Norme: EN10297-1 Tubes circulaires en acier sans soudure pour l'ingénierie mécanique et générale
- Conditions techniques de livraison Tubes en acier allié et non allié
Nous sommes fabricant de tubes en acier épais de mur en Chine, si vous voulez acheter Tubes en acier épais sans soudure, Tubes carrés en acier épais, Tubes épais en acier inoxydable, Tubes en acier épais, Tubes en acier épais, veuillez nous contacter.
Tubes circulaires sans soudure en aciers non alliés et alliés pour l'ingénierie mécanique et générale.
Acier circulaire sans soudure Condition de livraison:
Normalizin procédé de laminage ou normalisé par traitement thermique dans un four.
Méthode de fabrication de tuyaux en acier :
Les tubes sont fabriqués par Seamless Cold Drawn ou Seamless Cold Rolling.
Informations de base:
Taille disponible: OD: 6-168mm WT: 1-30mm L: max12000mm
Matériel: appartiennent à l'acier à grain fin E235, E275, E315, E355, E470
C15, C22, 38Mn6, 41Cr4,
25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4
Composant chimique comme ci-dessous.
|
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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