NBM Lead Free Metallography
 Figure 1: .5 inch (12.7mm dia) 100x mag. - Grain size = 0.035mm |
 Figure 1: .5 inch (12.7mm dia) Shavings |
Machinability (% OF C36000) |
87% MIN |
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| Forgability (% OF c37700) |
90% MIN |
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| Ultimate Tensile Strength |
375 Mpa 54,360 PSI |
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| Elongation (Drawn Condition) |
16% MIN |
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| Elongation (Extruded Only Condition) |
42% MIN |
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| Hardness | 66 Rb |
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| Conductivity (% IACS) |
34% MIN |
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 Figure 2: .75 inch (19.05mm dia) 100x mag. - Grain size = 0.050mm |
 Figure 2: .75 inch (19.05mm dia) Shavings |
Machinability (% OF C36000) |
87% MIN |
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| Forgability (% OF c37700) |
90% MIN |
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| Ultimate Tensile Strength | 328 Mpa 47,385 PSI |
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| Elongation (Drawn Condition) |
16% MIN |
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| Elongation (Extruded Only Condition) |
42% MIN |
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| Hardness | 58 Rb |
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| Conductivity (% IACS) |
34% MIN |
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 Figure 3: 1 inch (25.4mm dia) 100x mag. - Grain size = 0.070mm |
 Figure 3: 1 inch (25.4mm dia) Shavings |
Machinability (% OF C36000) |
87% MIN |
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| Forgability (% OF c37700) |
90% MIN |
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| Ultimate Tensile Strength | 309 Mpa 44,673 PSI |
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| Elongation (Drawn Condition) |
17% MIN |
||||
| Elongation (Extruded Only Condition) |
42% MIN |
||||
| Hardness | 57 Rb |
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| Conductivity (% IACS) |
34% MIN |
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 Figure 4: 1.25 in (31.75mm dia) 100x mag. - Grain size = 0.070mm |
 Figure 4: 1.25 in (31.75mm dia) Shavings |
Machinability (% OF C36000) |
87% MIN |
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| Forgability (% OF c37700) |
90% MIN |
||||
| Ultimate Tensile Strength | 312 Mpa 45,126 PSI |
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| Elongation (Drawn Condition) |
24% MIN |
||||
| Elongation (Extruded Only Condition) |
42% MIN |
||||
| Hardness | 57 Rb |
||||
| Conductivity (% IACS) |
34% MIN |
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 Figure 5: 1.5 inch (38.1mm dia) 100x mag. - Grain size = 0.070mm |
 Figure 5: 1.5 inch (38.1mm dia) Shavings |
Machinability (% OF C36000) |
87% MIN |
||
| Forgability (% OF c37700) |
90% MIN |
||||
| Ultimate Tensile Strength | 328 Mpa 47,256 PSI |
||||
| Elongation (Drawn Condition) |
25% MIN |
||||
| Elongation (Extruded Only Condition) |
42% MIN |
||||
| Hardness | 58 Rb |
||||
| Conductivity (% IACS) |
34% MIN |
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 Figure 6: 2 inch (50.8mm dia) 100x mag.n - Grain size = 0.070mm |
 Figure 6: 2 inch (50.8mm dia) Shavings |
Machinability (% OF C36000) |
87% MIN |
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| Forgability (% OF c37700) |
90% MIN |
||||
| Ultimate Tensile Strength | 305 Mpa 44,175 PSI |
||||
| Elongation (Drawn Condition) |
28% MIN |
||||
| Elongation (Extruded Only Condition) |
42% MIN |
||||
| Hardness | 57Rb |
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| Conductivity (% IACS) |
34% MIN |
