SG255 SG295 SG325 SG365 steel

PDF SG255 SG295 SG325 SG365 steel plates download

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THE SG255 steel plate is characterised by a minimum yield strength of 245 - 355 MPa and by good weldability. The user of SG255 steel grades must make sure that his calculation, design and processing methods are appropriate for the material. The SG255 steel grades of this series are used for manufacturing gas cylinders by welding cold-formed parts together and normalizing the finished cylinder.
JIS G 3116-2000

Steel sheet,plate and strip for gas cylinders

SG255 hot steel Chemical composition unit%

Symbol	Chemical composition
Symbol	C max	Si max	Mn max	P max	S max
SG255	0.20	-	0.30	0.040	0.040
SG295	0.20	0.35	1.00	0.040	0.040
SG325	0.20	0.55	1.50	0.040	0.040
SG365	0.20	0.55	1.50	0.040	0.040

SG255 steel plate Mechanical properties

Symbol	Yield point or proof stress N/mm2 (min)	Tensile strength N/mm2 min	Elongation % min	Tensile test piece	Bendability
Symbol	Yield point or proof stress N/mm2 (min)	Tensile strength N/mm2 min	Elongation % min	Tensile test piece	Bending Angle	Inside radius	Test piece
SG255	255	400	26	NO.5 in rolling direction	180°	Thickness x 1.0	No.3 in rolling direction
SG295	295	440	26		180°	Thickness x 1.5
SG325	325	490	22		180°
SG365	365	540	20		180°

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SG255 SG295 SG325 SG365 steel

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