Estándar: EN10297-1 Tubos de acero circulares sin costura para fines mecánicos y de ingeniería general
- Condiciones técnicas de suministro Tubos de acero sin aleación y de aleación
Somos fabricantes de Tubería de acero de pared gruesa en China, si desea comprar Tubos de acero de pared gruesa sin costura, Tubería cuadrada de acero de pared gruesa, Tubería de acero inoxidable de pared gruesa, Tubo de acero de pared gruesa, Tubería de acero de pared gruesa, comuníquese con nosotros.
Tubos circulares sin costura hechos de aceros sin alear y aleación para fines mecánicos y de ingeniería general.
Condición de entrega de acero circular transparente:
Normalizin proceso de laminación o normalizado por tratamiento térmico en un furnance.
Método de fabricación de tubos de acero :
Los tubos son fabricados por Seamless Cold Drawn o Seamless Cold Rolling.
Información de base:
Tamaño disponible: OD: 6-168mm WT: 1-30mm L: max12000mm
Material: pertenecen al acero de grano fino E235, E275, E315, E355, E470
C15, C22, 38Mn6, 41Cr4,
25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4
Componente químico como abajo.
|
Steel
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
Ni
|
Other elements
|
|
Steel
Name
|
Steel
Number
|
min
|
max
|
min
|
max
|
min
|
max
|
max
|
max
|
min
|
max
|
min
|
max
|
min
|
max
|
|
|
E235
|
1.0308
|
|
0.17
|
-
|
0.35
|
-
|
1.20
|
0.030
|
0.035
|
|
|
|
|
|
|
|
|
E275
|
1.0225
|
|
0.21
|
-
|
0.35
|
-
|
1.40
|
0.030
|
0.035
|
|
|
|
|
|
|
|
|
E315
|
1.0236
|
|
0.21
|
-
|
0.30
|
-
|
1.50
|
0.030
|
0.035
|
|
|
|
|
|
|
|
|
E355 b
|
1.0580
|
|
0.22
|
-
|
0.55
|
-
|
1.60
|
0.030
|
0.035
|
|
|
|
|
|
|
|
|
E470
|
1.0536
|
0.16
|
0.22
|
0.10
|
0.50
|
1.30
|
1.70
|
0.030
|
0.035
|
|
|
|
|
|
|
Al min 0.010,
N max. 0.020,
Nb Max.0.07,V 0.08/0.15
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
C22E
|
1.1151
|
0.17
|
0.24
|
-
|
0.40
|
0.40
|
0.70
|
0.035
|
0.035
|
|
|
|
|
|
|
|
|
C35E
|
1.1181
|
0.32
|
0.39
|
-
|
0.40
|
0.50
|
0.80
|
0.035
|
0.035
|
|
|
|
|
|
|
|
|
C45E
|
1.1191
|
0.42
|
0.50
|
-
|
0.40
|
0.50
|
0.80
|
0.035
|
0.035
|
|
|
|
|
|
|
|
|
C60E
|
1.1221
|
0.57
|
0.65
|
-
|
0.40
|
0.60
|
0.90
|
0.035
|
0.035
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25CrMo4
|
1.7218
|
0.22
|
0.29
|
|
0.40
|
0.60
|
0.90
|
0.035
|
0.035
|
0.90
|
1.20
|
0.15
|
0.30
|
-
|
-
|
|
|
30CrMo4
|
1.7216
|
0.27
|
0.34
|
|
0.35
|
0.35
|
0.60
|
0.035
|
0.035
|
0.80
|
1.15
|
0.15
|
0.30
|
-
|
-
|
|
|
34CrMo4
|
1.7220
|
0.30
|
0.37
|
|
0.40
|
0.60
|
0.90
|
0.035
|
0.035
|
0.90
|
1.20
|
0.15
|
0.30
|
-
|
-
|
|
|
42CrMo4
|
1.7225
|
0.38
|
0.45
|
|
0.40
|
0.60
|
0.90
|
0.035
|
0.035
|
0.90
|
1.20
|
0.15
|
0.30
|
-
|
-
|
|
|
Steel Grade
|
Delivery
Conditiion
|
Minimum tensile properties
|
|
Steel Name
|
Steel Number
|
Yield Strength(ReH)
Mpa b
|
Tensile Strength(Rm)
Mpa
|
Elongation
A%
|
|
For T in mm
|
For T in mm
|
l
|
t
|
|
≤16
|
＞16
|
＞40
|
＞65
|
＞80
|
≤16
|
＞16
|
＞40
|
＞65
|
|
|
≤40
|
≤65
|
≤80
|
≤100
|
|
≤40
|
≤65
|
≤100
|
|
E235
|
1.0
308
|
+ARora+N
|
235
|
225
|
215
|
205
|
195
|
360
|
360
|
360
|
340
|
25
|
23
|
|
E275
|
1.0
225
|
+AR ora+N
|
275
|
265
|
255
|
245
|
235
|
410
|
410
|
410
|
380
|
22
|
20
|
|
E315
|
1.0
236
|
+ARora+N
|
315
|
305
|
295
|
280
|
270
|
450
|
450
|
450
|
420
|
21
|
19
|
|
E355
|
1.0
580
|
+AR ora+N
|
355
|
345
|
335
|
315
|
295
|
490
|
490
|
490
|
470
|
20
|
18
|
|
E470
|
1.0
536
|
+AR
|
470
|
430
|
-
|
-
|
-
|
650
|
600
|
-
|
-
|
17
|
15
|
|
Steel Grade
|
Minimum tensile properties
|
|
Steel name
|
Steel number
|
Yeld strength(ReH)
MPa
|
Tensile strength(Rm)
MPa
|
Elongation A
%
|
|
For T in mm
|
For T in mm
|
For T in mm
|
|
≤16
|
＞16
|
＞40
|
≤16
|
＞16
|
＞40
|
≤16
|
＞16
|
＞40
|
|
|
≤40
|
≤80
|
|
≤40
|
≤80
|
≤40
|
≤80
|
|
|
|
|
|
|
|
l
|
t
|
l
|
t
|
l
|
t
|
|
C22E
|
1.151
|
240
|
210
|
210
|
430
|
410
|
410
|
24
|
22
|
25
|
23
|
25
|
23
|
|
C35E
|
1.1181
|
300
|
270
|
270
|
550
|
520
|
520
|
18
|
16
|
19
|
17
|
19
|
17
|
|
C45E
|
1.1191
|
340
|
305
|
305
|
620
|
580
|
580
|
14
|
12
|
16
|
14
|
16
|
14
|
|
C60E
|
1.1221
|
390
|
350
|
340
|
710
|
670
|
670
|
10
|
8
|
11
|
9
|
11
|
9
|
|
Steel Grade
|
Minimum tensile properties
|
|
Steel Name
|
Steel Number
|
Yield
strength(ReH)
Mpa
|
Tensile
strength(Rm)
Mpa
|
Elong ation A %
|
|
For T in mm
|
For T in mm
|
For T in mm
|
|
≤8
|
＞8
|
＞20
|
＞50
|
≤8
|
＞8
|
＞20
|
＞50
|
≤8
|
＞8
|
＞20
|
＞50
|
|
|
≤20
|
≤50
|
≤80
|
|
≤20
|
≤50
|
≤80
|
|
≤20
|
≤50
|
≤50
|
|
|
|
|
|
|
|
|
|
l
|
t
|
l
|
t
|
l
|
t
|
l
|
t
|
|
C22E
|
1.1151
|
340
|
290
|
270
|
260
|
500
|
470
|
440
|
420
|
20
|
18
|
22
|
20
|
22
|
20
|
22
|
20
|
|
C35E
|
1.1181
|
430
|
380
|
320
|
290
|
630
|
600
|
550
|
500
|
17
|
15
|
19
|
17
|
20
|
18
|
20
|
18
|
|
C45E
|
1.1191
|
490
|
430
|
370
|
340
|
700
|
650
|
630
|
600
|
14
|
12
|
16
|
14
|
17
|
15
|
17
|
15
|
|
C60E
|
1.1221
|
580
|
520
|
450
|
420
|
850
|
800
|
750
|
710
|
11
|
9
|
13
|
11
|
14
|
12
|
14
|
12
|
|
Steel Grade
|
Minimum tensile properties
|
|
Steel name
|
Steel nu
mber
|
Yield
strength(ReH)
Mpa
|
Tensile
strength(Rm)
Mpa
|
A
%
|
|
For T in mm
|
For T in mm
|
For T in mm
|
|
≤
8
|
＞
8
|
＞
20
|
＞
50
|
≤8
|
＞
8
|
＞
20
|
＞
50
|
≤8
|
＞8
|
＞
20
|
＞
50
|
|
|
≤20
|
≤50
|
≤80
|
|
≤20
|
≤50
|
≤80
|
|
≤20
|
≤
50
|
≤
80
|
|
l
|
t
|
l
|
t
|
l
|
t
|
l
|
t
|
|
25CrMo4
|
1.7218
|
700
|
600
|
450
|
400
|
900
|
800
|
700
|
650
|
12
|
10
|
14
|
12
|
15
|
13
|
16
|
14
|
|
30CrMo4
|
1.7216
|
750
|
630
|
520
|
480
|
950
|
850
|
750
|
700
|
12
|
10
|
13
|
11
|
14
|
12
|
15
|
13
|
|
34CrMo4
|
1.7220
|
800
|
650
|
550
|
500
|
1000
|
900
|
800
|
750
|
11
|
9
|
12
|
10
|
14
|
12
|
15
|
13
|
|
42CrMo4
|
1.7225
|
900
|
750
|
650
|
550
|
1100
|
1000
|
900
|
800
|
10
|
8
|
11
|
9
|
12
|
10
|
13
|
11
|
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