... Cold Rolled Steel , Hot Rolled Steel Size Range: MIN 3.0 X 3.0 mm , Max 1000 X 2000 mm , thickness : ... requirement MIN Quantity: 1000pcs Machining: stamping machine for 6.3 Tons to 160 Tons . Product Max size : 1000 X 600mm Surface treatment: ... Control: Chemical analysis, mechanical properties, impact testing, pressure testing, 3-D co-ordinate CMC, metallography, magnetic particle flaw inspection, etc ...