CK45 Round Bars, CK45 Round bar manufacturer, CK45 Rods Supplier, CK45 Stockiest, CK45 Dealers, CK45 Distributors, CK45 Whole sellers.
 
Grade Introduction:
Steel CK 45 is suitable for mean strained parts of higher dimensions (heavy forged parts) and complexed forms in vehicle manufacturing and machine engineering (e.g. ship shafts, transmission parts, wheel hubs). Lowest application temp. -25 °C, favorable creep behavior up to 480 °C.
 
Grade Application:
Suitable for manufacturing various strong cutting tools with wear-resistant, resistant to impact. Advanced punching die, screw die, the toughness and complicated shape of the punch, etc. Roll cutting tool industry: scraper, serrated knife, iron knives, drill bits, etc.
Forging industry: forging die.
Screw industry: heading forming mold, such as teeth, punch.
 
Equivalent grades:
USA
German
Japan
China
ISO
ASTM A681
DIN 17350
JIS G4403
GB/T 1299
ISO 4957
1045
CK45
S45C
45
C45E4
 
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, OHNS, 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, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE52100, S40C, S355J2G3.
 
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Chemical composition:
The following table shows the chemical composition of CK45 steel:
Element
Mn
C
Si
P
S
Content(%)
0.5-0.8
0.42-0.5
0.4
0.04
0.03
 
Mechanical Properties:
Elastic modulus
217 GPa at – 100 °C
Elongation
4 -8 % at 20 °C
Poisson’s ratio
0.29 [-]  at 20 °C
Shear modulus
75 – 80 GPa at 20 °C
Tensile strength
580 – 770 MPa at 20 °C
Yield strength
330 – 640 MPa at 20 °C
 
Hardness:
 
Heat treatment:
 
Hardening:
Hardening of this grade is carried out from an austenitizing temperature of 1475-1550ºF (800-845ºC) and oil or water quenching.
Flame and induction hardening may be carried out by heating quickly to the desired case depth and quenching in water or oil. This should be followed by a tempering treatment at 300-400ºF (150-200ºC) to reduce stresses in the case without affecting its hardness. A surface hardness of Rc 58 may be obtained by this treatment.
 
Tempering:
Tempering temperature / ℃ : 552
After tempering hardness HRC or higher: 201-269HB .
 
Physical Properties:
 
Thermal Properties:
Coefficient of thermal expansion α        1.08E-5 1/K at -100 °C
Thermal conductivity λ         41.7 W/(m·K) at 20 °C
Thermal diffusivity αdiff          11.6 mm²/s at 20 °C
 
Forging Properties:
At first, Pre-Heating to 552℃,Then heat to forged temperature. Next, Soak at 820-870 °C , ensure heat thorough. Then start forged, the forged temperature no low than 560℃. After forging, cool slowly
 
Stress Reliving:
 
Normalizing:
 
Annealing:
Full annealing of small C1045 forgings is carried out from 1450-1600ºF (790-870ºC)
followed by furnace cooling at 50ºF (28ºC) per hour, to 1200ºF (650ºC) soaking and air cooling.
 
Density:
Density       7.8 g/cm³ at 20 °C
 
Machine ability:
 
Welding:
 
Supply Cities:
Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Thoothukudi, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Salem, Thajavur, Tiruchurapalli, Comibatore, Erode,  Vellore, Ranipet, Sivakasi, Karur, Hosur, Nagercoil, Kanchepuram, Karaikudi, Neyveli, Cuddalore, Kumbakonam, Thiruvannamalai, Pollachi, Rajapalayam, Gudiyatham, Pudukottai, Vaniyambadi, Ambur, Nagapattinam, Trivandrum, Vijaywada, Guntur, Thirupathi, Nazarathpet, Kakinada, Kurnool, Kadapa, Nizamabad, Mahabubnagar, Karimnagar.