Tubo in acciaio API 5L Gr.B HFW(saldatura ad alta frequenza)
Specifica dettagliata:
1,prodotto:tubo in acciaio, tubo ERW
2,STANDARD: GB/T9711.1/API SPEC 5L
3,MATERIALE PRINCIPALE: L245,L290,L360,L418,L480,G.R B,X42,X46,X56,X65,X70,X80,X100
4,diametro esterno: 114 mm-630 mm
5,spessore parete: 1.5-40mm
6,tolleranza dimensione:
Tipo di tubo
|
Diametro esterno tubo(D)
|
Spessore/i tubo/i
|
|
|
corpo del tubo
|
Diametro esterno tubo(D)
|
Deviazione ammessa (mm)
|
Diametro esterno tubo(D)
|
Deviazione ammessa (mm)
|
≥60.3eS<20
|
±0.75%
|
≤73.0
|
+15%, -12.5%
|
|
≥60.3eS≥20
|
±1.00%
|
>73.0eS<20
|
+15%, -12.5%
|
|
|
|
>73.0eS≥20
|
+17.5%,-10
|
|
STANDARD
|
GRADO
|
COMPOSIZIONE CHIMICA
|
|
|
C
|
Si
|
Mn
|
P
|
S
|
CR
|
MO
|
Cu
|
Ni
|
V
|
ASME SA106
|
SA106B
|
0.170.25
|
≥0.1
|
0.701.00
|
≤0.030
|
≤0.030
|
≤0.035
|
|
|
|
|
ASTM A106
|
R
|
≤0.25
|
≤0.10
|
0.270.93
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
|
B
|
≤0.30
|
≤0.10
|
0.291.06
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
|
C
|
≤0.35
|
≤0.10
|
0.291.06
|
≤0.035
|
≤0.035
|
≤0.40
|
≤0.15
|
≤0.40
|
≤0.40
|
≤0.08
|
ASTM A53
|
R
|
0.25
|
/
|
0.95
|
0.05
|
0.045
|
0.40
|
0.15
|
0.40
|
0.40
|
0.08
|
|
B
|
0.3
|
/
|
1.2
|
0.05
|
0.045
|
0.40
|
0.15
|
0.40
|
0.40
|
0.08
|
ASTM A179
|
R179
|
≤0.06-0.18
|
/
|
0.27-0.63
|
≤0.035
|
≤0.035
|
|
|
|
|
|
ASTM A192
|
R192
|
0.060.18
|
≤0.25
|
0.270.63
|
≤0.035
|
≤0.035
|
|
|
|
|
|
ASTM A210
|
A-1
|
≤0.27
|
≥0.10
|
≤0.93
|
≤0.035
|
≤0.035
|
|
|
|
|
|
|
C
|
≤0.35
|
≥0.10
|
0.291.06
|
≤0.035
|
≤0.035
|