THE WELDING OF COPPER AND ITS ALLOYS - Wiley Online Library. Manganese 1245 2150. Nickel .... bronze has 4 to 5% tin, Grade C about 8% tin, and. Grade D about ..... 360 and 750” F. is needed in ..... brazing 1500 sets of 6-piece kitchen utensils per .... ver soldering was published by most convenient, the strongest, mmt.