JIS S 20 CK

JIS S 20 CK

JIS JIS S 20 CK Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.



Chemical composition(mass fraction)(wt.%) of the JIS S 20 CK

Element Weight %
C 0.20-0.25
Mn 0.30-0.60
P 0.04 (max)
S 0.05 (max)



Mechanical Properties of steel grade JIS S 20 CK

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
218 (≥) 117 (≥) 34 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade JIS S 20 CK

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13     0.14  
928 276 32.3 222    
352 43 21.2   213 323

Heat Treatment of steel grade JIS S 20 CK

Heat treated : 1542°C – 1855°C

Technological Curves of steel grade JIS S 20 CK

Cross Reference Table (Equivalent Grade) of JIS S 20 CK

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
UNS G10080 UNS USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
UNS G10110 UNS USA General use carbon steel bar
ASTM 1012 ASTM USA General use carbon steel bar
UNS G10120 UNS USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
UNS G10130 UNS USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
UNS G10150 UNS USA General use carbon steel bar
UNS G10160 UNS USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
UNS G10170 UNS USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar