Products

Product: Steel bar for using in reinforced concrete (abbreviation:steel bar / bamboo-style steel bars)

●Chemical Composition of steel bar

 Category  Steel bar remark Chemical composition (%)
C Mn P S Si C.E.
 CNS 
 560 
SD280W
(hot rolled)
0.30max 1.50max 0.040max 0.040max 0.50max 0.55max
SD420W
(hot rolled)
0.30max 1.50max 0.040max 0.040max 0.50max 0.55max
SD280W
(heat treatment)
0.22max 1.60max 0.040max 0.040max 0.60max 0.50max
SD420W
(heat treatment)
0.22max 1.60max 0.040max 0.040max 0.60max 0.50max

 

Chemical Composition of steel bar

CNS
Steel bar remark Yield strength
(Y.S)N/mm
Tensile
Strength
(T.S)N/mm
Tensile strength
/
Yield strength
Test fragment Elongation
(%)
Solidworks
 angle  diamete
 CNS 
 560 
280min 420min - NO.2 14min 180 4D
NO.14A 17min
SD280W 280~380
min
420min 1.25min NO.2 14min 180 4D
NO.14A 17min
SD420W 420~540
min
550min 1.25min NO.2 12min 180 D10-D16 3D
D19-D25 4D
Over D25 6D

 

Product to be use for Steel bar: Building construction、Tunnel construction and Bridge building