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Mitsubishi Alloy No. 6B
Chemical Composition – Weight
Percent
| CR |
W |
Mo |
Ni |
Si |
Mn |
Fe |
C |
Co |
| 28.0–32.0 |
3.5-5.5 |
1.50 max |
3.0 max |
2.0 max |
2.0 max |
3.0 max |
0.9-1.4 |
Balance |
Density
0.303 lb/cu. In. (8.38 gm/cu.cm.)
Hardness
| Condition |
Form |
Room Temperature |
1200 F (649 C) |
Annealed (6B) |
Sheet |
36 Rc |
200 BHN |
HW & AGED (6B-H) |
Sheet |
49 Rc |
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TENSIL PROPERTIES
0.078 inch Sheet
| Condition |
Temperature |
UTS KSI |
0.2% YS KSI |
Elongation % |
Annealed (6B) |
Room |
145 |
90 |
12 |
HW&Aged (6B-H) |
Room |
195 |
121 |
4.5 |
Annealed (6B) |
1500F (816C) |
73 |
46 |
17 |
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