ARCONIC/ALCOA 美国铝业5083 铝合金光谱标样SS-5083 AA CD-1 Aluminum AA CD-2 Aluminum AA CD-3 Aluminum AA CD-4 Aluminum AA Chip Binary Aluminum Chips AA Chip Regular Aluminum Chips AA Chip Setup Aluminum Chips AA Chip SS-390 Aluminum Chips AA CO-1 Aluminum AA CO-2 Aluminum AA CU-1 Aluminum AA CU-2 Aluminum AA CU-3 Aluminum AA CU-7 Aluminum AA Custom 1-10 Low Silicon Without Volatile AA D1072 Magnesium AA D1073 Magnesium AA D1074 Magnesium AA D1075 Magnesium *LAST 01/19* AA E1273 Magnesium AA FE-10 Aluminum AA FE-11 Aluminum AA FE-12 Aluminum AA FE-4 Aluminum AA FE-6 Aluminum AA FE-7 Aluminum AA FE-8 Aluminum AA FE-9 Aluminum