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Our company will set up a full-time service engineer for the project, who is responsible for the interface and coordination of technical support and after-sales service of the Q355GNH cold rolled weathering steel coil project. In response process of customer service center, in case of technical support and after-sales service demand, the user shall contact the full-time engineer of Q355GNH cold rolled weathering steel coil customer service center, and the technical personnel will give corresponding answers and on-site treatment according to the needs of users.
The secondary quenching and low temperature tempering of wear resistant composite plate are mainly used for high alloy steel workpieces without mechanical processing after carburizing. Carburizing, high-temperature tempering, one-time heating quenching, low-temperature tempering, quenching temperature 840-860℃, mainly used for Cr Ni alloy carburizing workpiece. The second quenching and low-temperature tempering of wear-resistant composite plate, Q355GNH cold rolled weathering steel coil mainly improves the microstructure of the infiltrated layer. When the requirements for core properties are not high, quenching can be performed between AC1 and AC3, and when the requirements for core properties are high, it should be quenched above AC3.
Q355GNH cold rolled weathering steel coil, GB/T 16270 Q460C heavy plate is a high strength structural steel grade in quenched and tempered condition. Product Q355GNH cold rolled weathering steel coil stock size(mm) 6*2140*13000, 6*2080*8400, 45*1580*4900, 16*2200*9600, 12*2530*4100, 26.2*3082*4500, 16*1800*10000, 6*2160*8600, 14.5*2800*6400, 20*1600*12600, 6*2140*11500, 6*1590*8600, 22*1800*6000, 25*1800*8229, 12*2200*4300, 6*2080*8700,28.58*4343*12300, 40*2500*3400, and 81*2180*5000.
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