cams, rollers, bushes, spindles, and gears.
 
Equivalent grades:
IS

 

BS

 

DIN

 

SAE

 

Current

 

Obsolete

 

Obsolete

 

Current

 

Obsolete

 

Current

 

Current

 

 

20C8

 

C20

 

3D

 

070M20

 

 

 

 

1018, 1019,

 

1021,

 

1022

 

 

 
Addition to other grades:
MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, 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, C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE 52100, S40C, S355J2G3.

 

 
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20C8, 20C8 Steel, 20C8 Chemical composition, 20C8 Mechanical properties, 20C8 Equivalent Grades, 20C8 Steel plate, 20C8 Steel sheet, 20C8 Manufacturers, 20C8 Suppliers, 20C8 Dealers, 20C8 Stockist, 20C8 Distributors, 20C8 Wholesalers, 20C8 Traders.
 
Chemical composition:
The following table shows the chemical composition of 20C8 steel:
Element
C
Mn
Si
S
P
Content (%)
0.15 – 0.25
0.60 – 0.90
0.15 – 0.35
0.40 Max
0.40 Max
 
Mechanical Properties:
TYPICAL MECHANICAL PROPERTIES
TENSILE STRENGTH N/MM²
18          
IMPACT IZOD J
IMPACT KCV J
 
430
18
39
35
 
Hardness:
 
Heat treatment:
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 steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium, and workpiece transfer facilities.
 
Hardening:
Harden at a temperature of 760-780°C. Quench in water.
 
Tempering:
Tempering is recommended for stress relief and maximum case toughness. Tempering ranges from 150-200°C.
 
Physical Properties:
 
Thermal Properties:
Property
Imperial
Metric
Thermal Conductivity

 

51.9 W/mK

 

360 BTU in/hr.ft².°F

 

 
Forging Properties:
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.

 

 

Stress Reliving:
 
Normalizing:
 
Annealing:
 
Density:
 
Machinability:
Long, gummy chips characterize this alloy’s machinability. It can be machined in the annealed condition, however, condition H1150M will yield the best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.

 

 

Welding:
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.

 

 

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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