DIN17165 17 Mn 4,19 Mn 8 Steel for Boilers and Pressure Vessels steel plates is a kind of material for boiler and pressure vessel steel. DIN17165 17 Mn 4,19 Mn 8 Steel for Boilers and Pressure Vessels steel plates is characterized by a minimum yield strength of 280-355 MPa and by good weldability, so DIN17165 17 Mn 4,19 Mn 8 Steel for Boilers and Pressure Vessels steel is mainly used to for manufacturing boilers, pressure vessels and pipes transporting hot liquids. the following are DIN17165 17 Mn 4,19 Mn 8 Steel for Boilers and Pressure Vessels steel plate's Chemical composition and mechanical properties.
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DIN17165 17 Mn 4,19 Mn 8 Steel for Boilers and Pressure Vessels Chemical composition -% by mass* (max)
|
Grade |
C. % |
Mn.% |
S. |
N |
Cu |
Nb |
Ti. |
Si. |
P. |
AL |
Cr. |
Mo. |
Ni |
Vi |
|
19 MN 8 |
0.10-0.22 |
0.10-1.70 |
0.015 |
0.012 |
0.30 |
0.020 |
0.03 |
0.60 |
0.025 |
0.020 |
0.30 |
0.08 |
0.30 |
0.02 |
|
17 MN 4 |
0.08-0.2 |
0.90-1.50 |
0.015 |
0.012 |
0.30 |
0.020 |
0.03 |
0.40 |
0.025 |
0.020 |
0.30 |
0.08 |
0.30 |
0.02 |
19 Mn 8 Chemical composition,19 Mn 8 Mechanical properties
|
Grade |
Type |
Thickness mm |
Yield strength Mpa(min) |
Tensile Strength MPa |
Elongation % (min) |
Impact Energy (KVJ) (min) |
||
|
-20° |
0° |
+20 |
||||||
|
19 MN 8 |
Normalized |
≤16 16>to≤40 40>to≤60 60>to≤100 100>to≤150 150>to≤250 |
355 |
510-650 |
20 |
27 |
34 |
40 |
|
345 |
510-650 |
20 |
27 |
34 |
40 |
|||
|
335 |
460-580 |
20 |
27 |
34 |
40 |
|||
|
315 |
490-630 |
20 |
27 |
34 |
40 |
|||
|
295 |
480-630 |
20 |
27 |
34 |
40 |
|||
|
280 |
470-630 |
20 |
27 |
34 |
40 |
|||
|
17 MN 4 |
Normalized |
≤16 16>to≤40 40>to≤60 60>to≤100 100>to≤150 150>to≤250 |
295 |
460-580 |
21 |
27 |
34 |
40 |
|
290 |
460-580 |
21 |
27 |
34 |
40 |
|||
|
285 |
460-580 |
21 |
27 |
34 |
40 |
|||
|
260 |
460-580 |
21 |
27 |
34 |
40 |
|||
|
235 |
440-570 |
21 |
27 |
34 |
40 |
|||
|
220 |
430-570 |
21 |
27 |
34 |
40 |
|||
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