|
Cilindro hidráulico tubo bruñido
|
|||||
|
Dentro de diám.
(Mm)
|
ID de la tolerancia (mm)
|
WT tolerancia
(Mm)
|
|||
|
H7
|
H8
|
H9
|
H10
|
||
|
≤30
|
+0.021/0
|
+0.033/0
|
+0.052/0
|
+0.084/0
|
>210mm ±10%.
|
|
30 - ≤50
|
+0.025/0
|
+0.039/0
|
+0.062/0
|
+0.100/0
|
|
|
50 - ≤80
|
+0.030/0
|
+0.046/0
|
+0.074/0
|
+0.120/0
|
|
|
80 - ≤ 120
|
+0.035/0
|
+0.054/0
|
+0.087/0
|
+0.140/0
|
|
|
120 - ≤ 180
|
+0.040/0
|
+0.063/0
|
+0.100/0
|
+0.160/0
|
|
|
180 - ≤ 250
|
+0.046/0
|
+0.072/0
|
+0.115/0
|
+0.185/0
|
|
|
250 - ≤ 315
|
+0.052/0
|
+0.081/0
|
+0.130/0
|
+0.210/0
|
|
|
315 - ≤ 700
|
+0.057/0
|
+0.089/0
|
+0.140/0
|
+0.230/0
|
|
|
Grado de acero
|
Composición química %
|
|||||
|
C
|
Si
|
Mn
|
P
|
S
|
Al.
|
|
|
≤
|
≥
|
|||||
|
20#
|
0.17-0.24
|
0.17-0,37
|
0,35-0.65
|
0,035
|
0,035
|
/
|
|
45#
|
0.42-0.50
|
0.17-0,37
|
0.50-0,80
|
0,035
|
0,035
|
/
|
|
P345B
|
≤0.2
|
≤0.5
|
1.00-1,60
|
0.03
|
0.03
|
/
|
|
P345D
|
≤0.2
|
≤0.5
|
1.00-1,60
|
0.03
|
0.03
|
0.015
|
|
25mn
|
0.22-0.29
|
0.17-0,37
|
0.70-1.00
|
0,035
|
0,035
|
/
|
|
27SiMn
|
0.24-0.32
|
1.10-1.40
|
1.10-1.40
|
0,035
|
0,035
|
/
|
|
ST52
|
≤0,22
|
≤0,55
|
≤1.6
|
0.025
|
0.025
|
/
|
|
SAE1026
|
0.22-0.28
|
0.15-0.35
|
0.60-0.90
|
0.04
|
0.05
|
/
|
|
Condiciones de entrega
|
Acabado en frío (hard) (BK)
|
El frío y alivia el estrés (BK+S)
|
|||
|
Grado de acero
|
Fuerza tensil (MPA)
|
La elongación (%)
|
Fuerza tensil (MPA)
|
Límite de fluencia (MPA)
|
La elongación (%)
|
|
20#
|
≥550
|
≥8
|
≥520
|
≥375
|
≥15
|
|
45#
|
≥640
|
≥5
|
≥600
|
≥520
|
≥10
|
|
16mn
|
≥640
|
≥5
|
≥600
|
≥520
|
≥14
|
|
25mn
|
≥640
|
≥5
|
≥600
|
≥510
|
≥15
|
|
27SiMn
|
≥800
|
≥5
|
≥760
|
≥610
|
≥10
|
|
ST52
|
≥640
|
≥5
|
≥600
|
≥520
|
≥14
|
|
SAE1026
|
≥640
|
≥5
|
≥600
|
≥510
|
≥15
|