Fe 430 B,Fe 430 C,Fe 430D steel plate, made under UNI7070 standard, are kind of Carbon structural steel . Fe 430 B,Fe 430 C,Fe 430D steel are Non-alloy steel for structural purposes. Structural Steels like Fe 430 B,Fe 430 C,Fe 430D are used in many applications, combining good welding properties with guaranteed strengths. There are many grades and the uses varied including civil and industrial engineering. High strength low alloys have replaced many structural steels where weight reduction is important (e.g. automotive) but with guaranteed strengths.
Fe 430 B,Fe 430 C,Fe 430D chemical composition
GRADE |
Si |
Mn |
N |
Cu |
P |
S |
|
|
≤ |
≤ |
||||||
|
Fe 430 B |
≤0.25 |
-- |
≤1.60 |
0.014 |
0.60 |
0.045 |
0.045 |
|
Fe 430 C |
≤0.21 |
-- |
≤1.60 |
0.014 |
0.60 |
0.040 |
0.040 |
|
Fe 430 D |
≤0.21 |
-- |
≤1.60 |
-- |
0.60 |
0.035 |
0.035 |
Fe 430 B,Fe 430 C,Fe 430D mechanical property
GRADE |
Tensile Strength（σb/MPa） |
Offset Yield Strength（σs/MPa） |
Charpy V-notch longitudinal |
||
|
Temp(℃) |
Energy(J) |
||||
|
Fe 430 B |
410-560 |
≥275 |
20 |
27 |
|
|
Fe 430 C |
410-560 |
≥275 |
0 |
27 |
|
|
Fe 430 D |
410-560 |
≥275 |
-20 |
27 |
|
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