16Mo3 chemical composition is as follows: C Si Mn PS Cr Mo Ni0.12 ~ 0.2 ≤ 0.35 0.4 ~ 0.9 ≤ 0.025 ≤ 0.01 ≤ 0.33 0.25 ~ 0.35 ≤ 0.3 2. Mechanical properties are as follows: 40mm, for example, yield 270, 590, A≥22%, room temperature impact ≥ 31J3. Production process: electric furnace smelting, LF refining, VD vacuum processing, molding, ingot heating, rolling, normalizing, tempering, testing, steel cutting test, storage.
Chemical composition content and the impact on welding.
1.16Mo3 steel plate is different from other materials in welding, first to preheat, and after welding in the weld should be insulated for 30 minutes or so
2. manganese of 16mo3 steel plate is also an important alloy in the steel element, is also an important hardenable element, it has a great impact on the toughness of the weld metal.
3.16m3 steel plate ,when the Mn content <0.05% ,the weld metal toughness is high;
4.16mo3 steel plate ,when the Mn content> 3% the weld metal very brittle;
5.16m3 steel plate ,when the Mn content = 0.6 ~ 1.8%, the weld metal has a high strength and toughness.
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