MECHANICAL PROPERTY LIMITS
Temper |
Tensile Strength |
Yield Strength |
Elongation |
Rockwell B Hardness* |
x1000PSI(N/mm²=KSI x 6.895) x1000PSI(Kgf/mm²=KSI x .7031) |
nominal % in 2in. (=% in 50 mm.) |
Nominal .020" gauge and over |
1/2 Hard |
42 - 42 |
44 |
17 |
|
1/4 Hard |
37 - 47 |
30 |
30 |
|
3/4 Hard |
46 - 56 |
50 |
9 |
|
Annealed |
34 - 40 |
10 |
45 |
|
Ex Hard |
56 - 64 |
59 |
2 max |
|
Ex Spring |
61 - 69 |
64 |
2 max |
|
Hard |
50 - 59 |
53 |
5 |
|
Spring |
6 0 - 68 |
63 |
2 max |
|
- Yield Strength - x1000PSI(Nominal .2% offset)(N/mm²=KSI x 6.895)
- Yield Strength - x1000PSI(Nominal .2% offset or range)(Kgf/mm²=KSI x .7031)
- Rockwell F, 30T, 15N, or H where noted
CHEMICAL COMPOSITION LIMITS (%)
ASTM Spec Number |
Nominal Composition |
Density |
Module of Elasticity |
Electric Conductivity |
Thermal Conductivity |
Coefficient of Thermal Expansion |
| |
(a) |
(b) |
(c) |
(d) |
(e) |
B36 |
Cu 95 Zn 5 |
0.32 |
17 |
56 |
135 |
10 |
- (a) X 106 PSI, tension (Kgf/mm² = KSI x .7031)
- (b) % IACS AT 68°F (20°C) as annealed
- (c) BTU•ft. @ 68°F ft²•hr•F (20°C)
- (d) Inches/inch/°F x 10-5 from 68°F to 572°F (20°C to 300°C)