Hot Rolled JIS G3116 SG255 Gas cylinder Steel

SG255 hot-rolled alloy steel coil is welded steel grades in Japan, the equivalent of domestic welding steel HP265, SG255 steel coil has good chemical properties and mechanical properties.

JIS G3116 SG255 steel plate/coil shall be manufactured using the electric arc process or an oxygen process.

JIS G3116 SG255 Chemical composition:

Symbol	Chemical composition
Symbol	C max	Si max	Mn max	P max	S max
SG255	0.20	-	0.30	0.040	0.040

JIS G3116 SG255 Mechanical Composition:

Symbol	Yield point or proof stress N/mm2 (min)	Tensile strength N/mm2 min	Elongation % min	Tensile test piece	Bendability
					Bending Angle	Inside radius	Test piece
SG255	255	400	26	NO.5 in rolling direction	180°	Thickness x 1.0 Thickness x 1.5	No.3 in rolling direction

JIS G3116 SG255 Welded gas cylinders used steel plates and coils are mainly for LNP cylinders buildings.