JISG 3116 SG325 steel are characterised by a good weldability. The user of JISG 3116 SG325 steel must make sure that his calculation, design and processing methods are appropriate for the material. The JISG 3116 SG325 steel of this series are used for manufacturing gas cylinders by welding cold-formed parts together and normalizing the inished cylinder.
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Chemical composition unit%
Symbol | Chemical composition | ||||
C max |
Si max |
Mn max |
P max |
S max |
|
SG325 | 0.20 | 0.55 | 1.50 | 0.040 | 0.040 |
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 | |||||
SG325 | 325 | 490 | 22 | NO.5 in rolling direction | 180° | Thickness x 1.0 Thickness x 1.5 |
No.3 in rolling direction |
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