| DESCRIPTION OF THE MATERIAL: |
| AB 21 contains approximately
13,00% Aluminium, 4,50% Iron. AB 21 has a better hardness and
mechanical properties
than AB 18 |
| APPLICATIONS: |
| As die material
for forming, bending and drawing of stainless steel. Rollers for
bending pipes. |
| MECHANICAL
PROPERTIES: |
| Tensile Strenght
Rm |
:
700 N / mm2 |
| Yield Strenght Rp
0,2 |
:
400 N / mm2 |
| Elongation (A5)
|
:
1 %min. |
| Hardness
(Brinell) |
:
250 - 300 HB30 |
| Hardness
(Rockwell) |
:
30 HrC |
| Elastic Modulus
|
:
105 x 103 N /
mm2 |
| PHYSICAL
PROPERTIES : |
| Density |
: 7,2 g/cm2 |
| Specific Heat |
: 0,42 j/G.K |
| Electrical Conductivity
|
: 6 MS/m |
| Electrical
Conductivity
(I.A.C.S) |
: 10 % |
| Thermal
Conductivity |
: 42 W / m.K |
| Coefficient of Thermal
Expantion |
: 16,0 x 10- 6
/K |
|
