Nom du produit: GB 9948 Material10 # 20 # 12CrMo 15CrMo 12Cr1MoV Petroleum fissuration des tubes en acier sans soudure
Nous sommes fabricant de tubes en acier sans soudure en Chine, si vous voulez acheter Tube en acier au carbone sans soudure, Tube en acier à cylindre d'huile, Tube en acier sans soudure de précision, Tube en acier hydraulique Cylindre, veuillez nous contacter.
Diamètre extérieur: 3 ~ 600mm
Épaisseur de paroi: 0.5 ~ 50mm
Application: Il est employé pour les tubes en acier sans couture pour le four, les échangeurs de chaleur craquage de pétrole etc.
Tableau 1 Tolérances du diamètre extérieur et de l'épaisseur de paroi : mm
|
Sort Code
|
Manufacuring Method
|
Nominal Size
|
Tolerances
|
|
Common Level
|
High Level
|
|
W-H
|
Hot
Rolling (Extrusion)
|
Outer
Diameter D
|
≤54
|
±0.50
|
±0.30
|
|
＞54~325
|
±1%D
|
±0.75%D
|
|
＞325
|
±1%D
|
-
|
|
Wall
Thicknass S
|
≤20
|
+15%S
-10%S
|
±10%S
|
|
＞20
|
+12.5%S
-10%S
|
±10%S
|
|
Hot
Expand
|
Outer
Diameter D
|
All
|
±1%D
|
|
Wall
Thicknass S
|
All
|
±15%S
|
|
W-C
|
Cold
Drawn(Rolling)
|
Outer
Diameter D
|
≤25.4
|
±0.15
|
|
＞25.4~40
|
±0.20
|
|
＞40~50
|
±0.25
|
|
＞50~60
|
±0.30
|
|
＞60
|
±0.75%D
|
±0.5%D
|
|
Wall
Thicknass S
|
≤3.0
|
±0.3
|
±0.2
|
|
＞3.0
|
±10%S
|
±7.5%S
|
Tableau 2 Tolérance de l'épaisseur minimale de paroi: mm
|
Sort Code
|
Manufacturing Method
|
Minimum Wall
Thickness Smin
|
Tolerance
|
|
Common Level
|
High Level
|
|
W-H
|
Hot
Rolling(Extrusion)
|
≤4.0
|
+0.90
0
|
+0.70
0
|
|
＞4.0
|
+25%Smin
0
|
+22%Smin
0
|
|
W-C
|
Cold
Drawn(Rolling)
|
≤3.0
|
+0.6
0
|
+0.4
0
|
|
＞3.0
|
+20%Smin
0
|
+15%Smin
0
|
Table3 Catégorie d'acier et composition chimique
|
Steel grade
|
Chemical composition %
|
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
Ni
|
Nb
|
Ti
|
V
|
Cu
|
P
|
S
|
|
≤
|
|
10
|
0.07~
0.13
|
0.17~
0.37
|
0.35~
0.65
|
≤0.15
|
≤0.15
|
≤
0.25
|
-
|
-
|
≤0.08
|
≤0.20
|
0.025
|
0.015
|
|
20
|
0.17~
0.23
|
0.17~
0.37
|
0.35~
0.65
|
≤0.25
|
≤0.15
|
≤
0.25
|
-
|
-
|
≤0.08
|
≤0.20
|
0.025
|
0.015
|
|
12CrMo
|
0.08~
0.15
|
0.17~
0.37
|
0.40~
0.70
|
0.40~
0.70
|
0.40~
0.55
|
≤
0.30
|
-
|
-
|
-
|
≤0.20
|
0.025
|
0.015
|
|
15CrMo
|
0.12~
0.018
|
0.17~
0.37
|
0.40~
0.70
|
0.80~
1.10
|
0.40~
0.55
|
≤
0.30
|
-
|
-
|
-
|
≤0.20
|
0.025
|
0.015
|
|
12CrlMo
|
0.08~
0.15
|
0.50~
1.00
|
0.30~
0.60
|
1.00~
1.50
|
0.45~
0.65
|
≤
0.30
|
-
|
-
|
-
|
≤0.20
|
0.025
|
0.015
|
|
12CrlMoV
|
0.08~
0.15
|
0.17~
0.37
|
0.40~
0.70
|
0.90~
1.20
|
0.25~
0.35
|
≤
0.30
|
-
|
-
|
0.15~
0.30
|
≤0.20
|
0.025
|
0.015
|
|
12Cr2Mo
|
0.08~
0.15
|
≤0.50
|
0.40~
0.60
|
2.00~
2.50
|
0.90~
1.13
|
≤
0.30
|
-
|
-
|
-
|
≤0.20
|
0.025
|
0.015
|
|
12Cr5MoI
12Cr5MoNT
|
≤
0.15
|
≤0.50
|
0.30~
0.60
|
4.00~
6.00
|
0.45~
0.60
|
≤
0.60
|
-
|
-
|
-
|
≤0.20
|
0.025
|
0.015
|
|
12Cr9MoI
12Cr9MoNT
|
≤
0.15
|
0.25~
1.00
|
0.30~
0.60
|
8.00~
10.00
|
0.90~
1.10
|
≤
0.60
|
-
|
-
|
-
|
≤0.20
|
0.025
|
0.015
|
|
07Cr19Ni10
|
0.04~
0.10
|
≤
1.00
|
≤2.00
|
18.00~
20.00
|
-
|
8.00~
11.00
|
-
|
-
|
-
|
-
|
0.030
|
0.015
|
|
07Cr18Ni11Nb
|
0.04~
0.10
|
≤
1.00
|
≤2.00
|
17.00~
19.00
|
-
|
9.00~
12.00
|
8C~
1.10
|
-
|
-
|
-
|
0.030
|
0.015
|
|
07Cr19Ni11NTi
|
0.04~
0.10
|
≤0.75
|
≤2.00
|
17.00~
20.00
|
-
|
9.00~
13.00
|
-
|
4C~
0.60
|
-
|
-
|
0.030
|
0.015
|
|
022Cr17Ni12Mo2
|
≤
0.30
|
≤1.00
|
≤2.00
|
16.00~
18.00
|
2.00~
3.00
|
10.00~
14.00
|
-
|
-
|
-
|
-
|
0.030
|
0.015
|
Tableau4 Norme de traitement thermique
|
Steel
Grade
|
Heat
Treatment Standard
|
|
10a
|
Normalizing;At Temperature 880℃~940℃
|
|
20a
|
Normalizing:At Temperature 880℃~940℃
|
|
12CrMob
|
Normalizing:At Temperature 900℃~960℃
Tempering:At Temperature 670℃~730℃
|
|
15CrMob
|
Normalizing:At Temperature 900℃~960℃
Tempering:At Temperature 680℃~730℃
|
|
12Cr1Mob
|
Normalizing:At Temperature 900℃~960℃
Tempering:At Temperature 680℃~750℃
|
|
12Cr1MoVb
|
S≤30mm:Normalizing:At Temperature 980℃~1020℃
Tempering:At Temperature 720℃~760℃
S＞30mm:Quenching:At Temperature 950℃~990℃
Tempering:At Temperature 720℃~760℃
Or Normalizing:At Temperature 980℃~1020℃
(rapid cooling after Normalizing)
Tempering:At Temperature 720℃~760℃
|
|
12Cr2Mob
|
S≤30mm:Normalizing:At Temperature 900℃~960℃
Tempering:At Temperature 700℃~750℃
S＞30mm:Quenching:At Temperature ≥ 900℃
Tempering:At Temperature 700℃~750℃
Or Normalizing:At Temperature 900℃~960℃
(rapid cooling after Normalizing)
Tempering:At Temperature 700℃~750℃
|
|
12Cr5MoI
|
Full Annealing or isothermal
annealing
|
|
12Cr5MoNT
|
Normalizing:At Temperature 930℃~980℃
Tempering:At Temperature 730℃~770℃
|
|
12Cr9MoI
|
Full Annealing or isothermal
annealing
|
|
12Cr9MoNT
|
Normalizing:At Temperature 890℃~950℃
Tempering:At Temperature 720℃~800℃
|
|
07Cr19Ni10
|
Treatment with solid solving:At Temperature ≥ 1040℃
(rapid
cooling after Treatment)
|
|
07Cr18Ni11Nb
|
Treatment with solid solving:
For Hot Rolled Tube At Temperature ≥ 1050℃
For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃
(rapid
cooling after Treatment)
|
|
07Cr19Ni11Ti
|
Treatment with solid solving:
For Hot Rolled Tube At Temperature ≥ 1050℃
For Cold Drawn(rolled)Tube At Temperature ≥ 1100℃
(rapid
cooling after Treatment)
|
Table5 Propriété mécanique
|
Steel Grade
|
Tensile
Strength
Rm/MPa
|
Lower yield strength Rp0.2/MPa
|
Elongation A/%
|
Shock
absorption KV2/J
|
Brinell
hardness
|
|
Longitudinal
direction
|
Transverse
|
Longitudinal
direction
|
Transverse
|
|
≥
|
≤
|
|
10
|
335~475
|
205
|
25
|
23
|
40
|
27
|
-
|
|
20
|
410~550
|
245
|
24
|
22
|
40
|
27
|
-
|
|
12CrMo
|
410~560
|
205
|
21
|
19
|
40
|
27
|
156HBW
|
|
15CrMo
|
440~640
|
295
|
21
|
19
|
40
|
27
|
170HBW
|
|
12Cr1Mo
|
415~560
|
205
|
22
|
20
|
40
|
27
|
163HBW
|
|
12Cr2MoV
|
470~640
|
255
|
21
|
19
|
40
|
27
|
179HBW
|
|
12Cr2Mo
|
450~600
|
280
|
22
|
20
|
40
|
27
|
163HBW
|
|
12Cr5MoI
|
415~590
|
205
|
22
|
20
|
40
|
27
|
163HBW
|
|
12Cr5MoNT
|
480~640
|
280
|
20
|
18
|
40
|
27
|
-
|
|
12Cr9MoI
|
460~640
|
210
|
20
|
18
|
40
|
27
|
179HBW
|
|
12Cr9MoNT
|
590~740
|
390
|
18
|
16
|
40
|
27
|
-
|
|
07Cr19Ni10
|
≥520
|
205
|
35
|
-
|
-
|
187HBW
|
|
07Cr18Ni11Nb
|
≥520
|
205
|
35
|
-
|
-
|
187HBW
|
|
07Cr19Ni11Ti
|
≥520
|
205
|
35
|
-
|
-
|
187HBW
|
|
022Cr17Ni12Mo2
|
≥485
|
170
|
35
|
-
|
-
|
187HBW
|
|
If
the wall thickness of the tube is less than 5mm, doesn`t have to do the hardness
test
|
Tableau 6 Facteur d'atténuation d'absorption d'énergie de choc de petit échantillon
|
Specimen
|
Specimen size(heightXwidth)mm
|
Attenuation factor
|
|
Standard
sample
|
10X10
|
1.00
|
|
Small
sample
|
10X7.5
|
0.75
|
|
Small
sample
|
10X5
|
0.50
|
Table7 Diamètre d'évasement des tubes en acier
|
Steel
|
Diameter flaring rate of
steel tubes/%
|
|
ID/OD
|
|
≤0.6
|
＞0.6~0.8
|
＞0.8
|
|
Carbon
structural steel
|
10
|
12
|
17
|
|
Alloy
structural steel
|
8
|
10
|
15
|
|
Stainless(heat resistance)steel
|
12
|
15
|
20
|
Tableau8 Éléments d'essai et quantité d'échantillonnage des tubes d'acier
|
Number
|
Testing items
|
Sampling quantity
|
|
1
|
Chemical
composition
|
1
sample from each furnace
|
|
2
|
Tensile
test
|
1 sample
from each of two steel tubes on each batch
|
|
3
|
Hardness
test
|
3
samples taken on 2 steel tubes on each batch
|
|
4
|
Impact
test
|
All
|
|
5
|
Hydraulic
test
|
1 sample
from each of two steel tubes on each batch
|
|
6
|
Flattening
test
|
2
samples taken on 2 steel tubes on each batch
|
|
7
|
Bending
test
|
1
sample taken on 2 steel tubes on each furnace
|
|
8
|
Flaring
test
|
2
samples taken on 2 steel tubes on each batch
|
|
9
|
Macroscopic
examination
|
1
sample taken on 2 steel tubes on each furnace
|
|
10
|
Non-metallic
inclusions
|
1
sample taken on 2 steel tubes on each furnace
|
|
11
|
Eddy
current testing
|
All
|
|
12
|
Magnetic
flux leakage detection
|
All
|
|
13
|
Ultrasonic
testing
|
All
|
|
14
|
Intergranular
corrosion test
|
1 sample
from each of two steel tubes on each batch
|
Tableau A.1 Tableau comparatif de la nuance d'acier similaire
|
No.
|
GB
|
Similar Steel Grade
|
|
ISO
|
EN
|
ASTM/ASME
|
JIS
|
|
1
|
10
|
-
|
P195GH
|
A
|
STB
340
|
|
2
|
20
|
PH26
|
P235GH
|
A-1.B
|
STB
410
|
|
3
|
12CrMo
|
-
|
-
|
T2/P2
|
STBA
20
|
|
4
|
15CrMo
|
13CrMo4-5
|
13CrMo4-5
|
T12/P12
|
STBA
22
|
|
5
|
12Cr1Mo
|
-
|
10CrMo5-5
|
T11/P11
|
STBA
23
|
|
6
|
12Cr1MoV
|
-
|
-
|
-
|
-
|
|
7
|
12Cr2Mo
|
10CrMo9-10
|
10CrMo9-10
|
T22/P22
|
STBA
24
|
|
8
|
12Cr5Mo-I
|
X11CrMo9-1TA
|
X11CrMo5+I
|
T5/P5
|
STBA
25
|
|
9
|
12Cr5Mo-NT
|
-
|
X11CrMo5+NT
|
T5/P5
|
STBA
25
|
|
10
|
12Cr9Mo-I
|
X11CrMo9-1TA
|
X11CrMo9-1+I
|
T9/P9
|
STBA
26
|
|
11
|
12Cr9Mo-NT
|
-
|
X11CrMo9-1+NT
|
T9/P9
|
STBA
26
|
|
12
|
07Cr19Ni10
|
X7CrNi18-9
|
X6CrNi18-10
|
TP304H
|
SUS
304H TB
|
|
13
|
07Cr18Ni11Nb
|
X7CrNiNb18-10
|
X7CrNiNb18-10
|
TP347H
|
SUS
347H TB
|
|
14
|
07Cr19Ni11Ti
|
-
|
X6CrNiTi18-10
|
TP321H
|
SUS
321H TB
|
|
15
|
022Cr17Ni12Mo2
|
-
|
X2CrNiMo17-12-2
|
TP316L
|
SUS
316L TB
|
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