JIS G3116 SG295 is a kind of steel for pressure vessels .The standard of G3116 SG295 is JIS G3116 .SG255, SG295, SG325, SG365 is used to fabricate low temperature pressure vessels like gas cylinder.
JIS G3116 SG295 steel shall be manufactured using the electric arc process or an oxygen process.
Welded gas cylinders used steel plates and coils are mainly for LNP cylinders buildings.
SG295 Steel Plate Chemical composition:
| Symbol |
Chemical composition |
C
max |
Si
max |
Mn
max |
P
max |
S
max |
| SG295 |
0.20 |
0.35 |
1.00 |
0.040 |
0.040 |
SG295 Steel Plate Mechanical Properties:
| 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 |
| SG295 |
295 |
440 |
26 |
NO.5 in rolling direction |
180° |
Thickness x 1.0
Thickness x 1.5 |
No.3 in rolling direction |
JIS G3116 SG295 steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe, spiral case and other equipment and components.
We also can supply SG255,SG325,SG365,please contact us if you need.
