SB450 carbon steel plate
SB 450 steel plate, JIS 3103 SB 450 steel plate is a kind of material for boiler and pressure vessel steel. JIS 3103 SB 450 steel plate is characterized by a minimum yield strength of 220 - 295 MPa and by good weldability, so SB 450 steel is mainly used for manufacturing boilers, pressure vessels and pipes transporting hot liquids. The followings are JIS 3103 SB 450 steel plate's Chemical composition and mechanical properties. If you are looking for Chinese SB 450 steel supplier, if you want to know SB450 steel price, please be free to contact us.
Chemical analysis for SB450 carbon steel plate
| 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 | 0.3 | 0.02 | 0.03 | 0.4 | 0.025 | 0.02 | 0.3 | 0.08 | 0.3 | 0.02 |
Steel Mechanical properties
Grade
Type
Thickness mm
Yield strength Mpa(min)
Tensile Strength MPa
Elongation % (min)
Impact Energy (KVJ) (min)
-20°
0°
20
SB450
Normalized
≤16
295
460-580
21
27
34
40
16-40
290
460-580
21
27
34
40
40-60
285
460-580
21
27
34
40
60-100
260
460-580
21
27
34
40
100-150
235
440-570
21
27
34
40
150-250
220
430-570
21
27
34
40
