|
Estándar del perno |
Grade |
Medida del perno |
Resistencia a la tracción |
Fuerza de rendimiento |
Alargamiento |
Hardness |
Marcado de la cabeza |
|
|
in. |
ksi |
ksi |
% |
Surface 30N max |
Core Rockwell |
|||
|
SAE J429 |
GR.2 |
1/4 to 3/4 |
74 |
57 |
18 |
/ |
B80-100 |
/ |
|
over 3/4 to 1-1/2 |
60 |
36 |
18 |
/ |
B70-100 |
|||
|
GR.5 |
1/4 to 1 |
120 |
92 |
14 |
54 |
C25-34 |
|
|
|
over 1 to 1-1/2 |
105 |
81 |
14 |
50 |
C19-30 |
|||
|
GR.8 |
1/4 to 1-1/2 |
150 |
130 |
12 |
58.6 |
C33-39 |
|
|
