Steel bar for using in reinforced concrete

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Chemical Composition of steel bar

Category	Steel bar remark	Chemical composition (%)
		C	Mn	P	S	Si	C.E.
CNS   560	SD 280 W (hot rolled)	0.30 max	1.50 max	0.040 max	0.040 max	0.50 max	0.55 max
	SD 420 W (hot rolled)	0.30 max	1.50 max	0.040 max	0.040 max	0.50 max	0.55 max
	SD 280 W (heat treatment)	0.22 max	1.60 max	0.040 max	0.040 max	0.60 max	0.50 max
	SD 420 W (heat treatment)	0.22 max	1.60 max	0.040 max	0.040 max	0.60 max	0.50 max

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	280 min	420 min	-	NO.2	14 min	180	4D
				NO. 14A	17 min
SD 280 W	280 ~ 380 min	420 min	1.25 min	NO. 2	14 min	180	4D
				NO. 14A	17 min
SD 420 W	420 ~ 540 min	550 min	1.25 min	NO. 2	12 min	180	D10-D16 3D D19-D25 4D Over D25 6D

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