BV Grade EH32 Ship Steel Plate
Products Description Give Examples to Illustrate How Chemical Composition Affects the Machinability of BV Grade EH32 Ship Steel Plate? The chemical composition of BV Grade EH32 Ship Steel Plate has a profound influence on its machinability. Let's explore this through some specific examples....
Description
Products Description
|
Grade |
YieldStrength MPA |
TensileStrength MPA |
Elongation% |
TestTemperature°C |
V Ballistic Work |
|||
|
Thickness mm |
||||||||
|
≤50 |
>50~70 |
>70~100 |
||||||
|
L |
T |
L |
T |
L |
T |
|||
|
A |
≥235 |
400-520 |
≥22 |
20 |
34 |
24 |
||
|
B |
≥235 |
400-520 |
≥22 |
0 |
27 |
20 |
34 |
24 |
|
D |
≥235 |
400-520 |
≥22 |
-20 |
27 |
20 |
34 |
24 |
|
E |
≥235 |
400-520 |
≥22 |
-40 |
27 |
20 |
34 |
24 |
|
AH32 |
≥315 |
440-570 |
≥22 |
0 |
31 |
22 |
38 |
26 |
|
DH32 |
≥315 |
440-570 |
≥22 |
-20 |
31 |
22 |
38 |
26 |
|
EH32 |
≥315 |
440-570 |
≥22 |
-40 |
31 |
22 |
38 |
26 |
|
AH36 |
≥355 |
490-630 |
≥21 |
0 |
34 |
24 |
41 |
27 |
|
DH36 |
≥355 |
490-630 |
≥21 |
-20 |
34 |
24 |
41 |
27 |
|
EH36 |
≥355 |
490-630 |
≥21 |
-40 |
34 |
24 |
41 |
27 |
|
AH40 |
≥390 |
510-660 |
≥20 |
0 |
41 |
27 |
||
|
DH40 |
≥390 |
510-660 |
≥20 |
-20 |
41 |
27 |
||
|
EH40 |
≥390 |
510-660 |
≥20 |
-40 |
41 |
27 |
Sulfur and phosphorus, although typically considered impurities, can have an impact on machinability. Sulfur can form manganese sulfide inclusions, which can act as a lubricant during machining and improve the chip breakability. However, excessive sulfur can lead to hot shortness and reduced ductility. Phosphorus, on the other hand, can increase the brittleness of the steel, making it more prone to cracking during machining.
Silicon influences the deoxidation process and the overall quality of the steel. A higher silicon content can make the steel more abrasive during machining, resulting in faster tool wear and reduced surface quality.
These examples demonstrate how even slight variations in the chemical composition of BV Grade EH32 Ship Steel Plate can significantly impact its machinability. Understanding and controlling these compositions are essential for achieving efficient and high-quality machining processes.
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