Nome do produto: GB 9948 Material10 # 20 # 12CrMo 15CrMo 12Cr1MoV Petróleo Tubos De Aço Sem Costura de Rachamento
Nós somos fabricante de tubos de aço sem costura na China, se você quiser comprar tubo de aço carbono sem costura, tubo de aço cilindro de óleo, tubo de aço sem costura de precisão, tubo de aço do cilindro hidráulico, entre em contato conosco.
Fora do diâmetro: 3 ~ 600mm
Espessura da parede: 0.5 ~ 50mm
Aplicação: É usado para os tubos de aço sem costura para forno, trocadores de calor de Petróleo Craqueamento etc.
Tabela 1 As Tolerâncias do Diâmetro Externo e da Unidade de Espessura da Parede : 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
|
Tabela 2 A Tolerância da Unidade Espessura Mínima da Parede: 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
|
Tabela 3 Classe de aço e composição química
|
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
|
Tabela 4 Padrão de Tratamento Térmico
|
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)
|
Tabela 5 Propriedade Mecânica
|
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
|
Tabela6 Fator de atenuação da absorção de energia de impacto da amostra pequena
|
Specimen
|
Specimen size(heightXwidth)mm
|
Attenuation factor
|
|
Standard
sample
|
10X10
|
1.00
|
|
Small
sample
|
10X7.5
|
0.75
|
|
Small
sample
|
10X5
|
0.50
|
Tabela7 Taxa de queima de diâmetro dos tubos de aço
|
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
|
Tabela8 Itens de teste e quantidade de amostragem de tubos de aço
|
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
|
Tabela A.1 Tabela Comparativa de Grau de Aço Similar
|
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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