| Popis: |
FH36-TM high strong steel is used in 350t deck crane base of ship hull in our company. This material is seldom used in shipping industry, owing to high demanding of degree and Thickness welding technology. Minimum degree of welding materials is 5Y degree in using welding wire, in accordance with demanding of degree and thick steel of GL specifications of quality. Preheat temperature is established on base of the influence of temperature of the surroundings, original material degree, thickness, carbon equivalent of original material and content of hydrogen in weld metals. Welding Procedure Parameters of FH36-TM High Strong and 60mm Steel were studied by adopting single wire SAW. The results indicate that jointing properties are equal to original materials. Jointing properties and results of hardness conform to requirements of GL specifications. Drawbacks were not founded in checking jointing, and owners of ship accepted products. |
