cast iron welding plate

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Riveting plate is used to weld work piece.there are holes and T-slot. The holes are used to clean the iron filings .the T-slots are used to fit the weldments. Of course, sometimes there are also no any holes and T-slots on the surface.
The raw material of riveting plate is the high -strength cast iron HT200-300 ，whose surface hardness is of HB170-240.After the two manual handing such as 600℃ to 700℃ artificial annealing as well as 2 to 3 years of natural aging, the T-slot has plate perfectly resists abrasion and has stable precision. Accuracy grade divides Grade1, Grade2, Grade 3 and finish polishing.Generally speaking, the finish polishing is the most hot-sale product.