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JIS SG255 is a Japanese steel grade for welded cylinders (Japanese standard JIS G3116: Steel sheet, plates and strip for gas cylinders). JIS G3116 SG255 steel is equivalent to Chinese welded
cylinder steel HP265 (Chinese standard GB6653: Steel plates and strips for welded gas cylinders). The JIS G3116 SG255 steel plate sheet and coil is required to have good stamping and welding
performance.
Chemical composition of JIS G3116 SG255 steel plate sheet and coil:
Grade
C
Si
Mn
P
S
SG255
≤0.20
-
≥0.30
≤0.030
≤0.030
Mechanical properties of JIS G3116 SG255 steel plate sheet and coil:
Grade
Yield strength
Tensile strength
Elongation
SG255
≥255
≥400
≥28
JIS G3116 SG255 steel equivalent grades:
Japan
EU
Germany
France
England
Italy
Spain
Chinese
JIS
EN
DIN
AFNOR
BS
UNI
UNE
GB
SG255
P245NB (1.0111)
HI
BS1
Type A
FeE24KR
AE235KR
HP265
JIS G3116 SG255 steel plate sheet and coil is used to fabricate low temperature pressure vessels like gas cylinder, which is designed to store LP gas, acetylene and other types of high-pressure
gas.
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