Introduction to 16Mo3 material:
16Mo3 steel plate is a pressure vessel EN10028-2 designated grade chromium molybdenum steel alloy used for materials at elevated working temperature, used for manufacturing industrial boilers and weldable steel in stainless steel pressure vessels of petroleum, natural gas and chemical industries.
16Mo3 steel plate is a kind of foreign trademark steel plate, which is different from other raw materials in welding. It needs to be preheated first, and the weld seam should be kept for about 30 minutes after the completion of welding. 16Mo3 manganese steel plate is also an important alloy element of steel, it is an important hardenability element, it has a great influence on the patience of weld metal.
16Mo3 executive standard: European standard EN10028-2
16Mo3 material
Chemical composition % of 16Mo3:
| C | Si | Mn | Ni | P | S | Cr | Mo | N | Cu |
| 0.12-0.2 | max 0.35 | 0.4-0.9 | max 0.3 | max 0.025 | max 0.01 | max 0.3 | 0.25-0.35 | max 0.012 | max 0.3 |
Mechanical properties of 16mo3:
The mechanical properties of 16Mo3 are outlined in the table below.
| Grade |
Thickness |
Temperature (°C) |
|||||||||
|
50 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
||
|
(mm) |
MPa |
MPa |
MPa |
MPa |
MPa |
MPa |
MPa |
MPa |
MPa |
MPa |
|
| 16Mo3 |
≤16 |
273 |
264 |
250 |
233 |
213 |
194 |
175 |
159 |
147 |
141 |
|
>16 ≤40 |
268 |
259 |
245 |
228 |
209 |
190 |
172 |
156 |
145 |
139 |
|
|
>40 ≤60 |
258 |
250 |
236 |
220 |
202 |
183 |
165 |
150 |
139 |
134 |
|
|
>60 ≤100 |
238 |
230 |
218 |
203 |
186 |
169 |
153 |
139 |
129 |
123 |
|
|
>100 ≤150 |
218 |
211 |
200 |
186 |
171 |
155 |
140 |
127 |
118 |
113 |
|
|
>150 ≤250 |
208 |
202 |
191 |
178 |
163 |
148 |
134 |
121 |
113 |
108 |
|
Material characteristics of 16mo3:
Heat resistance;
Corrosion resistance;
When the content of Mn is less than 5%, the patience of weld metal is very high;
When the content of Mn is more than 3%, it is brittle again;
When the content of Mn is 60% ~ 180%, the weld metal has higher strength and resistance.
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