JIS 3103 SB450 steel are characterised by a good weldability.
The user ofJIS 3103 SB450 steel must make sure that his calculation, design and processing methods are appropriate for the material.
TheJIS 3103 SB450 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 analysis -% by mass* (max) of SB450 steel
Grade | C. % | Mn.% | S. | N | Cu | Nb | Ti. | Si. | P. | AL | Cr. | Mo. | Ni | Vi |
SB450 | 0.08-0.2 | 0.90-1.50 | 0.015 | 0.012 | 0.30 | 0.020 | 0.03 | 0.40 | 0.025 | 0.020 | 0.30 | 0.08 | 0.30 | 0.02 |
Mechanical properties of SB450 steel
Grade | Type | Thickness mm | Yield strength Mpa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KVJ) (min) | ||
-20° | 0° | +20 | ||||||
SB450 | Normalized | ≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250 | 295 | 460-580 | 21 | 27 | 34 | 40 |
290 | 460-580 | 21 | 27 | 34 | 40 | |||
285 | 460-580 | 21 | 27 | 34 | 40 | |||
260 | 460-580 | 21 | 27 | 34 | 40 | |||
235 | 440-570 | 21 | 27 | 34 | 40 | |||
220 | 430-570 | 21 | 27 | 34 | 40 |
TAG:JIS G 3103 SB 480 ;JISG3103 SB 410 ;JIS 3103 SB450
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