| |
|
|
| 731
B |
| Classification |
|
| EN 758 |
: |
T42 4 B C 3H5 / T42 4 B M 3 H5 |
| DIN 8559 |
: |
SG B1 C Y 4254/SG
B1 M21 Y 4254 |
| AVS/ASME-SFA-5.20 |
: |
E 70 T-5 |
|
 |
|
Lloyds |
|
| TÜV,
DB, GL, Controlas, BV, LR, DNV, PRS, ABS |
 |
| Applications |
|
| - Ship building steels |
A, B, D, E, AH32 EH 36 |
| - Unalloyed structural
steels |
St 33, St 37.2 St.52.3 DIN 17
100 |
| - Pressure vessels |
HI, H II, 17Mn4 DIN 17 155 |
| - Pipe steels :
(Orbital welding) |
St 37.0 ‘den St.52.0’a DIN1626/1629
St 37.4’ten St.52.4’e DIN1628/1630
St.35.8, St 45.8 DIN 17 175
StE 290.7 TM’den StE. 480 7 TM’e DIN 17 172
|
| - Steels to API-standarts |
X42’den X 70’e API-STANDARD |
| - Fine grain steels |
StE 255’ ten StE 460’a DIN 17 102 |
 |
| All
weld metal analysis (%) |
|
| C |
|
|
|
|
| |
1.4 |
0.6 |
<0.015 |
<0.015 |
 |
| Mechanical
Properties |
| Yield |
Tensile |
Impact Energy |
Elongation |
| Strength |
Strength |
ISO-V |
(Io=5do) |
| (N/mm²) |
(N/mm²) |
(J) |
(%) |
| > 470 |
550-640 |
-20° C: > 100
-40° C: > 60 |
>27 |
 |
|