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Chemical composition % of steel 817M37
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
|
0.32 - 0.4 |
max 0.4 |
0.5 - 0.8 |
0.9 - 1.2 |
max 0.035 |
max 0.035 |
0.9 - 1.2 |
0.15 - 0.3 |
Mechanical properties of steel 817M37
|
Nominal thickness (mm): |
to 160 |
160 - 330 |
330 - 660 |
|
Rm - Tensile strength (MPa) (+QT) |
750 |
700 |
650 |
|
Nominal thickness (mm): |
to 8 |
8 - 20 |
20 - 50 |
50 - 80 |
|
Rm - Tensile strength (MPa) (+QT) |
1100 |
1000 |
900 |
800 |
|
Nominal thickness (mm): |
to 8 |
8 - 20 |
20 - 50 |
50 - 80 |
|
ReH - Minimum yield strength (MPa) (+QT) |
900 |
800 |
700 |
600 |
|
Nominal thickness(mm): |
to 160 |
160 - 330 |
330 - 660 |
|
Re - Upper yield strength (MPa) (+QT) |
550 |
500 |
450 |
|
KV - Impact energy (J) longitud., (+QT) |
+20°
35-45 |
|
KV - Impact energy (J) transverse, (+QT) |
+20°
25-27 |
|
Nominal thickness (mm): |
to 160 |
160 - 330 |
330 - 660 |
|
A - Min. elongation at fracture (%) longitud., (+QT) |
14 |
15 |
16 |
|
A - Min. elongation at fracture (%) transverse, (+QT) |
10-12 |
|
Nominal thickness (mm): |
to 8 |
8 - 20 |
20 - 50 |
50 - 80 |
|
A - Min. elongation at fracture (%) longitud., (+QT) |
10 |
11 |
12 |
13 |
|
Brinell hardness (HBW): (+A) |
241 |
